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Continue compilation even if inherent impl checks fail

This commit is contained in:
Oli Scherer 2024-02-14 21:04:51 +00:00
parent ee9c7c940c
commit c1bb352c8b
13 changed files with 244 additions and 60 deletions
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5
compiler/rustc_hir_analysis/src/lib.rs
View File

@ -178,8 +178,9 @@ pub fn check_crate(tcx: TyCtxt<'_>) -> Result<(), ErrorGuaranteed> {
let _ = tcx.ensure().coherent_trait(trait_def_id);
}
// these queries are executed for side-effects (error reporting):
res.and(tcx.ensure().crate_inherent_impls(()))
.and(tcx.ensure().crate_inherent_impls_overlap_check(()))
let _ = tcx.ensure().crate_inherent_impls(());
let _ = tcx.ensure().crate_inherent_impls_overlap_check(());
res
})?;
if tcx.features().rustc_attrs {

1
tests/ui/const-generics/wrong-normalization.rs
View File

@ -15,5 +15,6 @@ pub struct I8<const F: i8>;
impl <I8<{i8::MIN}> as Identity>::Identity {
//~^ ERROR no nominal type found for inherent implementation
//~| ERROR no associated item named `MIN` found for type `i8`
pub fn foo(&self) {}
}

16
tests/ui/const-generics/wrong-normalization.stderr
View File

@ -6,6 +6,18 @@ LL | impl <I8<{i8::MIN}> as Identity>::Identity {
|
= note: either implement a trait on it or create a newtype to wrap it instead
error: aborting due to 1 previous error
error[E0599]: no associated item named `MIN` found for type `i8` in the current scope
--> $DIR/wrong-normalization.rs:16:15
|
LL | impl <I8<{i8::MIN}> as Identity>::Identity {
| ^^^ associated item not found in `i8`
|
help: you are looking for the module in `std`, not the primitive type
|
LL | impl <I8<{std::i8::MIN}> as Identity>::Identity {
| +++++
For more information about this error, try `rustc --explain E0118`.
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0118, E0599.
For more information about an error, try `rustc --explain E0118`.

6
tests/ui/impl-trait/where-allowed.rs
View File

@ -44,6 +44,7 @@ fn in_dyn_Fn_parameter_in_return() -> &'static dyn Fn(impl Debug) { panic!() }
// Allowed
fn in_dyn_Fn_return_in_return() -> &'static dyn Fn() -> impl Debug { panic!() }
//~^ ERROR: type annotations needed
// Disallowed
fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() }
@ -58,9 +59,11 @@ fn in_impl_Fn_return_in_parameters(_: &impl Fn() -> impl Debug) { panic!() }
fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() }
//~^ ERROR `impl Trait` is not allowed in the parameters of `Fn` trait bounds
//~| ERROR nested `impl Trait` is not allowed
//~| ERROR: type annotations needed
// Allowed
fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { panic!() }
//~^ ERROR: type annotations needed
// Disallowed
fn in_Fn_parameter_in_generics<F: Fn(impl Debug)> (_: F) { panic!() }
@ -77,6 +80,7 @@ fn in_impl_Trait_in_parameters(_: impl Iterator<Item = impl Iterator>) { panic!(
// Allowed
fn in_impl_Trait_in_return() -> impl IntoIterator<Item = impl IntoIterator> {
vec![vec![0; 10], vec![12; 7], vec![8; 3]]
//~^ ERROR: no function or associated item named `into_vec` found for slice `[_]`
}
// Disallowed
@ -118,11 +122,13 @@ trait DummyTrait {
impl DummyTrait for () {
type Out = impl Debug;
//~^ ERROR `impl Trait` in associated types is unstable
//~| ERROR unconstrained opaque type
fn in_trait_impl_parameter(_: impl Debug) { }
// Allowed
fn in_trait_impl_return() -> impl Debug { () }
//~^ ERROR `in_trait_impl_return` has an incompatible type for trait
// Allowed
}

