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Fix tests from rebase

This commit is contained in:
Matthew Jasper 2020-09-07 10:01:45 +01:00
parent 1db284ecb0
commit 022c148fcd
100 changed files with 584 additions and 480 deletions
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4
compiler/rustc_middle/src/ty/sty.rs
View File

@ -1513,7 +1513,9 @@ impl<'tcx> ExistentialProjection<'tcx> {
/// then this function would return a `exists T. T: Iterator` existential trait
/// reference.
pub fn trait_ref(&self, tcx: TyCtxt<'_>) -> ty::ExistentialTraitRef<'tcx> {
// FIXME(generic_associated_types): truncate substs to have the right length.
// FIXME(generic_associated_types): substs is the substs of the
// associated type, which should be truncated to get the correct substs
// for the trait.
let def_id = tcx.associated_item(self.item_def_id).container.id();
ty::ExistentialTraitRef { def_id, substs: self.substs }
}

17
compiler/rustc_trait_selection/src/traits/select/confirmation.rs
View File

@ -125,29 +125,34 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
self.infcx.commit_unconditionally(|_| {
let tcx = self.tcx();
let bound_self_ty = self.infcx.shallow_resolve(obligation.self_ty());
let (def_id, substs) = match *bound_self_ty.skip_binder().kind() {
let trait_predicate = self.infcx.shallow_resolve(obligation.predicate);
let placeholder_trait_predicate =
self.infcx().replace_bound_vars_with_placeholders(&trait_predicate);
let placeholder_self_ty = placeholder_trait_predicate.self_ty();
let (def_id, substs) = match *placeholder_self_ty.kind() {
ty::Projection(proj) => (proj.item_def_id, proj.substs),
ty::Opaque(def_id, substs) => (def_id, substs),
_ => bug!("projection candidate for unexpected type: {:?}", bound_self_ty),
_ => bug!("projection candidate for unexpected type: {:?}", placeholder_self_ty),
};
let candidate_predicate = tcx.item_bounds(def_id)[idx].subst(tcx, substs);
let candidate = candidate_predicate
.to_opt_poly_trait_ref()
.expect("projection candidate is not a trait predicate");
let Normalized { value: candidate, mut obligations } = normalize_with_depth(
let mut obligations = Vec::new();
let candidate = normalize_with_depth_to(
self,
obligation.param_env,
obligation.cause.clone(),
obligation.recursion_depth + 1,
&candidate,
&mut obligations,
);
obligations.extend(
self.infcx
.at(&obligation.cause, obligation.param_env)
.sup(obligation.predicate.to_poly_trait_ref(), candidate)
.sup(placeholder_trait_predicate.trait_ref.to_poly_trait_ref(), candidate)
.map(|InferOk { obligations, .. }| obligations)
.unwrap_or_else(|_| {
bug!(
@ -158,7 +163,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
}),
);
if let ty::Projection(..) = bound_self_ty.skip_binder().kind() {
if let ty::Projection(..) = placeholder_self_ty.kind() {
for predicate in tcx.predicates_of(def_id).instantiate_own(tcx, substs).predicates {
let normalized = normalize_with_depth_to(
self,

18
compiler/rustc_trait_selection/src/traits/select/mod.rs
View File

@ -1204,22 +1204,18 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
if let ty::PredicateAtom::Trait(pred, _) = bound.skip_binders() {
let bound = ty::Binder::bind(pred.trait_ref);
if self.infcx.probe(|_| {
if let Ok(normalized_trait) = self.match_projection(
match self.match_projection(
obligation,
bound,
placeholder_trait_predicate.trait_ref,
) {
match normalized_trait {
None => true,
Some(normalized_trait)
if distinct_normalized_bounds.insert(normalized_trait) =>
{
true
}
_ => false,
Ok(None) => true,
Ok(Some(normalized_trait))
if distinct_normalized_bounds.insert(normalized_trait) =>
{
true
}
} else {
false
_ => false,
}
}) {
return Some(idx);

5
compiler/rustc_traits/src/chalk/lowering.rs
View File

@ -767,7 +767,10 @@ impl<'tcx> LowerInto<'tcx, Option<chalk_solve::rust_ir::QuantifiedInlineBound<Ru
| ty::PredicateAtom::ClosureKind(..)
| ty::PredicateAtom::Subtype(..)
| ty::PredicateAtom::ConstEvaluatable(..)
| ty::PredicateAtom::ConstEquate(..) => bug!("unexpected predicate {}", &self),
| ty::PredicateAtom::ConstEquate(..)
| ty::PredicateAtom::TypeWellFormedFromEnv(..) => {
bug!("unexpected predicate {}", &self)
}
}
}
}

10
compiler/rustc_typeck/src/check/check.rs
View File

@ -4,13 +4,13 @@ use super::compare_method::{compare_const_impl, compare_impl_method, compare_ty_
use super::*;
use rustc_attr as attr;
use rustc_errors::Applicability;
use rustc_errors::{Applicability, ErrorReported};
use rustc_hir as hir;
use rustc_hir::def_id::{DefId, LocalDefId, LOCAL_CRATE};
use rustc_hir::lang_items::LangItem;
use rustc_hir::{ItemKind, Node};
use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind};
use rustc_infer::infer::RegionVariableOrigin;
use rustc_infer::infer::{RegionVariableOrigin, TyCtxtInferExt};
use rustc_middle::ty::fold::TypeFoldable;
use rustc_middle::ty::subst::GenericArgKind;
use rustc_middle::ty::util::{Discr, IntTypeExt, Representability};
@ -19,6 +19,8 @@ use rustc_session::config::EntryFnType;
use rustc_span::symbol::sym;
use rustc_span::{self, MultiSpan, Span};
use rustc_target::spec::abi::Abi;
use rustc_trait_selection::opaque_types::InferCtxtExt as _;
use rustc_trait_selection::traits::error_reporting::InferCtxtExt as _;
use rustc_trait_selection::traits::{self, ObligationCauseCode};
pub fn check_wf_new(tcx: TyCtxt<'_>) {
@ -386,7 +388,9 @@ pub(super) fn check_opaque<'tcx>(
origin: &hir::OpaqueTyOrigin,
) {
check_opaque_for_inheriting_lifetimes(tcx, def_id, span);
tcx.ensure().type_of(def_id);
if tcx.type_of(def_id).references_error() {
return;
}
if check_opaque_for_cycles(tcx, def_id, substs, span, origin).is_err() {
return;
}

1
compiler/rustc_typeck/src/collect.rs
View File

@ -704,6 +704,7 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::HirId) {
hir::ItemKind::OpaqueTy(..) => {
tcx.ensure().generics_of(def_id);
tcx.ensure().predicates_of(def_id);
tcx.ensure().explicit_item_bounds(def_id);
}
hir::ItemKind::TyAlias(..)
| hir::ItemKind::Static(..)

2
src/test/mir-opt/issue_62289.test.ElaborateDrops.before.mir
View File

@ -69,7 +69,7 @@ fn test() -> Option<Box<u32>> {
bb5: {
StorageDead(_9); // scope 2 at $DIR/issue-62289.rs:9:19: 9:20
_0 = <Option<Box<u32>> as Try>::from_error(move _8) -> [return: bb6, unwind: bb12]; // scope 2 at $DIR/issue-62289.rs:9:19: 9:20
_0 = <Option<Box<u32>> as Try>::from_error(move _8) -> [return: bb6, unwind: bb12]; // scope 2 at $DIR/issue-62289.rs:9:15: 9:20
// mir::Constant
// + span: $DIR/issue-62289.rs:9:15: 9:20
// + literal: Const { ty: fn(<std::option::Option<std::boxed::Box<u32>> as std::ops::Try>::Error) -> std::option::Option<std::boxed::Box<u32>> {<std::option::Option<std::boxed::Box<u32>> as std::ops::Try>::from_error}, val: Value(Scalar(<ZST>)) }

16
src/test/mir-opt/simplify_arm.id_try.SimplifyArmIdentity.diff
View File

@ -1,6 +1,6 @@
- // MIR for `id_try` before SimplifyArmIdentity
+ // MIR for `id_try` after SimplifyArmIdentity
fn id_try(_1: std::result::Result<u8, i32>) -> std::result::Result<u8, i32> {
debug r => _1; // in scope 0 at $DIR/simplify-arm.rs:23:11: 23:12
let mut _0: std::result::Result<u8, i32>; // return place in scope 0 at $DIR/simplify-arm.rs:23:34: 23:49
@ -29,7 +29,7 @@
scope 8 {
- debug v => _8; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+ debug v => ((_0 as Err).0: i32); // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _12: i32; // in scope 8 at $DIR/simplify-arm.rs:24:14: 24:15
let mut _12: i32; // in scope 8 at $DIR/simplify-arm.rs:24:13: 24:15
}
}
}
@ -42,7 +42,7 @@
scope 6 {
debug self => _4; // in scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/simplify-arm.rs:24:9: 24:10
StorageLive(_3); // scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
@ -53,7 +53,7 @@
_5 = discriminant(_3); // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
switchInt(move _5) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
}
bb1: {
- StorageLive(_10); // scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
- _10 = ((_3 as Ok).0: u8); // scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
@ -69,11 +69,11 @@
StorageDead(_2); // scope 0 at $DIR/simplify-arm.rs:26:1: 26:2
goto -> bb4; // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
}
bb2: {
unreachable; // scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
}
bb3: {
- StorageLive(_6); // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
- _6 = ((_3 as Err).0: i32); // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
@ -94,9 +94,9 @@
StorageDead(_2); // scope 0 at $DIR/simplify-arm.rs:26:1: 26:2
goto -> bb4; // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
}
bb4: {
return; // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
}
}

16
src/test/mir-opt/simplify_arm.id_try.SimplifyBranchSame.diff
View File

@ -1,6 +1,6 @@
- // MIR for `id_try` before SimplifyBranchSame
+ // MIR for `id_try` after SimplifyBranchSame
fn id_try(_1: std::result::Result<u8, i32>) -> std::result::Result<u8, i32> {
debug r => _1; // in scope 0 at $DIR/simplify-arm.rs:23:11: 23:12
let mut _0: std::result::Result<u8, i32>; // return place in scope 0 at $DIR/simplify-arm.rs:23:34: 23:49
@ -25,7 +25,7 @@
}
scope 8 {
debug v => ((_0 as Err).0: i32); // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _12: i32; // in scope 8 at $DIR/simplify-arm.rs:24:14: 24:15
let mut _12: i32; // in scope 8 at $DIR/simplify-arm.rs:24:13: 24:15
}
}
}
@ -37,7 +37,7 @@
scope 6 {
debug self => _4; // in scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/simplify-arm.rs:24:9: 24:10
StorageLive(_3); // scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
@ -49,7 +49,7 @@
- switchInt(move _5) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
+ goto -> bb1; // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
}
bb1: {
_0 = move _3; // scope 1 at $DIR/simplify-arm.rs:25:5: 25:10
StorageDead(_3); // scope 0 at $DIR/simplify-arm.rs:24:15: 24:16
@ -57,20 +57,20 @@
- goto -> bb4; // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
+ goto -> bb2; // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
}
bb2: {
- unreachable; // scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
- }
-
-
- bb3: {
- _0 = move _3; // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
- StorageDead(_3); // scope 0 at $DIR/simplify-arm.rs:24:15: 24:16
- StorageDead(_2); // scope 0 at $DIR/simplify-arm.rs:26:1: 26:2
- goto -> bb4; // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
- }
-
-
- bb4: {
return; // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
}
}

9
src/test/ui/associated-type-bounds/assoc-type-eq-with-dyn-atb-fail.rs
View File

@ -12,7 +12,9 @@
fn main() {}
trait Bar { type Assoc; }
trait Bar {
type Assoc;
}
trait Thing {
type Out;
@ -20,11 +22,14 @@ trait Thing {
}
struct AssocNoCopy;
impl Bar for AssocNoCopy { type Assoc = String; }
impl Bar for AssocNoCopy {
type Assoc = String;
}
impl Thing for AssocNoCopy {
type Out = Box<dyn Bar<Assoc: Copy>>;
//~^ ERROR the trait bound `String: Copy` is not satisfied
//~| ERROR the trait bound `String: Copy` is not satisfied
fn func() -> Self::Out {
Box::new(AssocNoCopy)

12
src/test/ui/associated-type-bounds/assoc-type-eq-with-dyn-atb-fail.stderr
View File

@ -1,11 +1,15 @@
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/assoc-type-eq-with-dyn-atb-fail.rs:26:28
--> $DIR/assoc-type-eq-with-dyn-atb-fail.rs:30:28
|
LL | type Out = Box<dyn Bar<Assoc: Copy>>;
| ^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
|
= note: the return type of a function must have a statically known size
error: aborting due to previous error
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/assoc-type-eq-with-dyn-atb-fail.rs:30:28
|
LL | type Out = Box<dyn Bar<Assoc: Copy>>;
| ^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.

6
src/test/ui/associated-type-bounds/bad-bounds-on-assoc-in-trait.rs
View File

@ -24,9 +24,9 @@ impl<'a, 'b> Lam<&'a &'b u8> for L2 {
trait Case1 {
type C: Clone + Iterator<Item: Send + Iterator<Item: for<'a> Lam<&'a u8, App: Debug>> + Sync>;
//~^ ERROR `<<Self as Case1>::C as std::iter::Iterator>::Item` is not an iterator
//~| ERROR `<<Self as Case1>::C as std::iter::Iterator>::Item` cannot be sent between threads safely
//~| ERROR `<<Self as Case1>::C as std::iter::Iterator>::Item` cannot be shared between threads safely
//~^ ERROR `<<Self as Case1>::C as Iterator>::Item` is not an iterator
//~| ERROR `<<Self as Case1>::C as Iterator>::Item` cannot be sent between threads safely
//~| ERROR `<<Self as Case1>::C as Iterator>::Item` cannot be shared between threads safely
}
pub struct S1;

59
src/test/ui/associated-type-bounds/bad-bounds-on-assoc-in-trait.stderr
View File

@ -1,53 +1,48 @@
error[E0277]: `<<Self as Case1>::C as std::iter::Iterator>::Item` is not an iterator
--> $DIR/bad-bounds-on-assoc-in-trait.rs:28:5
error[E0277]: `<<Self as Case1>::C as Iterator>::Item` is not an iterator
--> $DIR/bad-bounds-on-assoc-in-trait.rs:26:5
|
LL | / type C: Clone + Iterator<Item:
LL | | Send + Iterator<Item:
LL | | for<'a> Lam<&'a u8, App:
LL | | Debug
LL | | >
LL | | > + Sync>;
| |__________________^ `<<Self as Case1>::C as std::iter::Iterator>::Item` is not an iterator
LL | type C: Clone + Iterator<Item: Send + Iterator<Item: for<'a> Lam<&'a u8, App: Debug>> + Sync>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `<<Self as Case1>::C as Iterator>::Item` is not an iterator
|
= help: the trait `std::iter::Iterator` is not implemented for `<<Self as Case1>::C as std::iter::Iterator>::Item`
= help: the trait `Iterator` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
help: consider further restricting the associated type
|
LL | trait Case1 where <<Self as Case1>::C as std::iter::Iterator>::Item: std::iter::Iterator {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | trait Case1 where <<Self as Case1>::C as Iterator>::Item: Iterator {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: `<<Self as Case1>::C as std::iter::Iterator>::Item` cannot be sent between threads safely
--> $DIR/bad-bounds-on-assoc-in-trait.rs:23:9
error[E0277]: `<<Self as Case1>::C as Iterator>::Item` cannot be sent between threads safely
--> $DIR/bad-bounds-on-assoc-in-trait.rs:26:36
|
LL | Send + Iterator<Item:
| ^^^^ `<<Self as Case1>::C as std::iter::Iterator>::Item` cannot be sent between threads safely
|
::: $SRC_DIR/libcore/marker.rs:LL:COL
LL | type C: Clone + Iterator<Item: Send + Iterator<Item: for<'a> Lam<&'a u8, App: Debug>> + Sync>;
| ^^^^ `<<Self as Case1>::C as Iterator>::Item` cannot be sent between threads safely
|
::: $SRC_DIR/core/src/marker.rs:LL:COL
|
LL | pub unsafe auto trait Send {
| -------------------------- required by this bound in `std::marker::Send`
| -------------------------- required by this bound in `Send`
|
= help: the trait `std::marker::Send` is not implemented for `<<Self as Case1>::C as std::iter::Iterator>::Item`
= help: the trait `Send` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
help: consider further restricting the associated type
|
LL | trait Case1 where <<Self as Case1>::C as std::iter::Iterator>::Item: std::marker::Send {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | trait Case1 where <<Self as Case1>::C as Iterator>::Item: Send {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: `<<Self as Case1>::C as std::iter::Iterator>::Item` cannot be shared between threads safely
--> $DIR/bad-bounds-on-assoc-in-trait.rs:27:13
error[E0277]: `<<Self as Case1>::C as Iterator>::Item` cannot be shared between threads safely
--> $DIR/bad-bounds-on-assoc-in-trait.rs:26:93
|
LL | > + Sync>;
| ^^^^ `<<Self as Case1>::C as std::iter::Iterator>::Item` cannot be shared between threads safely
|
::: $SRC_DIR/libcore/marker.rs:LL:COL
LL | type C: Clone + Iterator<Item: Send + Iterator<Item: for<'a> Lam<&'a u8, App: Debug>> + Sync>;
| ^^^^ `<<Self as Case1>::C as Iterator>::Item` cannot be shared between threads safely
|
::: $SRC_DIR/core/src/marker.rs:LL:COL
|
LL | pub unsafe auto trait Sync {
| -------------------------- required by this bound in `std::marker::Sync`
| -------------------------- required by this bound in `Sync`
|
= help: the trait `std::marker::Sync` is not implemented for `<<Self as Case1>::C as std::iter::Iterator>::Item`
= help: the trait `Sync` is not implemented for `<<Self as Case1>::C as Iterator>::Item`
help: consider further restricting the associated type
|
LL | trait Case1 where <<Self as Case1>::C as std::iter::Iterator>::Item: std::marker::Sync {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | trait Case1 where <<Self as Case1>::C as Iterator>::Item: Sync {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 3 previous errors

6
src/test/ui/associated-type-bounds/bounds-on-assoc-in-trait.rs
View File

@ -1,5 +1,3 @@
// ignore-tidy-linelength
#![feature(associated_type_bounds)]
use std::fmt::Debug;
@ -18,7 +16,7 @@ impl<'a, 'b> Lam<&'a &'b u8> for L2 { type App = u8; }
trait Case1 {
type A: Iterator<Item: Debug>;
//~^ ERROR `<<Self as Case1>::A as std::iter::Iterator>::Item` doesn't implement `std::fmt::Debug`
//~^ ERROR `<<Self as Case1>::A as Iterator>::Item` doesn't implement `Debug`
type B: Iterator<Item: 'static>;
}
@ -35,7 +33,7 @@ impl Case1 for S1 {
// bounds of `Out`, but trait selection can't find the bound since it applies
// to a type other than `Self::Out`.
pub trait Foo { type Out: Baz<Assoc: Default>; }
//~^ ERROR trait bound `<<Self as Foo>::Out as Baz>::Assoc: std::default::Default` is not satisfied
//~^ ERROR trait bound `<<Self as Foo>::Out as Baz>::Assoc: Default` is not satisfied
pub trait Baz { type Assoc; }
#[derive(Default)]

26
src/test/ui/associated-type-bounds/bounds-on-assoc-in-trait.stderr
View File

@ -1,35 +1,35 @@
error[E0277]: `<<Self as Case1>::A as std::iter::Iterator>::Item` doesn't implement `std::fmt::Debug`
--> $DIR/bounds-on-assoc-in-trait.rs:20:28
error[E0277]: `<<Self as Case1>::A as Iterator>::Item` doesn't implement `Debug`
--> $DIR/bounds-on-assoc-in-trait.rs:18:28
|
LL | type A: Iterator<Item: Debug>;
| ^^^^^ `<<Self as Case1>::A as std::iter::Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
| ^^^^^ `<<Self as Case1>::A as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
::: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
|
LL | pub trait Debug {
| --------------- required by this bound in `std::fmt::Debug`
| --------------- required by this bound in `Debug`
|
= help: the trait `std::fmt::Debug` is not implemented for `<<Self as Case1>::A as std::iter::Iterator>::Item`
= help: the trait `Debug` is not implemented for `<<Self as Case1>::A as Iterator>::Item`
help: consider further restricting the associated type
|
LL | trait Case1 where <<Self as Case1>::A as std::iter::Iterator>::Item: std::fmt::Debug {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | trait Case1 where <<Self as Case1>::A as Iterator>::Item: Debug {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `<<Self as Foo>::Out as Baz>::Assoc: std::default::Default` is not satisfied
--> $DIR/bounds-on-assoc-in-trait.rs:37:38
error[E0277]: the trait bound `<<Self as Foo>::Out as Baz>::Assoc: Default` is not satisfied
--> $DIR/bounds-on-assoc-in-trait.rs:35:38
|
LL | pub trait Foo { type Out: Baz<Assoc: Default>; }
| ^^^^^^^ the trait `std::default::Default` is not implemented for `<<Self as Foo>::Out as Baz>::Assoc`
| ^^^^^^^ the trait `Default` is not implemented for `<<Self as Foo>::Out as Baz>::Assoc`
|
::: $SRC_DIR/core/src/default.rs:LL:COL
|
LL | pub trait Default: Sized {
| ------------------------ required by this bound in `std::default::Default`
| ------------------------ required by this bound in `Default`
|
help: consider further restricting the associated type
|
LL | pub trait Foo where <<Self as Foo>::Out as Baz>::Assoc: std::default::Default { type Out: Baz<Assoc: Default>; }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | pub trait Foo where <<Self as Foo>::Out as Baz>::Assoc: Default { type Out: Baz<Assoc: Default>; }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors

26
src/test/ui/associated-type-bounds/duplicate.stderr
View File

@ -512,7 +512,7 @@ LL | trait TRSW3 where Self: Iterator<Item: 'static, Item: 'static> {}
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:167:40
--> $DIR/duplicate.rs:152:40
|
LL | type TADyn1 = dyn Iterator<Item: Copy, Item: Send>;
| ---------- ^^^^^^^^^^ re-bound here
@ -535,6 +535,30 @@ LL | type TADyn3 = dyn Iterator<Item: 'static, Item: 'static>;
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:145:43
|
LL | trait TRA1 { type A: Iterator<Item: Copy, Item: Send>; }
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:147:43
|
LL | trait TRA2 { type A: Iterator<Item: Copy, Item: Copy>; }
| ---------- ^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error[E0719]: the value of the associated type `Item` (from trait `Iterator`) is already specified
--> $DIR/duplicate.rs:149:46
|
LL | trait TRA3 { type A: Iterator<Item: 'static, Item: 'static>; }
| ------------- ^^^^^^^^^^^^^ re-bound here
| |
| `Item` bound here first
error: aborting due to 69 previous errors; 1 warning emitted
For more information about this error, try `rustc --explain E0719`.

4
src/test/ui/associated-types/defaults-suitability.rs
View File

@ -20,7 +20,7 @@ where
Self::Ty: Clone,
{
type Ty = NotClone;
//~^ ERROR the trait bound `NotClone: std::clone::Clone` is not satisfied
//~^ ERROR the trait bound `NotClone: Clone` is not satisfied
}
// Involved type parameters must fulfill all bounds required by defaults that mention them
@ -85,7 +85,7 @@ where
{
type Bar = Vec<Self::Baz>;
type Baz = T;
//~^ ERROR the trait bound `T: std::clone::Clone` is not satisfied
//~^ ERROR the trait bound `T: Clone` is not satisfied
}
// This one finally works, with `Clone` bounds on all assoc. types and the type