145
tests/ui/impl-trait/where-allowed.stderr
View File

@ -1,5 +1,5 @@
error[E0666]: nested `impl Trait` is not allowed
--> $DIR/where-allowed.rs:49:51
--> $DIR/where-allowed.rs:50:51
|
LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() }
| --------^^^^^^^^^^-
@ -8,7 +8,7 @@ LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() }
| outer `impl Trait`
error[E0666]: nested `impl Trait` is not allowed
--> $DIR/where-allowed.rs:58:57
--> $DIR/where-allowed.rs:59:57
|
LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() }
| --------^^^^^^^^^^-
@ -17,7 +17,7 @@ LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic
| outer `impl Trait`
error[E0658]: `impl Trait` in associated types is unstable
--> $DIR/where-allowed.rs:119:16
--> $DIR/where-allowed.rs:123:16
|
LL | type Out = impl Debug;
| ^^^^^^^^^^
@ -27,7 +27,7 @@ LL | type Out = impl Debug;
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/where-allowed.rs:154:23
--> $DIR/where-allowed.rs:160:23
|
LL | type InTypeAlias<R> = impl Debug;
| ^^^^^^^^^^
@ -37,7 +37,7 @@ LL | type InTypeAlias<R> = impl Debug;
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: `impl Trait` in type aliases is unstable
--> $DIR/where-allowed.rs:157:39
--> $DIR/where-allowed.rs:163:39
|
LL | type InReturnInTypeAlias<R> = fn() -> impl Debug;
| ^^^^^^^^^^
@ -103,7 +103,7 @@ LL | fn in_dyn_Fn_parameter_in_return() -> &'static dyn Fn(impl Debug) { panic!(
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in the parameters of `Fn` trait bounds
--> $DIR/where-allowed.rs:49:51
--> $DIR/where-allowed.rs:50:51
|
LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() }
| ^^^^^^^^^^
@ -111,7 +111,7 @@ LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() }
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in the return type of `Fn` trait bounds
--> $DIR/where-allowed.rs:54:53
--> $DIR/where-allowed.rs:55:53
|
LL | fn in_impl_Fn_return_in_parameters(_: &impl Fn() -> impl Debug) { panic!() }
| ^^^^^^^^^^
@ -119,7 +119,7 @@ LL | fn in_impl_Fn_return_in_parameters(_: &impl Fn() -> impl Debug) { panic!()
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in the parameters of `Fn` trait bounds
--> $DIR/where-allowed.rs:58:57
--> $DIR/where-allowed.rs:59:57
|
LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() }
| ^^^^^^^^^^
@ -127,7 +127,7 @@ LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in the parameters of `Fn` trait bounds
--> $DIR/where-allowed.rs:66:38
--> $DIR/where-allowed.rs:69:38
|
LL | fn in_Fn_parameter_in_generics<F: Fn(impl Debug)> (_: F) { panic!() }
| ^^^^^^^^^^
@ -135,7 +135,7 @@ LL | fn in_Fn_parameter_in_generics<F: Fn(impl Debug)> (_: F) { panic!() }
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in the return type of `Fn` trait bounds
--> $DIR/where-allowed.rs:70:40
--> $DIR/where-allowed.rs:73:40
|
LL | fn in_Fn_return_in_generics<F: Fn() -> impl Debug> (_: F) { panic!() }
| ^^^^^^^^^^
@ -143,7 +143,7 @@ LL | fn in_Fn_return_in_generics<F: Fn() -> impl Debug> (_: F) { panic!() }
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in field types
--> $DIR/where-allowed.rs:83:32
--> $DIR/where-allowed.rs:87:32
|
LL | struct InBraceStructField { x: impl Debug }
| ^^^^^^^^^^
@ -151,7 +151,7 @@ LL | struct InBraceStructField { x: impl Debug }
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in field types
--> $DIR/where-allowed.rs:87:41
--> $DIR/where-allowed.rs:91:41
|
LL | struct InAdtInBraceStructField { x: Vec<impl Debug> }
| ^^^^^^^^^^
@ -159,7 +159,7 @@ LL | struct InAdtInBraceStructField { x: Vec<impl Debug> }
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in field types
--> $DIR/where-allowed.rs:91:27
--> $DIR/where-allowed.rs:95:27
|
LL | struct InTupleStructField(impl Debug);
| ^^^^^^^^^^
@ -167,7 +167,7 @@ LL | struct InTupleStructField(impl Debug);
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in field types
--> $DIR/where-allowed.rs:96:25
--> $DIR/where-allowed.rs:100:25
|
LL | InBraceVariant { x: impl Debug },
| ^^^^^^^^^^
@ -175,7 +175,7 @@ LL | InBraceVariant { x: impl Debug },
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in field types
--> $DIR/where-allowed.rs:98:20
--> $DIR/where-allowed.rs:102:20