43
src/test/ui/associated-types/defaults-suitability.stderr
View File

@ -1,31 +1,32 @@
error[E0277]: the trait bound `NotClone: std::clone::Clone` is not satisfied
error[E0277]: the trait bound `NotClone: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:13:5
|
LL | type Ty: Clone = NotClone;
| ^^^^^^^^^-----^^^^^^^^^^^^
| | |
| | required by this bound in `Tr::Ty`
| the trait `std::clone::Clone` is not implemented for `NotClone`
| the trait `Clone` is not implemented for `NotClone`
error[E0277]: the trait bound `NotClone: std::clone::Clone` is not satisfied
--> $DIR/defaults-suitability.rs:19:5
error[E0277]: the trait bound `NotClone: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:22:5
|
LL | trait Tr2 where Self::Ty: Clone {
| ----- required by this bound in `Tr2::Ty`
LL | Self::Ty: Clone,
| ----- required by this bound in `Tr2::Ty`
LL | {
LL | type Ty = NotClone;
| ^^^^^--^^^^^^^^^^^^
| | |
| | required by a bound in this
| the trait `std::clone::Clone` is not implemented for `NotClone`
| the trait `Clone` is not implemented for `NotClone`
error[E0277]: the trait bound `T: std::clone::Clone` is not satisfied
--> $DIR/defaults-suitability.rs:25:5
error[E0277]: the trait bound `T: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:28:5
|
LL | type Bar: Clone = Vec<T>;
| ^^^^^^^^^^-----^^^^^^^^^^
| | |
| | required by this bound in `Foo::Bar`
| the trait `std::clone::Clone` is not implemented for `T`
| the trait `Clone` is not implemented for `T`
|
= note: required because of the requirements on the impl of `Clone` for `Vec<T>`
help: consider restricting type parameter `T`
@ -34,7 +35,7 @@ LL | trait Foo<T: Clone> {
| ^^^^^^^
error[E0277]: the trait bound `(): Foo<Self>` is not satisfied
--> $DIR/defaults-suitability.rs:31:5
--> $DIR/defaults-suitability.rs:34:5
|
LL | type Assoc: Foo<Self> = ();
| ^^^^^^^^^^^^---------^^^^^^
@ -43,7 +44,7 @@ LL | type Assoc: Foo<Self> = ();
| the trait `Foo<Self>` is not implemented for `()`
error[E0277]: the trait bound `NotClone: IsU8<NotClone>` is not satisfied
--> $DIR/defaults-suitability.rs:53:5
--> $DIR/defaults-suitability.rs:56:5
|
LL | Self::Assoc: IsU8<Self::Assoc>,
| ----------------- required by this bound in `D::Assoc`
@ -54,14 +55,14 @@ LL | type Assoc = NotClone;
| | required by a bound in this
| the trait `IsU8<NotClone>` is not implemented for `NotClone`
error[E0277]: the trait bound `<Self as Foo2<T>>::Baz: std::clone::Clone` is not satisfied
--> $DIR/defaults-suitability.rs:62:5
error[E0277]: the trait bound `<Self as Foo2<T>>::Baz: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:65:5
|
LL | type Bar: Clone = Vec<Self::Baz>;
| ^^^^^^^^^^-----^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `Foo2::Bar`
| the trait `std::clone::Clone` is not implemented for `<Self as Foo2<T>>::Baz`
| the trait `Clone` is not implemented for `<Self as Foo2<T>>::Baz`
|
= note: required because of the requirements on the impl of `Clone` for `Vec<<Self as Foo2<T>>::Baz>`
help: consider further restricting the associated type
@ -69,14 +70,14 @@ help: consider further restricting the associated type
LL | trait Foo2<T> where <Self as Foo2<T>>::Baz: Clone {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `<Self as Foo25<T>>::Baz: std::clone::Clone` is not satisfied
--> $DIR/defaults-suitability.rs:71:5
error[E0277]: the trait bound `<Self as Foo25<T>>::Baz: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:74:5
|
LL | type Bar: Clone = Vec<Self::Baz>;
| ^^^^^^^^^^-----^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `Foo25::Bar`
| the trait `std::clone::Clone` is not implemented for `<Self as Foo25<T>>::Baz`
| the trait `Clone` is not implemented for `<Self as Foo25<T>>::Baz`
|
= note: required because of the requirements on the impl of `Clone` for `Vec<<Self as Foo25<T>>::Baz>`
help: consider further restricting the associated type
@ -84,8 +85,8 @@ help: consider further restricting the associated type
LL | trait Foo25<T: Clone> where <Self as Foo25<T>>::Baz: Clone {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `T: std::clone::Clone` is not satisfied
--> $DIR/defaults-suitability.rs:83:5
error[E0277]: the trait bound `T: Clone` is not satisfied
--> $DIR/defaults-suitability.rs:87:5
|
LL | Self::Baz: Clone,
| ----- required by this bound in `Foo3::Baz`
@ -94,7 +95,7 @@ LL | type Baz = T;
| ^^^^^---^^^^^
| | |
| | required by a bound in this
| the trait `std::clone::Clone` is not implemented for `T`
| the trait `Clone` is not implemented for `T`
|
help: consider further restricting type parameter `T`
|

4
src/test/ui/associated-types/defaults-unsound-62211-1.rs
View File

@ -18,6 +18,10 @@ trait UncheckedCopy: Sized {
// This Output is said to be Copy. Yet we default to Self
// and it's accepted, not knowing if Self ineed is Copy
type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
//~^ ERROR the trait bound `Self: Copy` is not satisfied
//~| ERROR the trait bound `Self: Deref` is not satisfied
//~| ERROR cannot add-assign `&'static str` to `Self`
//~| ERROR `Self` doesn't implement `std::fmt::Display`
// We said the Output type was Copy, so we can Copy it freely!
fn unchecked_copy(other: &Self::Output) -> Self::Output {

91
src/test/ui/associated-types/defaults-unsound-62211-1.stderr
View File

@ -1,19 +1,11 @@
error[E0277]: `Self` doesn't implement `std::fmt::Display`
--> $DIR/defaults-unsound-62211-1.rs:21:5
--> $DIR/defaults-unsound-62211-1.rs:20:5
|
LL | type Output: Copy
| ^ ------ required by a bound in this
| _____|
| |
LL | |
LL | |
LL | |
... |
LL | | + From<Self>
LL | | + Display = Self;
| |___________-------_______^ `Self` cannot be formatted with the default formatter
| |
| required by this bound in `UncheckedCopy::Output`
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-------^^^^^^^^
| | |
| | required by this bound in `UncheckedCopy::Output`
| `Self` cannot be formatted with the default formatter
|
= note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
help: consider further restricting `Self`
@ -21,23 +13,14 @@ help: consider further restricting `Self`
LL | trait UncheckedCopy: Sized + std::fmt::Display {
| ^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `Self: std::ops::Deref` is not satisfied
--> $DIR/defaults-unsound-62211-1.rs:21:5
error[E0277]: the trait bound `Self: Deref` is not satisfied
--> $DIR/defaults-unsound-62211-1.rs:20:5
|
LL | type Output: Copy
| ^ ------ required by a bound in this
| _____|
| |
LL | |
LL | |
LL | |
LL | |
LL | | + Deref<Target = str>
| | ------------------- required by this bound in `UncheckedCopy::Output`
LL | | + AddAssign<&'static str>
LL | | + From<Self>
LL | | + Display = Self;
| |_________________________^ the trait `std::ops::Deref` is not implemented for `Self`
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
| ^^^^^^^^^^^^^^^^^^^^-------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `UncheckedCopy::Output`
| the trait `Deref` is not implemented for `Self`
|
help: consider further restricting `Self`
|
@ -45,46 +28,32 @@ LL | trait UncheckedCopy: Sized + Deref {
| ^^^^^^^
error[E0277]: cannot add-assign `&'static str` to `Self`
--> $DIR/defaults-unsound-62211-1.rs:21:5
--> $DIR/defaults-unsound-62211-1.rs:20:5
|
LL | type Output: Copy
| ^ ------ required by a bound in this
| _____|
| |
LL | |
LL | |
LL | |
... |
LL | | + AddAssign<&'static str>
| | ----------------------- required by this bound in `UncheckedCopy::Output`
LL | | + From<Self>
LL | | + Display = Self;
| |_________________________^ no implementation for `Self += &'static str`
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `UncheckedCopy::Output`
| no implementation for `Self += &'static str`
|
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + std::ops::AddAssign<&'static str> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | trait UncheckedCopy: Sized + AddAssign<&'static str> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `Self: std::marker::Copy` is not satisfied
--> $DIR/defaults-unsound-62211-1.rs:21:5
error[E0277]: the trait bound `Self: Copy` is not satisfied
--> $DIR/defaults-unsound-62211-1.rs:20:5
|
LL | type Output: Copy
| ^ ---- required by this bound in `UncheckedCopy::Output`
| _____|
| |
LL | |
LL | |
LL | |
... |
LL | | + From<Self>
LL | | + Display = Self;
| |_________________________^ the trait `std::marker::Copy` is not implemented for `Self`
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
| ^^^^^^^^^^^^^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `UncheckedCopy::Output`
| the trait `Copy` is not implemented for `Self`
|
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + std::marker::Copy {
| ^^^^^^^^^^^^^^^^^^^
LL | trait UncheckedCopy: Sized + Copy {
| ^^^^^^
error: aborting due to 4 previous errors

4
src/test/ui/associated-types/defaults-unsound-62211-2.rs
View File

@ -18,6 +18,10 @@ trait UncheckedCopy: Sized {
// This Output is said to be Copy. Yet we default to Self
// and it's accepted, not knowing if Self ineed is Copy
type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
//~^ ERROR the trait bound `Self: Copy` is not satisfied
//~| ERROR the trait bound `Self: Deref` is not satisfied
//~| ERROR cannot add-assign `&'static str` to `Self`
//~| ERROR `Self` doesn't implement `std::fmt::Display`
// We said the Output type was Copy, so we can Copy it freely!
fn unchecked_copy(other: &Self::Output) -> Self::Output {

91
src/test/ui/associated-types/defaults-unsound-62211-2.stderr
View File

@ -1,19 +1,11 @@
error[E0277]: `Self` doesn't implement `std::fmt::Display`
--> $DIR/defaults-unsound-62211-2.rs:21:5
--> $DIR/defaults-unsound-62211-2.rs:20:5
|
LL | type Output: Copy
| ^ ------ required by a bound in this
| _____|
| |
LL | |
LL | |
LL | |
... |
LL | | + From<Self>
LL | | + Display = Self;
| |___________-------_______^ `Self` cannot be formatted with the default formatter
| |
| required by this bound in `UncheckedCopy::Output`
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-------^^^^^^^^
| | |
| | required by this bound in `UncheckedCopy::Output`
| `Self` cannot be formatted with the default formatter
|
= note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
help: consider further restricting `Self`
@ -21,23 +13,14 @@ help: consider further restricting `Self`
LL | trait UncheckedCopy: Sized + std::fmt::Display {
| ^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `Self: std::ops::Deref` is not satisfied
--> $DIR/defaults-unsound-62211-2.rs:21:5
error[E0277]: the trait bound `Self: Deref` is not satisfied
--> $DIR/defaults-unsound-62211-2.rs:20:5
|
LL | type Output: Copy
| ^ ------ required by a bound in this
| _____|
| |
LL | |
LL | |
LL | |
LL | |
LL | | + Deref<Target = str>
| | ------------------- required by this bound in `UncheckedCopy::Output`
LL | | + AddAssign<&'static str>
LL | | + From<Self>
LL | | + Display = Self;
| |_________________________^ the trait `std::ops::Deref` is not implemented for `Self`
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
| ^^^^^^^^^^^^^^^^^^^^-------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `UncheckedCopy::Output`
| the trait `Deref` is not implemented for `Self`
|
help: consider further restricting `Self`
|
@ -45,46 +28,32 @@ LL | trait UncheckedCopy: Sized + Deref {
| ^^^^^^^
error[E0277]: cannot add-assign `&'static str` to `Self`
--> $DIR/defaults-unsound-62211-2.rs:21:5
--> $DIR/defaults-unsound-62211-2.rs:20:5
|
LL | type Output: Copy
| ^ ------ required by a bound in this
| _____|
| |
LL | |
LL | |
LL | |
... |
LL | | + AddAssign<&'static str>
| | ----------------------- required by this bound in `UncheckedCopy::Output`
LL | | + From<Self>
LL | | + Display = Self;
| |_________________________^ no implementation for `Self += &'static str`
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `UncheckedCopy::Output`
| no implementation for `Self += &'static str`
|
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + std::ops::AddAssign<&'static str> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | trait UncheckedCopy: Sized + AddAssign<&'static str> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0277]: the trait bound `Self: std::marker::Copy` is not satisfied
--> $DIR/defaults-unsound-62211-2.rs:21:5
error[E0277]: the trait bound `Self: Copy` is not satisfied
--> $DIR/defaults-unsound-62211-2.rs:20:5
|
LL | type Output: Copy
| ^ ---- required by this bound in `UncheckedCopy::Output`
| _____|
| |
LL | |
LL | |
LL | |
... |
LL | | + From<Self>
LL | | + Display = Self;
| |_________________________^ the trait `std::marker::Copy` is not implemented for `Self`
LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self;
| ^^^^^^^^^^^^^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `UncheckedCopy::Output`
| the trait `Copy` is not implemented for `Self`
|
help: consider further restricting `Self`
|
LL | trait UncheckedCopy: Sized + std::marker::Copy {
| ^^^^^^^^^^^^^^^^^^^
LL | trait UncheckedCopy: Sized + Copy {
| ^^^^^^
error: aborting due to 4 previous errors

4
src/test/ui/associated-types/defaults-wf.stderr
View File

@ -7,9 +7,9 @@ LL | type Ty = Vec<[u8]>;
::: $SRC_DIR/alloc/src/vec.rs:LL:COL
|
LL | pub struct Vec<T> {
| - required by this bound in `std::vec::Vec`
| - required by this bound in `Vec`
|
= help: the trait `std::marker::Sized` is not implemented for `[u8]`
= help: the trait `Sized` is not implemented for `[u8]`
error: aborting due to previous error

8
src/test/ui/associated-types/issue-43924.stderr
View File

@ -1,17 +1,17 @@
error[E0277]: the trait bound `(dyn std::string::ToString + 'static): std::default::Default` is not satisfied
error[E0277]: the trait bound `(dyn ToString + 'static): Default` is not satisfied
--> $DIR/issue-43924.rs:7:5
|
LL | type Out: Default + ToString + ?Sized = dyn ToString;
| ^^^^^^^^^^-------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| | |
| | required by this bound in `Foo::Out`
| the trait `std::default::Default` is not implemented for `(dyn std::string::ToString + 'static)`
| the trait `Default` is not implemented for `(dyn ToString + 'static)`
error[E0599]: no function or associated item named `default` found for trait object `(dyn std::string::ToString + 'static)` in the current scope
error[E0599]: no function or associated item named `default` found for trait object `(dyn ToString + 'static)` in the current scope
--> $DIR/issue-43924.rs:14:39
|
LL | assert_eq!(<() as Foo<u32>>::Out::default().to_string(), "false");
| ^^^^^^^ function or associated item not found in `(dyn std::string::ToString + 'static)`
| ^^^^^^^ function or associated item not found in `(dyn ToString + 'static)`
error: aborting due to 2 previous errors

1
src/test/ui/async-await/async-error-span.stderr
View File

@ -5,7 +5,6 @@ LL | fn get_future() -> impl Future<Output = ()> {
| ^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not a future
|
= help: the trait `Future` is not implemented for `()`
= note: the return type of a function must have a statically known size
error[E0698]: type inside `async fn` body must be known in this context
--> $DIR/async-error-span.rs:13:9

19
src/test/ui/async-await/issue-61076.stderr
View File

@ -27,33 +27,18 @@ error[E0609]: no field `0` on type `impl Future`
|
LL | let _: i32 = tuple().0;
| ^
|
help: consider awaiting before field access
|
LL | let _: i32 = tuple().await.0;
| ^^^^^^
error[E0609]: no field `a` on type `impl Future`
--> $DIR/issue-61076.rs:60:28
|
LL | let _: i32 = struct_().a;
| ^
|
help: consider awaiting before field access
|
LL | let _: i32 = struct_().await.a;
| ^^^^^^
error[E0599]: no method named `method` found for opaque type `impl Future` in the current scope
--> $DIR/issue-61076.rs:62:15
|
LL | struct_().method();
| ^^^^^^ method not found in `impl Future`
|
help: consider awaiting before this method call
|
LL | struct_().await.method();
| ^^^^^^
error[E0308]: mismatched types
--> $DIR/issue-61076.rs:69:9
@ -66,10 +51,6 @@ LL | Tuple(_) => {}
|
= note: expected opaque type `impl Future`
found struct `Tuple`
help: consider awaiting on the future
|
LL | match tuple().await {
| ^^^^^^
error: aborting due to 6 previous errors

13
src/test/ui/async-await/issue-64130-4-async-move.stderr
View File

@ -1,17 +1,8 @@
error: future cannot be sent between threads safely
--> $DIR/issue-64130-4-async-move.rs:15:17
|
LL | pub fn foo() -> impl Future + Send {
| ^^^^^^^^^^^^^^^^^^ future created by async block is not `Send`
...
LL | / async move {
LL | | match client.status() {
LL | | 200 => {
LL | | let _x = get().await;
... |
LL | | }
LL | | }
| |_____- this returned value is of type `impl Future`
LL | pub fn foo() -> impl Future + Send {
| ^^^^^^^^^^^^^^^^^^ future created by async block is not `Send`
|
= help: the trait `Sync` is not implemented for `(dyn Any + Send + 'static)`
note: future is not `Send` as this value is used across an await

3
src/test/ui/async-await/issue-70818.stderr
View File

@ -3,9 +3,6 @@ error: future cannot be sent between threads safely
|
LL | fn foo<T: Send, U>(ty: T, ty1: U) -> impl Future<Output = (T, U)> + Send {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future created by async block is not `Send`
LL |
LL | async { (ty, ty1) }
| ------------------- this returned value is of type `impl Future`
|
note: captured value is not `Send`
--> $DIR/issue-70818.rs:6:18

6
src/test/ui/closures/issue-41366.stderr
View File

@ -15,12 +15,12 @@ error[E0277]: the size for values of type `<u32 as T<'_>>::V` cannot be known at
LL | (&|_| ()) as &dyn for<'x> Fn(<u32 as T<'x>>::V);
| ^ doesn't have a size known at compile-time
|
= help: the trait `std::marker::Sized` is not implemented for `<u32 as T<'_>>::V`
= help: the trait `Sized` is not implemented for `<u32 as T<'_>>::V`
= help: unsized locals are gated as an unstable feature
help: consider further restricting the associated type
|
LL | fn main() where <u32 as T<'_>>::V: std::marker::Sized {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | fn main() where <u32 as T<'_>>::V: Sized {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: function arguments must have a statically known size, borrowed types always have a known size
|
LL | (&|&_| ()) as &dyn for<'x> Fn(<u32 as T<'x>>::V);

1
src/test/ui/conservative_impl_trait.stderr
View File

@ -5,7 +5,6 @@ LL | fn will_ice(something: &u32) -> impl Iterator<Item = &u32> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not an iterator
|
= help: the trait `Iterator` is not implemented for `()`
= note: the return type of a function must have a statically known size
error: aborting due to previous error

3
src/test/ui/feature-gates/feature-gate-associated_type_bounds.rs
View File

@ -1,4 +1,3 @@
// ignore-tidy-linelength
// compile-flags: -Zsave-analysis
// This is also a regression test for #69415 and the above flag is needed.
@ -15,7 +14,7 @@ impl Tr1 for S1 { type As1 = S2; }
trait _Tr3 {
type A: Iterator<Item: Copy>;
//~^ ERROR associated type bounds are unstable
//~| ERROR the trait bound `<<Self as _Tr3>::A as std::iter::Iterator>::Item: std::marker::Copy` is not satisfied
//~| ERROR the trait bound `<<Self as _Tr3>::A as Iterator>::Item: Copy` is not satisfied
type B: Iterator<Item: 'static>;
//~^ ERROR associated type bounds are unstable

44
src/test/ui/feature-gates/feature-gate-associated_type_bounds.stderr
View File

@ -1,5 +1,5 @@
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:16:22
--> $DIR/feature-gate-associated_type_bounds.rs:15:22
|
LL | type A: Iterator<Item: Copy>;
| ^^^^^^^^^^
@ -8,7 +8,7 @@ LL | type A: Iterator<Item: Copy>;
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:20:22
--> $DIR/feature-gate-associated_type_bounds.rs:19:22
|
LL | type B: Iterator<Item: 'static>;
| ^^^^^^^^^^^^^
@ -17,7 +17,7 @@ LL | type B: Iterator<Item: 'static>;
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:24:20
--> $DIR/feature-gate-associated_type_bounds.rs:23:20
|
LL | struct _St1<T: Tr1<As1: Tr2>> {
| ^^^^^^^^
@ -26,7 +26,7 @@ LL | struct _St1<T: Tr1<As1: Tr2>> {
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:31:18
--> $DIR/feature-gate-associated_type_bounds.rs:30:18
|
LL | enum _En1<T: Tr1<As1: Tr2>> {
| ^^^^^^^^
@ -35,7 +35,7 @@ LL | enum _En1<T: Tr1<As1: Tr2>> {
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:38:19
--> $DIR/feature-gate-associated_type_bounds.rs:37:19
|
LL | union _Un1<T: Tr1<As1: Tr2>> {
| ^^^^^^^^
@ -44,7 +44,7 @@ LL | union _Un1<T: Tr1<As1: Tr2>> {
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:45:37
--> $DIR/feature-gate-associated_type_bounds.rs:44:37
|
LL | type _TaWhere1<T> where T: Iterator<Item: Copy> = T;
| ^^^^^^^^^^
@ -53,7 +53,7 @@ LL | type _TaWhere1<T> where T: Iterator<Item: Copy> = T;
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:48:22
--> $DIR/feature-gate-associated_type_bounds.rs:47:22
|
LL | fn _apit(_: impl Tr1<As1: Copy>) {}
| ^^^^^^^^^
@ -62,7 +62,7 @@ LL | fn _apit(_: impl Tr1<As1: Copy>) {}
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:50:26
--> $DIR/feature-gate-associated_type_bounds.rs:49:26
|
LL | fn _apit_dyn(_: &dyn Tr1<As1: Copy>) {}
| ^^^^^^^^^
@ -71,7 +71,7 @@ LL | fn _apit_dyn(_: &dyn Tr1<As1: Copy>) {}
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:53:24
--> $DIR/feature-gate-associated_type_bounds.rs:52:24
|
LL | fn _rpit() -> impl Tr1<As1: Copy> { S1 }
| ^^^^^^^^^
@ -80,7 +80,7 @@ LL | fn _rpit() -> impl Tr1<As1: Copy> { S1 }
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:56:31
--> $DIR/feature-gate-associated_type_bounds.rs:55:31
|
LL | fn _rpit_dyn() -> Box<dyn Tr1<As1: Copy>> { Box::new(S1) }
| ^^^^^^^^^
@ -89,7 +89,7 @@ LL | fn _rpit_dyn() -> Box<dyn Tr1<As1: Copy>> { Box::new(S1) }
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:59:23
--> $DIR/feature-gate-associated_type_bounds.rs:58:23
|
LL | const _cdef: impl Tr1<As1: Copy> = S1;
| ^^^^^^^^^
@ -98,7 +98,7 @@ LL | const _cdef: impl Tr1<As1: Copy> = S1;
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:65:24
--> $DIR/feature-gate-associated_type_bounds.rs:64:24
|
LL | static _sdef: impl Tr1<As1: Copy> = S1;
| ^^^^^^^^^
@ -107,7 +107,7 @@ LL | static _sdef: impl Tr1<As1: Copy> = S1;
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0658]: associated type bounds are unstable
--> $DIR/feature-gate-associated_type_bounds.rs:72:21
--> $DIR/feature-gate-associated_type_bounds.rs:71:21
|
LL | let _: impl Tr1<As1: Copy> = S1;
| ^^^^^^^^^
@ -116,7 +116,7 @@ LL | let _: impl Tr1<As1: Copy> = S1;
= help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable
error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
--> $DIR/feature-gate-associated_type_bounds.rs:59:14
--> $DIR/feature-gate-associated_type_bounds.rs:58:14
|
LL | const _cdef: impl Tr1<As1: Copy> = S1;
| ^^^^^^^^^^^^^^^^^^^
@ -124,7 +124,7 @@ LL | const _cdef: impl Tr1<As1: Copy> = S1;
= help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
--> $DIR/feature-gate-associated_type_bounds.rs:65:15
--> $DIR/feature-gate-associated_type_bounds.rs:64:15
|
LL | static _sdef: impl Tr1<As1: Copy> = S1;
| ^^^^^^^^^^^^^^^^^^^
@ -132,28 +132,28 @@ LL | static _sdef: impl Tr1<As1: Copy> = S1;
= help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
--> $DIR/feature-gate-associated_type_bounds.rs:72:12
--> $DIR/feature-gate-associated_type_bounds.rs:71:12
|
LL | let _: impl Tr1<As1: Copy> = S1;
| ^^^^^^^^^^^^^^^^^^^
|
= help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
error[E0277]: the trait bound `<<Self as _Tr3>::A as std::iter::Iterator>::Item: std::marker::Copy` is not satisfied
--> $DIR/feature-gate-associated_type_bounds.rs:16:28
error[E0277]: the trait bound `<<Self as _Tr3>::A as Iterator>::Item: Copy` is not satisfied
--> $DIR/feature-gate-associated_type_bounds.rs:15:28
|
LL | type A: Iterator<Item: Copy>;
| ^^^^ the trait `std::marker::Copy` is not implemented for `<<Self as _Tr3>::A as std::iter::Iterator>::Item`
| ^^^^ the trait `Copy` is not implemented for `<<Self as _Tr3>::A as Iterator>::Item`
|
::: $SRC_DIR/core/src/marker.rs:LL:COL
|
LL | pub trait Copy: Clone {
| --------------------- required by this bound in `std::marker::Copy`
| --------------------- required by this bound in `Copy`
|
help: consider further restricting the associated type
|
LL | trait _Tr3 where <<Self as _Tr3>::A as std::iter::Iterator>::Item: std::marker::Copy {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | trait _Tr3 where <<Self as _Tr3>::A as Iterator>::Item: Copy {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 17 previous errors

2
src/test/ui/feature-gates/feature-gate-generic_associated_types.rs
View File

@ -15,7 +15,7 @@ impl PointerFamily<u32> for Foo {
//~^ ERROR generic associated types are unstable
type Pointer2<U32> = Box<U32>;
//~^ ERROR generic associated types are unstable
//~| ERROR the trait bound `U32: std::clone::Clone` is not satisfied
//~| ERROR the trait bound `U32: Clone` is not satisfied
}
trait Bar {

8
src/test/ui/feature-gates/feature-gate-generic_associated_types.stderr
View File

@ -61,16 +61,16 @@ LL | type Assoc where Self: Sized = Foo;
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
= help: add `#![feature(generic_associated_types)]` to the crate attributes to enable
error[E0277]: the trait bound `U32: std::clone::Clone` is not satisfied
error[E0277]: the trait bound `U32: Clone` is not satisfied
--> $DIR/feature-gate-generic_associated_types.rs:16:5
|
LL | type Pointer2<U32> = Box<U32>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::clone::Clone` is not implemented for `U32`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `U32`
|
help: consider restricting type parameter `U32`
|
LL | type Pointer2<U32: std::clone::Clone> = Box<U32>;
| ^^^^^^^^^^^^^^^^^^^
LL | type Pointer2<U32: Clone> = Box<U32>;
| ^^^^^^^
error: aborting due to 8 previous errors

4
src/test/ui/for/for-c-in-str.rs
View File

@ -1,16 +1,16 @@
// E0277 should point exclusively at line 6, not the entire for loop span
// ignore-tidy-linelength
fn main() {
for c in "asdf" {
//~^ ERROR `&str` is not an iterator
//~| NOTE `&str` is not an iterator
//~| HELP the trait `Iterator` is not implemented for `&str`
//~| NOTE required because of the requirements on the impl of `IntoIterator` for `&str`
//~| NOTE required by `into_iter`
//~| NOTE in this expansion of desugaring of `for` loop
//~| NOTE in this expansion of desugaring of `for` loop
//~| NOTE in this expansion of desugaring of `for` loop
//~| NOTE in this expansion of desugaring of `for` loop
println!();
}
}