|
LL | InTupleVariant(impl Debug),
| ^^^^^^^^^^
@ -183,7 +183,7 @@ LL | InTupleVariant(impl Debug),
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in `extern fn` parameters
--> $DIR/where-allowed.rs:138:33
--> $DIR/where-allowed.rs:144:33
|
LL | fn in_foreign_parameters(_: impl Debug);
| ^^^^^^^^^^
@ -191,7 +191,7 @@ LL | fn in_foreign_parameters(_: impl Debug);
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in `extern fn` return types
--> $DIR/where-allowed.rs:141:31
--> $DIR/where-allowed.rs:147:31
|
LL | fn in_foreign_return() -> impl Debug;
| ^^^^^^^^^^
@ -199,7 +199,7 @@ LL | fn in_foreign_return() -> impl Debug;
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in `fn` pointer return types
--> $DIR/where-allowed.rs:157:39
--> $DIR/where-allowed.rs:163:39
|
LL | type InReturnInTypeAlias<R> = fn() -> impl Debug;
| ^^^^^^^^^^
@ -207,7 +207,7 @@ LL | type InReturnInTypeAlias<R> = fn() -> impl Debug;
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in traits
--> $DIR/where-allowed.rs:162:16
--> $DIR/where-allowed.rs:168:16
|
LL | impl PartialEq<impl Debug> for () {
| ^^^^^^^^^^
@ -215,7 +215,7 @@ LL | impl PartialEq<impl Debug> for () {
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in impl headers
--> $DIR/where-allowed.rs:167:24
--> $DIR/where-allowed.rs:173:24
|
LL | impl PartialEq<()> for impl Debug {
| ^^^^^^^^^^
@ -223,7 +223,7 @@ LL | impl PartialEq<()> for impl Debug {
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in impl headers
--> $DIR/where-allowed.rs:172:6
--> $DIR/where-allowed.rs:178:6
|
LL | impl impl Debug {
| ^^^^^^^^^^
@ -231,7 +231,7 @@ LL | impl impl Debug {
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in impl headers
--> $DIR/where-allowed.rs:178:24
--> $DIR/where-allowed.rs:184:24
|
LL | impl InInherentImplAdt<impl Debug> {
| ^^^^^^^^^^
@ -239,7 +239,7 @@ LL | impl InInherentImplAdt<impl Debug> {
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in bounds
--> $DIR/where-allowed.rs:184:11
--> $DIR/where-allowed.rs:190:11
|
LL | where impl Debug: Debug
| ^^^^^^^^^^
@ -247,7 +247,7 @@ LL | where impl Debug: Debug
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in bounds
--> $DIR/where-allowed.rs:191:15
--> $DIR/where-allowed.rs:197:15
|
LL | where Vec<impl Debug>: Debug
| ^^^^^^^^^^
@ -255,7 +255,7 @@ LL | where Vec<impl Debug>: Debug
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in bounds
--> $DIR/where-allowed.rs:198:24
--> $DIR/where-allowed.rs:204:24
|
LL | where T: PartialEq<impl Debug>
| ^^^^^^^^^^
@ -263,7 +263,7 @@ LL | where T: PartialEq<impl Debug>
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in the parameters of `Fn` trait bounds
--> $DIR/where-allowed.rs:205:17
--> $DIR/where-allowed.rs:211:17
|
LL | where T: Fn(impl Debug)
| ^^^^^^^^^^
@ -271,7 +271,7 @@ LL | where T: Fn(impl Debug)
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in the return type of `Fn` trait bounds
--> $DIR/where-allowed.rs:212:22
--> $DIR/where-allowed.rs:218:22
|
LL | where T: Fn() -> impl Debug
| ^^^^^^^^^^
@ -279,7 +279,7 @@ LL | where T: Fn() -> impl Debug
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in generic parameter defaults
--> $DIR/where-allowed.rs:218:40
--> $DIR/where-allowed.rs:224:40
|
LL | struct InStructGenericParamDefault<T = impl Debug>(T);
| ^^^^^^^^^^
@ -287,7 +287,7 @@ LL | struct InStructGenericParamDefault<T = impl Debug>(T);
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in generic parameter defaults
--> $DIR/where-allowed.rs:222:36
--> $DIR/where-allowed.rs:228:36
|
LL | enum InEnumGenericParamDefault<T = impl Debug> { Variant(T) }
| ^^^^^^^^^^
@ -295,7 +295,7 @@ LL | enum InEnumGenericParamDefault<T = impl Debug> { Variant(T) }
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in generic parameter defaults
--> $DIR/where-allowed.rs:226:38
--> $DIR/where-allowed.rs:232:38
|
LL | trait InTraitGenericParamDefault<T = impl Debug> {}
| ^^^^^^^^^^
@ -303,7 +303,7 @@ LL | trait InTraitGenericParamDefault<T = impl Debug> {}
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in generic parameter defaults
--> $DIR/where-allowed.rs:230:41
--> $DIR/where-allowed.rs:236:41
|