3
src/test/ui/for/for-c-in-str.stderr
View File

@ -1,10 +1,11 @@
error[E0277]: `&str` is not an iterator
--> $DIR/for-c-in-str.rs:6:14
--> $DIR/for-c-in-str.rs:4:14
|
LL | for c in "asdf" {
| ^^^^^^ `&str` is not an iterator; try calling `.chars()` or `.bytes()`
|
= help: the trait `Iterator` is not implemented for `&str`
= note: required because of the requirements on the impl of `IntoIterator` for `&str`
= note: required by `into_iter`
error: aborting due to previous error

1
src/test/ui/for/for-loop-bogosity.stderr
View File

@ -5,6 +5,7 @@ LL | for x in bogus {
| ^^^^^ `MyStruct` is not an iterator
|
= help: the trait `Iterator` is not implemented for `MyStruct`
= note: required because of the requirements on the impl of `IntoIterator` for `MyStruct`
= note: required by `into_iter`
error: aborting due to previous error

2
src/test/ui/generator/sized-yield.stderr
View File

@ -20,7 +20,7 @@ LL | Pin::new(&mut gen).resume(());
::: $SRC_DIR/core/src/ops/generator.rs:LL:COL
|
LL | pub enum GeneratorState<Y, R> {
| - required by this bound in `std::ops::GeneratorState`
| - required by this bound in `GeneratorState`
|
= help: the trait `Sized` is not implemented for `str`

2
src/test/ui/generic-associated-types/cross-crate-bounds.rs
View File

@ -13,7 +13,7 @@ pub struct FooImpl;
impl Foo for FooImpl {
type Bar = ();
//~^ ERROR the trait bound `(): std::convert::AsRef<()>` is not satisfied
//~^ ERROR the trait bound `(): AsRef<()>` is not satisfied
fn foo(&self) -> Pin<Box<dyn Future<Output = Self::Bar> + '_>> {
panic!()
}

4
src/test/ui/generic-associated-types/cross-crate-bounds.stderr
View File

@ -1,8 +1,8 @@
error[E0277]: the trait bound `(): std::convert::AsRef<()>` is not satisfied
error[E0277]: the trait bound `(): AsRef<()>` is not satisfied
--> $DIR/cross-crate-bounds.rs:15:5
|
LL | type Bar = ();
| ^^^^^^^^^^^^^^ the trait `std::convert::AsRef<()>` is not implemented for `()`
| ^^^^^^^^^^^^^^ the trait `AsRef<()>` is not implemented for `()`
|
::: $DIR/auxiliary/foo_defn.rs:6:15
|

19
src/test/ui/generic-associated-types/impl_bounds.stderr
View File

@ -24,8 +24,25 @@ note: but lifetime parameter must outlive the lifetime `'a` as defined on the as
LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ());
| ^^
error[E0478]: lifetime bound not satisfied
--> $DIR/impl_bounds.rs:17:5
|
LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: lifetime parameter instantiated with the lifetime `'a` as defined on the associated item at 17:12
--> $DIR/impl_bounds.rs:17:12
|
LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ());
| ^^
note: but lifetime parameter must outlive the lifetime `'b` as defined on the associated item at 17:16
--> $DIR/impl_bounds.rs:17:16
|
LL | type B<'a, 'b> where 'b: 'a = (&'a(), &'b ());
| ^^
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/impl_bounds.rs:19:5
--> $DIR/impl_bounds.rs:20:5
|
LL | type C where Self: Copy = String;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`

2
src/test/ui/generic-associated-types/projection-bound-cycle-generic.rs
View File

@ -43,7 +43,7 @@ impl<T> Bar for T where T: Foo {
// can use the bound on `Foo::Item` for this, but that requires
// `wf(<T as Foo>::Item)`, which is an invalid cycle.
type Assoc = OnlySized<<T as Foo>::Item>;
//~^ ERROR overflow evaluating the requirement `<T as Foo>::Item: std::marker::Sized`
//~^ ERROR overflow evaluating the requirement `<T as Foo>::Item: Sized`
}
fn foo<T: Print>() {

2
src/test/ui/generic-associated-types/projection-bound-cycle-generic.stderr
View File

@ -7,7 +7,7 @@ LL | #![feature(generic_associated_types)]
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
error[E0275]: overflow evaluating the requirement `<T as Foo>::Item: std::marker::Sized`
error[E0275]: overflow evaluating the requirement `<T as Foo>::Item: Sized`
--> $DIR/projection-bound-cycle-generic.rs:45:5
|
LL | struct OnlySized<T> where T: Sized { f: T }

2
src/test/ui/generic-associated-types/projection-bound-cycle.rs
View File

@ -45,7 +45,7 @@ impl<T> Bar for T where T: Foo {
// can use the bound on `Foo::Item` for this, but that requires
// `wf(<T as Foo>::Item)`, which is an invalid cycle.
type Assoc = OnlySized<<T as Foo>::Item>;
//~^ ERROR overflow evaluating the requirement `<T as Foo>::Item: std::marker::Sized`
//~^ ERROR overflow evaluating the requirement `<T as Foo>::Item: Sized`
}
fn foo<T: Print>() {

2
src/test/ui/generic-associated-types/projection-bound-cycle.stderr
View File

@ -7,7 +7,7 @@ LL | #![feature(generic_associated_types)]
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44265 <https://github.com/rust-lang/rust/issues/44265> for more information
error[E0275]: overflow evaluating the requirement `<T as Foo>::Item: std::marker::Sized`
error[E0275]: overflow evaluating the requirement `<T as Foo>::Item: Sized`
--> $DIR/projection-bound-cycle.rs:47:5
|
LL | struct OnlySized<T> where T: Sized { f: T }

2
src/test/ui/impl-trait/issue-55872-2.stderr
View File

@ -3,8 +3,6 @@ error[E0277]: the trait bound `impl Future: Copy` is not satisfied
|
LL | type E = impl std::marker::Copy;
| ^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `impl Future`
|
= note: the return type of a function must have a statically known size
error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias
--> $DIR/issue-55872-2.rs:15:28

2
src/test/ui/inference/cannot-infer-async-enabled-impl-trait-bindings.stderr
View File

@ -7,7 +7,7 @@ LL | #![feature(impl_trait_in_bindings)]
= note: `#[warn(incomplete_features)]` on by default
= note: see issue #63065 <https://github.com/rust-lang/rust/issues/63065> for more information
error[E0282]: type annotations needed for `impl std::future::Future`
error[E0282]: type annotations needed for `impl Future`
--> $DIR/cannot-infer-async-enabled-impl-trait-bindings.rs:13:20
|
LL | let fut = async {

1
src/test/ui/issues-71798.stderr
View File

@ -11,7 +11,6 @@ LL | fn test_ref(x: &u32) -> impl std::future::Future<Output = u32> + '_ {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `u32` is not a future
|
= help: the trait `Future` is not implemented for `u32`
= note: the return type of a function must have a statically known size
error: aborting due to 2 previous errors

6
src/test/ui/issues/issue-20605.stderr
View File

@ -4,9 +4,9 @@ error[E0277]: the size for values of type `dyn Iterator<Item = &'a mut u8>` cann
LL | for item in *things { *item = 0 }
| ^^^^^^^ doesn't have a size known at compile-time
|
= help: the trait `std::marker::Sized` is not implemented for `dyn std::iter::Iterator<Item = &'a mut u8>`
= note: required because of the requirements on the impl of `std::iter::IntoIterator` for `dyn std::iter::Iterator<Item = &'a mut u8>`
= note: required by `std::iter::IntoIterator::into_iter`
= help: the trait `Sized` is not implemented for `dyn Iterator<Item = &'a mut u8>`
= note: required because of the requirements on the impl of `IntoIterator` for `dyn Iterator<Item = &'a mut u8>`
= note: required by `into_iter`
error: aborting due to previous error

10
src/test/ui/issues/issue-20831-debruijn.stderr
View File

@ -7,14 +7,8 @@ LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher
note: first, the lifetime cannot outlive the anonymous lifetime #2 defined on the method body at 28:5...
--> $DIR/issue-20831-debruijn.rs:28:5
|
LL | / fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) {
LL | | // Not obvious, but there is an implicit lifetime here -------^
LL | |
LL | | //
... |
LL | | self.sub = t;
LL | | }
| |_____^
LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...but the lifetime must also be valid for the lifetime `'a` as defined on the impl at 26:6...
--> $DIR/issue-20831-debruijn.rs:26:6
|

2
src/test/ui/issues/issue-23122-2.stderr
View File

@ -1,4 +1,4 @@
error[E0275]: overflow evaluating the requirement `<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<T as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next: std::marker::Sized`
error[E0275]: overflow evaluating the requirement `<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<T as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next as Next>::Next: Sized`
--> $DIR/issue-23122-2.rs:8:5
|
LL | type Next = <GetNext<T::Next> as Next>::Next;

7
src/test/ui/issues/issue-28098.stderr
View File

@ -13,9 +13,9 @@ error[E0277]: `bool` is not an iterator
LL | for _ in false {}
| ^^^^^ `bool` is not an iterator
|
= help: the trait `std::iter::Iterator` is not implemented for `bool`
= note: required because of the requirements on the impl of `std::iter::IntoIterator` for `bool`
= note: required by `std::iter::IntoIterator::into_iter`
= help: the trait `Iterator` is not implemented for `bool`
= note: required because of the requirements on the impl of `IntoIterator` for `bool`
= note: required by `into_iter`
error[E0277]: `()` is not an iterator
--> $DIR/issue-28098.rs:9:28
@ -59,6 +59,7 @@ LL | for _ in false {}
| ^^^^^ `bool` is not an iterator
|
= help: the trait `Iterator` is not implemented for `bool`
= note: required because of the requirements on the impl of `IntoIterator` for `bool`
= note: required by `into_iter`
error[E0277]: `()` is not an iterator

7
src/test/ui/issues/issue-33941.stderr
View File

@ -15,9 +15,9 @@ LL | for _ in HashMap::new().iter().cloned() {}
|
= note: expected tuple `(&_, &_)`
found reference `&_`
= note: required because of the requirements on the impl of `std::iter::Iterator` for `std::iter::Cloned<std::collections::hash_map::Iter<'_, _, _>>`
= note: required because of the requirements on the impl of `std::iter::IntoIterator` for `std::iter::Cloned<std::collections::hash_map::Iter<'_, _, _>>`
= note: required by `std::iter::IntoIterator::into_iter`
= note: required because of the requirements on the impl of `Iterator` for `Cloned<std::collections::hash_map::Iter<'_, _, _>>`
= note: required because of the requirements on the impl of `IntoIterator` for `Cloned<std::collections::hash_map::Iter<'_, _, _>>`
= note: required by `into_iter`
error[E0271]: type mismatch resolving `<std::collections::hash_map::Iter<'_, _, _> as Iterator>::Item == &_`
--> $DIR/issue-33941.rs:4:14
@ -28,6 +28,7 @@ LL | for _ in HashMap::new().iter().cloned() {}
= note: expected tuple `(&_, &_)`
found reference `&_`
= note: required because of the requirements on the impl of `Iterator` for `Cloned<std::collections::hash_map::Iter<'_, _, _>>`
= note: required by `std::iter::Iterator::next`
error: aborting due to 3 previous errors

8
src/test/ui/issues/issue-41139.rs
View File

@ -1,10 +1,12 @@
trait Trait {}
fn get_function<'a>() -> &'a dyn Fn() -> dyn Trait { panic!("") }
fn get_function<'a>() -> &'a dyn Fn() -> dyn Trait {
panic!("")
}
fn main() {
// This isn't great. The issue here is that `dyn Trait` is not sized, so
// `dyn Fn() -> dyn Trait` is not well-formed.
let t : &dyn Trait = &get_function()();
//~^ ERROR expected function, found `&dyn std::ops::Fn() -> (dyn Trait + 'static)`
let t: &dyn Trait = &get_function()();
//~^ ERROR expected function, found `&dyn Fn() -> (dyn Trait + 'static)`
}

16
src/test/ui/issues/issue-41139.stderr
View File

@ -1,13 +1,13 @@
error[E0618]: expected function, found `&dyn std::ops::Fn() -> (dyn Trait + 'static)`
--> $DIR/issue-41139.rs:8:27
error[E0618]: expected function, found `&dyn Fn() -> (dyn Trait + 'static)`
--> $DIR/issue-41139.rs:10:26
|
LL | fn get_function<'a>() -> &'a dyn Fn() -> dyn Trait { panic!("") }
| ----------------------------------------------------------------- `get_function` defined here returns `&dyn std::ops::Fn() -> (dyn Trait + 'static)`
LL | fn get_function<'a>() -> &'a dyn Fn() -> dyn Trait {
| -------------------------------------------------- `get_function` defined here returns `&dyn Fn() -> (dyn Trait + 'static)`
...
LL | let t : &dyn Trait = &get_function()();
| ^^^^^^^^^^^^^^--
| |
| call expression requires function
LL | let t: &dyn Trait = &get_function()();
| ^^^^^^^^^^^^^^--
| |
| call expression requires function
error: aborting due to previous error

4
src/test/ui/issues/issue-43784-associated-type.stderr
View File

@ -1,11 +1,11 @@
error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
error[E0277]: the trait bound `T: Copy` is not satisfied
--> $DIR/issue-43784-associated-type.rs:14:5
|
LL | type Assoc: Partial<Self>;
| ------------- required by this bound in `Complete::Assoc`
...
LL | type Assoc = T;
| ^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `T`
| ^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
help: consider restricting type parameter `T`
|

6
src/test/ui/issues/issue-60283.stderr
View File

@ -24,11 +24,11 @@ LL | foo((), drop)
LL | pub fn drop<T>(_x: T) {}
| - required by this bound in `std::mem::drop`
|
= help: the trait `std::marker::Sized` is not implemented for `<() as Trait<'_>>::Item`
= help: the trait `Sized` is not implemented for `<() as Trait<'_>>::Item`
help: consider further restricting the associated type
|
LL | fn main() where <() as Trait<'_>>::Item: std::marker::Sized {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL | fn main() where <() as Trait<'_>>::Item: Sized {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors

9
src/test/ui/iterators/array-of-ranges.stderr
View File

@ -6,6 +6,7 @@ LL | for _ in [0..1] {}
|
= help: the trait `Iterator` is not implemented for `[std::ops::Range<{integer}>; 1]`
= note: `[start..end]` is an array of one `Range`; you might have meant to have a `Range` without the brackets: `start..end`
= note: required because of the requirements on the impl of `IntoIterator` for `[std::ops::Range<{integer}>; 1]`
= note: required by `into_iter`
error[E0277]: `[RangeInclusive<{integer}>; 1]` is not an iterator
@ -16,6 +17,7 @@ LL | for _ in [0..=1] {}
|
= help: the trait `Iterator` is not implemented for `[RangeInclusive<{integer}>; 1]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[RangeInclusive<{integer}>; 1]`
= note: required by `into_iter`
error[E0277]: `[RangeFrom<{integer}>; 1]` is not an iterator
@ -26,6 +28,7 @@ LL | for _ in [0..] {}
|
= help: the trait `Iterator` is not implemented for `[RangeFrom<{integer}>; 1]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[RangeFrom<{integer}>; 1]`
= note: required by `into_iter`
error[E0277]: `[RangeTo<{integer}>; 1]` is not an iterator
@ -36,6 +39,7 @@ LL | for _ in [..1] {}
|
= help: the trait `Iterator` is not implemented for `[RangeTo<{integer}>; 1]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[RangeTo<{integer}>; 1]`
= note: required by `into_iter`
error[E0277]: `[RangeToInclusive<{integer}>; 1]` is not an iterator
@ -46,6 +50,7 @@ LL | for _ in [..=1] {}
|
= help: the trait `Iterator` is not implemented for `[RangeToInclusive<{integer}>; 1]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[RangeToInclusive<{integer}>; 1]`
= note: required by `into_iter`
error[E0277]: `[std::ops::Range<{integer}>; 1]` is not an iterator
@ -56,6 +61,7 @@ LL | for _ in [start..end] {}
|
= help: the trait `Iterator` is not implemented for `[std::ops::Range<{integer}>; 1]`
= note: `[start..end]` is an array of one `Range`; you might have meant to have a `Range` without the brackets: `start..end`
= note: required because of the requirements on the impl of `IntoIterator` for `[std::ops::Range<{integer}>; 1]`
= note: required by `into_iter`
error[E0277]: `[std::ops::Range<{integer}>; 1]` is not an iterator
@ -66,6 +72,7 @@ LL | for _ in array_of_range {}
|
= help: the trait `Iterator` is not implemented for `[std::ops::Range<{integer}>; 1]`
= note: `[start..end]` is an array of one `Range`; you might have meant to have a `Range` without the brackets: `start..end`
= note: required because of the requirements on the impl of `IntoIterator` for `[std::ops::Range<{integer}>; 1]`
= note: required by `into_iter`
error[E0277]: `[std::ops::Range<{integer}>; 2]` is not an iterator
@ -76,6 +83,7 @@ LL | for _ in [0..1, 2..3] {}
|
= help: the trait `Iterator` is not implemented for `[std::ops::Range<{integer}>; 2]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[std::ops::Range<{integer}>; 2]`
= note: required by `into_iter`
error[E0277]: `[RangeInclusive<{integer}>; 1]` is not an iterator
@ -86,6 +94,7 @@ LL | for _ in [0..=1] {}
|
= help: the trait `Iterator` is not implemented for `[RangeInclusive<{integer}>; 1]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[RangeInclusive<{integer}>; 1]`
= note: required by `into_iter`
error: aborting due to 9 previous errors

3
src/test/ui/iterators/array.stderr
View File

@ -6,6 +6,7 @@ LL | for _ in [1, 2] {}
|
= help: the trait `Iterator` is not implemented for `[{integer}; 2]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[{integer}; 2]`
= note: required by `into_iter`
error[E0277]: `[{integer}; 2]` is not an iterator
@ -16,6 +17,7 @@ LL | for _ in x {}
|
= help: the trait `Iterator` is not implemented for `[{integer}; 2]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[{integer}; 2]`
= note: required by `into_iter`
error[E0277]: `[{float}; 2]` is not an iterator
@ -26,6 +28,7 @@ LL | for _ in [1.0, 2.0] {}
|
= help: the trait `Iterator` is not implemented for `[{float}; 2]`
= note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
= note: required because of the requirements on the impl of `IntoIterator` for `[{float}; 2]`
= note: required by `into_iter`
error: aborting due to 3 previous errors

12
src/test/ui/iterators/integral.stderr
View File

@ -6,6 +6,7 @@ LL | for _ in 42 {}
|
= help: the trait `Iterator` is not implemented for `{integer}`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `{integer}`
= note: required by `into_iter`
error[E0277]: `u8` is not an iterator
@ -16,6 +17,7 @@ LL | for _ in 42 as u8 {}
|
= help: the trait `Iterator` is not implemented for `u8`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `u8`
= note: required by `into_iter`
error[E0277]: `i8` is not an iterator
@ -26,6 +28,7 @@ LL | for _ in 42 as i8 {}
|
= help: the trait `Iterator` is not implemented for `i8`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `i8`
= note: required by `into_iter`
error[E0277]: `u16` is not an iterator
@ -36,6 +39,7 @@ LL | for _ in 42 as u16 {}
|
= help: the trait `Iterator` is not implemented for `u16`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `u16`
= note: required by `into_iter`
error[E0277]: `i16` is not an iterator
@ -46,6 +50,7 @@ LL | for _ in 42 as i16 {}
|
= help: the trait `Iterator` is not implemented for `i16`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `i16`
= note: required by `into_iter`
error[E0277]: `u32` is not an iterator
@ -56,6 +61,7 @@ LL | for _ in 42 as u32 {}
|
= help: the trait `Iterator` is not implemented for `u32`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `u32`
= note: required by `into_iter`
error[E0277]: `i32` is not an iterator
@ -66,6 +72,7 @@ LL | for _ in 42 as i32 {}
|
= help: the trait `Iterator` is not implemented for `i32`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `i32`
= note: required by `into_iter`
error[E0277]: `u64` is not an iterator
@ -76,6 +83,7 @@ LL | for _ in 42 as u64 {}
|
= help: the trait `Iterator` is not implemented for `u64`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `u64`
= note: required by `into_iter`
error[E0277]: `i64` is not an iterator
@ -86,6 +94,7 @@ LL | for _ in 42 as i64 {}
|
= help: the trait `Iterator` is not implemented for `i64`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `i64`
= note: required by `into_iter`
error[E0277]: `usize` is not an iterator
@ -96,6 +105,7 @@ LL | for _ in 42 as usize {}
|
= help: the trait `Iterator` is not implemented for `usize`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `usize`
= note: required by `into_iter`
error[E0277]: `isize` is not an iterator
@ -106,6 +116,7 @@ LL | for _ in 42 as isize {}
|
= help: the trait `Iterator` is not implemented for `isize`
= note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end`
= note: required because of the requirements on the impl of `IntoIterator` for `isize`
= note: required by `into_iter`
error[E0277]: `{float}` is not an iterator
@ -115,6 +126,7 @@ LL | for _ in 42.0 {}
| ^^^^ `{float}` is not an iterator
|
= help: the trait `Iterator` is not implemented for `{float}`
= note: required because of the requirements on the impl of `IntoIterator` for `{float}`
= note: required by `into_iter`
error: aborting due to 12 previous errors

2
src/test/ui/iterators/ranges.stderr
View File

@ -5,6 +5,7 @@ LL | for _ in ..10 {}
| ^^^^ `RangeTo<{integer}>` is not an iterator
|
= help: the trait `Iterator` is not implemented for `RangeTo<{integer}>`
= note: required because of the requirements on the impl of `IntoIterator` for `RangeTo<{integer}>`
= note: required by `into_iter`
error[E0277]: `RangeToInclusive<{integer}>` is not an iterator
@ -14,6 +15,7 @@ LL | for _ in ..=10 {}
| ^^^^^ `RangeToInclusive<{integer}>` is not an iterator
|
= help: the trait `Iterator` is not implemented for `RangeToInclusive<{integer}>`
= note: required because of the requirements on the impl of `IntoIterator` for `RangeToInclusive<{integer}>`
= note: required by `into_iter`
error: aborting due to 2 previous errors

2
src/test/ui/iterators/string.stderr
View File

@ -5,6 +5,7 @@ LL | for _ in "".to_owned() {}
| ^^^^^^^^^^^^^ `String` is not an iterator
|
= help: the trait `Iterator` is not implemented for `String`
= note: required because of the requirements on the impl of `IntoIterator` for `String`
= note: required by `into_iter`
error[E0277]: `&str` is not an iterator
@ -14,6 +15,7 @@ LL | for _ in "" {}
| ^^ `&str` is not an iterator; try calling `.chars()` or `.bytes()`
|
= help: the trait `Iterator` is not implemented for `&str`
= note: required because of the requirements on the impl of `IntoIterator` for `&str`
= note: required by `into_iter`
error: aborting due to 2 previous errors

1
src/test/ui/parser/struct-literal-in-for.stderr
View File

@ -24,6 +24,7 @@ LL | | }.hi() {
| |__________^ `bool` is not an iterator
|
= help: the trait `Iterator` is not implemented for `bool`
= note: required because of the requirements on the impl of `IntoIterator` for `bool`
= note: required by `into_iter`
error: aborting due to 2 previous errors

10
src/test/ui/privacy/private-in-public-assoc-ty.rs
View File

@ -21,18 +21,14 @@ mod m {
// "Private-in-public in associated types is hard error" in RFC 2145
// applies only to the aliased types, not bounds.
pub trait PubTr {
type Alias1: PrivTr;
//~^ WARN private trait `PrivTr` in public interface
//~| WARN this was previously accepted
//~| WARN private type `Priv` in public interface
//~| WARN private type `Priv` in public interface
//~| WARN this was previously accepted
//~| WARN this was previously accepted
type Alias1: PrivTr;
type Alias2: PubTrAux1<Priv> = u8;
//~^ WARN private type `m::Priv` in public interface
//~^ WARN private type `Priv` in public interface
//~| WARN this was previously accepted
type Alias3: PubTrAux2<A = Priv> = u8;
//~^ WARN private type `m::Priv` in public interface
//~^ WARN private type `Priv` in public interface
//~| WARN this was previously accepted
type Alias4 = Priv;

6
src/test/ui/privacy/private-in-public-assoc-ty.stderr
View File

@ -8,7 +8,7 @@ LL | type A = Priv;
| ^^^^^^^^^^^^^^ can't leak private type
warning: private trait `PrivTr` in public interface (error E0445)
--> $DIR/private-in-public-assoc-ty.rs:23:5
--> $DIR/private-in-public-assoc-ty.rs:24:9
|
LL | type Alias1: PrivTr;
| ^^^^^^^^^^^^^^^^^^^^
@ -18,7 +18,7 @@ LL | type Alias1: PrivTr;
= note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
warning: private type `Priv` in public interface (error E0446)
--> $DIR/private-in-public-assoc-ty.rs:23:5
--> $DIR/private-in-public-assoc-ty.rs:27:9
|
LL | type Alias2: PubTrAux1<Priv> = u8;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -27,7 +27,7 @@ LL | type Alias2: PubTrAux1<Priv> = u8;
= note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
warning: private type `Priv` in public interface (error E0446)
--> $DIR/private-in-public-assoc-ty.rs:23:5
--> $DIR/private-in-public-assoc-ty.rs:30:9
|
LL | type Alias3: PubTrAux2<A = Priv> = u8;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

3
src/test/ui/privacy/pub-priv-dep/pub-priv1.rs
View File

@ -32,9 +32,8 @@ impl PublicType {
pub trait MyPubTrait {
type Foo: OtherTrait;
//~^ ERROR trait `priv_dep::OtherTrait` from private dependency 'priv_dep' in public interface
}
//~^^^ ERROR trait `OtherTrait` from private dependency 'priv_dep' in public interface
//~^^ ERROR trait `OtherTrait` from private dependency 'priv_dep' in public interface
pub struct AllowedPrivType {
#[allow(exported_private_dependencies)]

2
src/test/ui/privacy/pub-priv-dep/pub-priv1.stderr
View File

@ -17,7 +17,7 @@ LL | pub fn pub_fn(param: OtherType) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: trait `OtherTrait` from private dependency 'priv_dep' in public interface
--> $DIR/pub-priv1.rs:33:1
--> $DIR/pub-priv1.rs:34:5
|
LL | type Foo: OtherTrait;
| ^^^^^^^^^^^^^^^^^^^^^

3
src/test/ui/question-mark-type-infer.stderr
View File

@ -4,7 +4,8 @@ error[E0283]: type annotations needed
LL | l.iter().map(f).collect()?
| ^^^^^^^ cannot infer type
|
= note: cannot satisfy `<_ as Try>::Ok == _`
= note: cannot satisfy `_: Try`
= note: required by `into_result`
help: consider specifying the type argument in the method call
|
LL | l.iter().map(f).collect::<B>()?

4
src/test/ui/range/range-1.stderr
View File

@ -11,13 +11,15 @@ LL | for i in false..true {}
| ^^^^^^^^^^^ the trait `Step` is not implemented for `bool`
|
= note: required because of the requirements on the impl of `Iterator` for `std::ops::Range<bool>`
= note: required because of the requirements on the impl of `IntoIterator` for `std::ops::Range<bool>`
= note: required by `into_iter`
error[E0277]: the size for values of type `[{integer}]` cannot be known at compilation time
--> $DIR/range-1.rs:14:17
|
LL | let range = *arr..;
| ^^^^^^ doesn't have a size known at compile-time
|
|
::: $SRC_DIR/core/src/ops/range.rs:LL:COL
|
LL | pub struct RangeFrom<Idx> {

42
src/test/ui/regions/regions-normalize-in-where-clause-list.stderr
View File

@ -4,8 +4,9 @@ error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` d
LL | / fn bar<'a, 'b>()
LL | |
LL | |
LL | | where <() as Project<'a, 'b>>::Item : Eq
| |____________________________________________^
LL | | where
LL | | <() as Project<'a, 'b>>::Item: Eq,
| |______________________________________^
|
note: first, the lifetime cannot outlive the lifetime `'a` as defined on the function body at 24:8...
--> $DIR/regions-normalize-in-where-clause-list.rs:24:8
@ -23,43 +24,14 @@ note: ...so that the types are compatible
LL | / fn bar<'a, 'b>()
LL | |
LL | |
LL | | where <() as Project<'a, 'b>>::Item : Eq
| |____________________________________________^
LL | | where
LL | | <() as Project<'a, 'b>>::Item: Eq,
| |______________________________________^
= note: expected `Project<'a, 'b>`
found `Project<'_, '_>`
error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements
--> $DIR/regions-normalize-in-where-clause-list.rs:22:1
|
LL | / fn bar<'a, 'b>()
LL | |
LL | |
LL | | where <() as Project<'a, 'b>>::Item : Eq
| |____________________________________________^
|
note: first, the lifetime cannot outlive the lifetime `'a` as defined on the function body at 22:8...
--> $DIR/regions-normalize-in-where-clause-list.rs:22:8
|
LL | fn bar<'a, 'b>()
| ^^
note: ...but the lifetime must also be valid for the lifetime `'b` as defined on the function body at 22:12...
--> $DIR/regions-normalize-in-where-clause-list.rs:22:12
|
LL | fn bar<'a, 'b>()
| ^^
note: ...so that the types are compatible
--> $DIR/regions-normalize-in-where-clause-list.rs:22:1
|
LL | / fn bar<'a, 'b>()
LL | |
LL | |
LL | | where <() as Project<'a, 'b>>::Item : Eq
| |____________________________________________^
= note: expected `Project<'a, 'b>`
found `Project<'_, '_>`
error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements
--> $DIR/regions-normalize-in-where-clause-list.rs:22:4
--> $DIR/regions-normalize-in-where-clause-list.rs:24:4
|
LL | fn bar<'a, 'b>()
| ^^^

1
src/test/ui/suggestions/suggest-remove-refs-1.stderr
View File

@ -8,6 +8,7 @@ LL | for (i, _) in &v.iter().enumerate() {
| help: consider removing the leading `&`-reference
|
= help: the trait `Iterator` is not implemented for `&Enumerate<std::slice::Iter<'_, {integer}>>`
= note: required because of the requirements on the impl of `IntoIterator` for `&Enumerate<std::slice::Iter<'_, {integer}>>`
= note: required by `into_iter`
error: aborting due to previous error

1
src/test/ui/suggestions/suggest-remove-refs-2.stderr
View File

@ -8,6 +8,7 @@ LL | for (i, _) in & & & & &v.iter().enumerate() {
| help: consider removing 5 leading `&`-references
|
= help: the trait `Iterator` is not implemented for `&&&&&Enumerate<std::slice::Iter<'_, {integer}>>`
= note: required because of the requirements on the impl of `IntoIterator` for `&&&&&Enumerate<std::slice::Iter<'_, {integer}>>`
= note: required by `into_iter`
error: aborting due to previous error

1
src/test/ui/suggestions/suggest-remove-refs-3.stderr
View File

@ -12,6 +12,7 @@ LL | | .enumerate() {
| |_____________________^ `&&&&&Enumerate<std::slice::Iter<'_, {integer}>>` is not an iterator
|
= help: the trait `Iterator` is not implemented for `&&&&&Enumerate<std::slice::Iter<'_, {integer}>>`
= note: required because of the requirements on the impl of `IntoIterator` for `&&&&&Enumerate<std::slice::Iter<'_, {integer}>>`
= note: required by `into_iter`
error: aborting due to previous error

2
src/test/ui/traits/check-trait-object-bounds-1.rs
View File

@ -10,5 +10,5 @@ fn f<T: X + ?Sized>() {
fn main() {
f::<dyn X<Y = str>>();
//~^ ERROR the trait bound `str: std::clone::Clone` is not satisfied
//~^ ERROR the trait bound `str: Clone` is not satisfied
}

4
src/test/ui/traits/check-trait-object-bounds-1.stderr
View File

@ -1,11 +1,11 @@
error[E0277]: the trait bound `str: std::clone::Clone` is not satisfied
error[E0277]: the trait bound `str: Clone` is not satisfied
--> $DIR/check-trait-object-bounds-1.rs:12:5
|
LL | fn f<T: X + ?Sized>() {
| - required by this bound in `f`
...
LL | f::<dyn X<Y = str>>();
| ^^^^^^^^^^^^^^^^^^^ the trait `std::clone::Clone` is not implemented for `str`
| ^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str`
error: aborting due to previous error

2
src/test/ui/traits/check-trait-object-bounds-2.rs
View File

@ -11,5 +11,5 @@ fn f<T: for<'r> X<'r> + ?Sized>() {
fn main() {
f::<dyn for<'x> X<'x, F = i32>>();
//~^ expected a `std::ops::FnOnce<(&i32,)>` closure, found `i32`
//~^ expected a `FnOnce<(&i32,)>` closure, found `i32`
}

4
src/test/ui/traits/check-trait-object-bounds-2.stderr
View File

@ -1,4 +1,4 @@
error[E0277]: expected a `std::ops::FnOnce<(&i32,)>` closure, found `i32`
error[E0277]: expected a `FnOnce<(&i32,)>` closure, found `i32`
--> $DIR/check-trait-object-bounds-2.rs:13:5
|
LL | fn f<T: for<'r> X<'r> + ?Sized>() {
@ -7,7 +7,7 @@ LL | fn f<T: for<'r> X<'r> + ?Sized>() {
LL | f::<dyn for<'x> X<'x, F = i32>>();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected an `FnOnce<(&i32,)>` closure, found `i32`
|
= help: the trait `for<'r> std::ops::FnOnce<(&'r i32,)>` is not implemented for `i32`
= help: the trait `for<'r> FnOnce<(&'r i32,)>` is not implemented for `i32`
error: aborting due to previous error

2
src/test/ui/traits/check-trait-object-bounds-4.rs
View File

@ -13,5 +13,5 @@ fn f<T: X + ?Sized>() {
fn main() {
f::<dyn X<Y = str>>();
//~^ ERROR the trait bound `str: std::clone::Clone` is not satisfied
//~^ ERROR the trait bound `str: Clone` is not satisfied
}

4
src/test/ui/traits/check-trait-object-bounds-4.stderr
View File

@ -1,11 +1,11 @@
error[E0277]: the trait bound `str: std::clone::Clone` is not satisfied
error[E0277]: the trait bound `str: Clone` is not satisfied
--> $DIR/check-trait-object-bounds-4.rs:15:5
|
LL | fn f<T: X + ?Sized>() {
| - required by this bound in `f`
...
LL | f::<dyn X<Y = str>>();
| ^^^^^^^^^^^^^^^^^^^ the trait `std::clone::Clone` is not implemented for `str`
| ^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str`
error: aborting due to previous error

24
src/test/ui/traits/cycle-cache-err-60010.stderr
View File

@ -1,4 +1,4 @@
error[E0275]: overflow evaluating the requirement `SalsaStorage: std::panic::RefUnwindSafe`
error[E0275]: overflow evaluating the requirement `SalsaStorage: RefUnwindSafe`
--> $DIR/cycle-cache-err-60010.rs:69:5
|
LL | fn parse(&self) {
@ -8,28 +8,12 @@ LL | SourceDatabase::parse(db);
| ^^^^^^^^^^^^^^^^^^^^^
|
= note: required because it appears within the type `*const SalsaStorage`
= note: required because it appears within the type `std::ptr::Unique<SalsaStorage>`
= note: required because it appears within the type `std::boxed::Box<SalsaStorage>`
= note: required because it appears within the type `Unique<SalsaStorage>`
= note: required because it appears within the type `Box<SalsaStorage>`
= note: required because it appears within the type `Runtime<RootDatabase>`
= note: required because it appears within the type `RootDatabase`
= note: required because of the requirements on the impl of `SourceDatabase` for `RootDatabase`
error[E0275]: overflow evaluating the requirement `Runtime<RootDatabase>: RefUnwindSafe`
--> $DIR/cycle-cache-err-60010.rs:31:20
|
LL | trait Database {
| -------- required by a bound in this
LL | type Storage;
| ------------- required by this bound in `Database`
...
LL | type Storage = SalsaStorage;
| ^^^^^^^^^^^^
|
= note: required because it appears within the type `RootDatabase`
= note: required because of the requirements on the impl of `SourceDatabase` for `RootDatabase`
= note: required because of the requirements on the impl of `Query<RootDatabase>` for `ParseQuery`
= note: required because it appears within the type `SalsaStorage`
error: aborting due to 2 previous errors
error: aborting due to previous error
For more information about this error, try `rustc --explain E0275`.

4
src/test/ui/traits/traits-inductive-overflow-two-traits.stderr
View File

@ -9,8 +9,8 @@ LL | type X = Self;
|
help: consider further restricting this bound
|
LL | impl<T: Magic + std::marker::Sync> Magic for T {
| ^^^^^^^^^^^^^^^^^^^
LL | impl<T: Magic + Sync> Magic for T {
| ^^^^^^
error[E0275]: overflow evaluating the requirement `*mut (): Magic`
--> $DIR/traits-inductive-overflow-two-traits.rs:20:5

4
src/test/ui/try-block/try-block-bad-type.rs
View File

@ -14,7 +14,9 @@ pub fn main() {
let res: Result<i32, i32> = try { }; //~ ERROR type mismatch
let res: () = try { }; //~ the trait bound `(): Try` is not satisfied
let res: () = try { };
//~^ ERROR the trait bound `(): Try` is not satisfied
//~| ERROR the trait bound `(): Try` is not satisfied
let res: i32 = try { 5 }; //~ ERROR the trait bound `i32: Try` is not satisfied
}

14
src/test/ui/try-block/try-block-bad-type.stderr
View File

@ -26,18 +26,24 @@ LL | let res: Result<i32, i32> = try { };
| ^ expected `i32`, found `()`
error[E0277]: the trait bound `(): Try` is not satisfied
--> $DIR/try-block-bad-type.rs:17:23
--> $DIR/try-block-bad-type.rs:17:25
|
LL | let res: () = try { };
| ^^^ the trait `Try` is not implemented for `()`
| ^ the trait `Try` is not implemented for `()`
|
= note: required by `from_ok`
error[E0277]: the trait bound `(): Try` is not satisfied
--> $DIR/try-block-bad-type.rs:17:25
|
LL | let res: () = try { };
| ^ the trait `Try` is not implemented for `()`
error[E0277]: the trait bound `i32: Try` is not satisfied
--> $DIR/try-block-bad-type.rs:19:24
--> $DIR/try-block-bad-type.rs:21:26
|
LL | let res: i32 = try { 5 };
| ^^^^^ the trait `Try` is not implemented for `i32`
| ^ the trait `Try` is not implemented for `i32`
|
= note: required by `from_ok`

4
src/test/ui/try-block/try-block-in-while.stderr
View File

@ -1,8 +1,8 @@
error[E0277]: the trait bound `bool: Try` is not satisfied
--> $DIR/try-block-in-while.rs:6:15
--> $DIR/try-block-in-while.rs:6:17
|
LL | while try { false } {}
| ^^^^^^^^^ the trait `Try` is not implemented for `bool`
| ^^^^^ the trait `Try` is not implemented for `bool`
|
= note: required by `from_ok`

4
src/test/ui/type-alias-impl-trait/bounds-are-checked-2.rs
View File

@ -4,13 +4,13 @@
#![feature(type_alias_impl_trait)]
type X<T> = impl Clone;
//~^ ERROR the trait bound `T: std::clone::Clone` is not satisfied
//~^ ERROR the trait bound `T: Clone` is not satisfied
fn f<T: Clone>(t: T) -> X<T> {
t
}
fn g<T>(o : Option<X<T>>) -> Option<X<T>> {
fn g<T>(o: Option<X<T>>) -> Option<X<T>> {
o.clone()
}

8
src/test/ui/type-alias-impl-trait/bounds-are-checked-2.stderr
View File

@ -1,13 +1,13 @@
error[E0277]: the trait bound `T: std::clone::Clone` is not satisfied
error[E0277]: the trait bound `T: Clone` is not satisfied
--> $DIR/bounds-are-checked-2.rs:6:13
|
LL | type X<T> = impl Clone;
| ^^^^^^^^^^ the trait `std::clone::Clone` is not implemented for `T`
| ^^^^^^^^^^ the trait `Clone` is not implemented for `T`
|
help: consider restricting type parameter `T`
|
LL | type X<T: std::clone::Clone> = impl Clone;
| ^^^^^^^^^^^^^^^^^^^
LL | type X<T: Clone> = impl Clone;
| ^^^^^^^
error: aborting due to previous error

4
src/test/ui/type-alias-impl-trait/bounds-are-checked.stderr
View File

@ -12,8 +12,8 @@ error[E0308]: mismatched types
LL | type X<'a> = impl Into<&'static str> + From<&'a str>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
|
= note: expected trait `std::convert::From<&'a str>`
found trait `std::convert::From<&'static str>`
= note: expected trait `From<&'a str>`
found trait `From<&'static str>`
note: the lifetime `'a` as defined on the item at 6:8...
--> $DIR/bounds-are-checked.rs:6:8
|

4
src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.rs
View File

@ -6,12 +6,14 @@ fn main() {}
// test that unused generic parameters are ok
type Two<T, U> = impl Debug;
//~^ ERROR `T` doesn't implement `Debug`
//~| ERROR `U` doesn't implement `Debug`
fn two<T: Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
(t, u)
}
fn three<T: Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
//~^ concrete type differs from previous
//~^ concrete type differs from previous
(u, t)
}

31
src/test/ui/type-alias-impl-trait/generic_duplicate_param_use5.stderr
View File

@ -1,14 +1,39 @@
error: concrete type differs from previous defining opaque type use
--> $DIR/generic_duplicate_param_use5.rs:14:1
--> $DIR/generic_duplicate_param_use5.rs:16:1
|
LL | fn three<T: Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(T, U)`, got `(U, T)`
|
note: previous use here
--> $DIR/generic_duplicate_param_use5.rs:10:1
--> $DIR/generic_duplicate_param_use5.rs:12:1
|
LL | fn two<T: Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error
error[E0277]: `T` doesn't implement `Debug`
--> $DIR/generic_duplicate_param_use5.rs:8:18
|
LL | type Two<T, U> = impl Debug;
| ^^^^^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
= note: required because of the requirements on the impl of `Debug` for `(T, U)`
help: consider restricting type parameter `T`
|
LL | type Two<T: Debug, U> = impl Debug;
| ^^^^^^^
error[E0277]: `U` doesn't implement `Debug`
--> $DIR/generic_duplicate_param_use5.rs:8:18
|
LL | type Two<T, U> = impl Debug;
| ^^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
= note: required because of the requirements on the impl of `Debug` for `(T, U)`
help: consider restricting type parameter `U`
|
LL | type Two<T, U: Debug> = impl Debug;
| ^^^^^^^
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0277`.

3
src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.rs
View File

@ -6,12 +6,13 @@ fn main() {}
// test that unused generic parameters are ok
type Two<T, U> = impl Debug;
//~^ ERROR `T` doesn't implement `Debug`
fn two<T: Copy + Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
(t, t)
}
fn three<T: Copy + Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
//~^ concrete type differs from previous
//~^ ERROR concrete type differs from previous
(u, t)
}

19
src/test/ui/type-alias-impl-trait/generic_duplicate_param_use6.stderr
View File

@ -1,14 +1,27 @@
error: concrete type differs from previous defining opaque type use
--> $DIR/generic_duplicate_param_use6.rs:14:1
--> $DIR/generic_duplicate_param_use6.rs:15:1
|
LL | fn three<T: Copy + Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(T, T)`, got `(U, T)`
|
note: previous use here
--> $DIR/generic_duplicate_param_use6.rs:10:1
--> $DIR/generic_duplicate_param_use6.rs:11:1
|
LL | fn two<T: Copy + Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error
error[E0277]: `T` doesn't implement `Debug`
--> $DIR/generic_duplicate_param_use6.rs:8:18
|
LL | type Two<T, U> = impl Debug;
| ^^^^^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
= note: required because of the requirements on the impl of `Debug` for `(T, T)`
help: consider restricting type parameter `T`
|
LL | type Two<T: Debug, U> = impl Debug;
| ^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.

3
src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.rs
View File

@ -5,12 +5,13 @@ use std::fmt::Debug;
fn main() {}
type Two<T, U> = impl Debug;
//~^ ERROR `T` doesn't implement `Debug`
fn two<T: Debug, U: Debug>(t: T, _: U) -> Two<T, U> {
(t, 4u32)
}
fn three<T: Debug, U: Debug>(_: T, u: U) -> Two<T, U> {
//~^ concrete type differs from previous
//~^ concrete type differs from previous
(u, 4u32)
}

19
src/test/ui/type-alias-impl-trait/generic_duplicate_param_use8.stderr
View File

@ -1,14 +1,27 @@
error: concrete type differs from previous defining opaque type use
--> $DIR/generic_duplicate_param_use8.rs:13:1
--> $DIR/generic_duplicate_param_use8.rs:14:1
|
LL | fn three<T: Debug, U: Debug>(_: T, u: U) -> Two<T, U> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(T, u32)`, got `(U, u32)`
|
note: previous use here
--> $DIR/generic_duplicate_param_use8.rs:9:1
--> $DIR/generic_duplicate_param_use8.rs:10:1
|
LL | fn two<T: Debug, U: Debug>(t: T, _: U) -> Two<T, U> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error
error[E0277]: `T` doesn't implement `Debug`
--> $DIR/generic_duplicate_param_use8.rs:7:18
|
LL | type Two<T, U> = impl Debug;
| ^^^^^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
= note: required because of the requirements on the impl of `Debug` for `(T, u32)`
help: consider restricting type parameter `T`
|
LL | type Two<T: Debug, U> = impl Debug;
| ^^^^^^^
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.

3
src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.rs
View File

@ -5,6 +5,9 @@ use std::fmt::Debug;
fn main() {}
type Two<A, B> = impl Debug;
//~^ ERROR the trait bound `A: Foo` is not satisfied in `(A, B, <A as Foo>::Bar)`
//~| ERROR `A` doesn't implement `Debug`
//~| ERROR `B` doesn't implement `Debug`
trait Foo {
type Bar: Debug;

43
src/test/ui/type-alias-impl-trait/generic_duplicate_param_use9.stderr
View File

@ -1,14 +1,51 @@
error: concrete type differs from previous defining opaque type use
--> $DIR/generic_duplicate_param_use9.rs:18:1
--> $DIR/generic_duplicate_param_use9.rs:21:1
|
LL | fn three<T: Debug, U: Debug>(t: T, u: U) -> Two<T, U> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(A, B, <A as Foo>::Bar)`, got `(A, B, i32)`
|
note: previous use here
--> $DIR/generic_duplicate_param_use9.rs:14:1
--> $DIR/generic_duplicate_param_use9.rs:17:1
|
LL | fn two<T: Debug + Foo, U: Debug>(t: T, u: U) -> Two<T, U> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error
error[E0277]: the trait bound `A: Foo` is not satisfied in `(A, B, <A as Foo>::Bar)`
--> $DIR/generic_duplicate_param_use9.rs:7:18
|
LL | type Two<A, B> = impl Debug;
| ^^^^^^^^^^ within `(A, B, <A as Foo>::Bar)`, the trait `Foo` is not implemented for `A`
|
= note: required because it appears within the type `(A, B, <A as Foo>::Bar)`
help: consider restricting type parameter `A`
|
LL | type Two<A: Foo, B> = impl Debug;
| ^^^^^
error[E0277]: `A` doesn't implement `Debug`
--> $DIR/generic_duplicate_param_use9.rs:7:18
|
LL | type Two<A, B> = impl Debug;
| ^^^^^^^^^^ `A` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
= note: required because of the requirements on the impl of `Debug` for `(A, B, <A as Foo>::Bar)`
help: consider restricting type parameter `A`
|
LL | type Two<A: Debug, B> = impl Debug;
| ^^^^^^^
error[E0277]: `B` doesn't implement `Debug`
--> $DIR/generic_duplicate_param_use9.rs:7:18
|
LL | type Two<A, B> = impl Debug;
| ^^^^^^^^^^ `B` cannot be formatted using `{:?}` because it doesn't implement `Debug`
|
= note: required because of the requirements on the impl of `Debug` for `(A, B, <A as Foo>::Bar)`
help: consider restricting type parameter `B`
|
LL | type Two<A, B: Debug> = impl Debug;
| ^^^^^^^
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0277`.

3
src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs
View File

@ -8,7 +8,8 @@ fn main() {
type WrongGeneric<T> = impl 'static;
//~^ ERROR the parameter type `T` may not live long enough
//~^^ ERROR: at least one trait must be specified
//~| ERROR the parameter type `T` may not live long enough
//~| ERROR: at least one trait must be specified
fn wrong_generic<T>(t: T) -> WrongGeneric<T> {
t

11
src/test/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.stderr
View File

@ -27,7 +27,16 @@ LL | type WrongGeneric<T> = impl 'static;
LL | fn wrong_generic<T>(t: T) -> WrongGeneric<T> {
| - help: consider adding an explicit lifetime bound...: `T: 'static`
error: aborting due to 3 previous errors
error[E0310]: the parameter type `T` may not live long enough
--> $DIR/generic_type_does_not_live_long_enough.rs:9:24
|
LL | type WrongGeneric<T> = impl 'static;
| ^^^^^^^^^^^^
|
= help: consider adding an explicit lifetime bound `T: 'static`...
= note: ...so that the type `T` will meet its required lifetime bounds
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0308, E0310.
For more information about an error, try `rustc --explain E0308`.

4
src/test/ui/type-alias-impl-trait/issue-57611-trait-alias.rs
View File

@ -16,6 +16,10 @@ struct X;
impl Foo for X {
type Bar = impl Baz<Self, Self>;
//~^ ERROR mismatched types
//~| ERROR mismatched types
//~| ERROR mismatched types
//~| ERROR mismatched types
//~| ERROR mismatched types
fn bar(&self) -> Self::Bar {
|x| x

38
src/test/ui/type-alias-impl-trait/issue-57611-trait-alias.stderr
View File

@ -7,6 +7,42 @@ LL | type Bar = impl Baz<Self, Self>;
= note: expected type `FnOnce<(&X,)>`
found type `FnOnce<(&X,)>`
error: aborting due to previous error
error[E0308]: mismatched types
--> $DIR/issue-57611-trait-alias.rs:17:16
|
LL | type Bar = impl Baz<Self, Self>;
| ^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
|
= note: expected type `for<'r> Fn<(&'r X,)>`
found type `Fn<(&'<empty> X,)>`
error[E0308]: mismatched types
--> $DIR/issue-57611-trait-alias.rs:17:16
|
LL | type Bar = impl Baz<Self, Self>;
| ^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
|
= note: expected type `FnOnce<(&X,)>`
found type `FnOnce<(&'<empty> X,)>`
error[E0308]: mismatched types
--> $DIR/issue-57611-trait-alias.rs:17:16
|
LL | type Bar = impl Baz<Self, Self>;
| ^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
|
= note: expected type `for<'r> Fn<(&'r X,)>`
found type `Fn<(&'<empty> X,)>`
error[E0308]: mismatched types
--> $DIR/issue-57611-trait-alias.rs:17:16
|
LL | type Bar = impl Baz<Self, Self>;
| ^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
|
= note: expected type `FnOnce<(&X,)>`
found type `FnOnce<(&'<empty> X,)>`
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0308`.

1
src/test/ui/ufcs/ufcs-qpath-self-mismatch.stderr
View File

@ -5,6 +5,7 @@ LL | <i32 as Add<u32>>::add(1, 2);
| ^^^^^^^^^^^^^^^^^^^^^^ no implementation for `i32 + u32`
|
= help: the trait `Add<u32>` is not implemented for `i32`
= note: required by `add`
error[E0308]: mismatched types
--> $DIR/ufcs-qpath-self-mismatch.rs:6:28