LL | type InTypeAliasGenericParamDefault<T = impl Debug> = T;
| ^^^^^^^^^^
@ -311,7 +311,7 @@ LL | type InTypeAliasGenericParamDefault<T = impl Debug> = T;
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in generic parameter defaults
--> $DIR/where-allowed.rs:234:11
--> $DIR/where-allowed.rs:240:11
|
LL | impl <T = impl Debug> T {}
| ^^^^^^^^^^
@ -319,7 +319,7 @@ LL | impl <T = impl Debug> T {}
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in generic parameter defaults
--> $DIR/where-allowed.rs:241:40
--> $DIR/where-allowed.rs:247:40
|
LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {}
| ^^^^^^^^^^
@ -327,7 +327,7 @@ LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {}
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in the type of variable bindings
--> $DIR/where-allowed.rs:247:29
--> $DIR/where-allowed.rs:253:29
|
LL | let _in_local_variable: impl Fn() = || {};
| ^^^^^^^^^
@ -335,7 +335,7 @@ LL | let _in_local_variable: impl Fn() = || {};
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error[E0562]: `impl Trait` is not allowed in closure return types
--> $DIR/where-allowed.rs:249:46
--> $DIR/where-allowed.rs:255:46
|
LL | let _in_return_in_local_variable = || -> impl Fn() { || {} };
| ^^^^^^^^^
@ -343,7 +343,7 @@ LL | let _in_return_in_local_variable = || -> impl Fn() { || {} };
= note: `impl Trait` is only allowed in arguments and return types of functions and methods
error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
--> $DIR/where-allowed.rs:234:7
--> $DIR/where-allowed.rs:240:7
|
LL | impl <T = impl Debug> T {}
| ^^^^^^^^^^^^^^
@ -353,7 +353,7 @@ LL | impl <T = impl Debug> T {}
= note: `#[deny(invalid_type_param_default)]` on by default
error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
--> $DIR/where-allowed.rs:241:36
--> $DIR/where-allowed.rs:247:36
|
LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {}
| ^^^^^^^^^^^^^^
@ -362,14 +362,77 @@ LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {}
= note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
error[E0118]: no nominal type found for inherent implementation
--> $DIR/where-allowed.rs:234:1
--> $DIR/where-allowed.rs:240:1
|
LL | impl <T = impl Debug> T {}
| ^^^^^^^^^^^^^^^^^^^^^^^ impl requires a nominal type
|
= note: either implement a trait on it or create a newtype to wrap it instead
error: aborting due to 45 previous errors
error[E0283]: type annotations needed
--> $DIR/where-allowed.rs:46:57
|
LL | fn in_dyn_Fn_return_in_return() -> &'static dyn Fn() -> impl Debug { panic!() }
| ^^^^^^^^^^ cannot infer type
|
= note: cannot satisfy `_: Debug`
Some errors have detailed explanations: E0118, E0562, E0658, E0666.
For more information about an error, try `rustc --explain E0118`.
error[E0282]: type annotations needed
--> $DIR/where-allowed.rs:59:49
|
LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() }
| ^^^^^^^^^^^^^^^^^^^ cannot infer type
error[E0283]: type annotations needed
--> $DIR/where-allowed.rs:65:46
|
LL | fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { panic!() }
| ^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
|
= note: multiple `impl`s satisfying `_: Fn()` found in the following crates: `alloc`, `core`:
- impl<A, F> Fn<A> for &F
where A: Tuple, F: Fn<A>, F: ?Sized;
- impl<Args, F, A> Fn<Args> for Box<F, A>
where Args: Tuple, F: Fn<Args>, A: Allocator, F: ?Sized;
error[E0599]: no function or associated item named `into_vec` found for slice `[_]` in the current scope
--> $DIR/where-allowed.rs:82:5
|
LL | vec![vec![0; 10], vec![12; 7], vec![8; 3]]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `[_]`
|
= note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0053]: method `in_trait_impl_return` has an incompatible type for trait
--> $DIR/where-allowed.rs:130:34
|
LL | type Out = impl Debug;
| ---------- the expected opaque type
...
LL | fn in_trait_impl_return() -> impl Debug { () }
| ^^^^^^^^^^
| |
| expected opaque type, found a different opaque type
| help: change the output type to match the trait: `<() as DummyTrait>::Out`
|
note: type in trait
--> $DIR/where-allowed.rs:120:34
|
LL | fn in_trait_impl_return() -> Self::Out;
| ^^^^^^^^^
= note: expected signature `fn() -> <() as DummyTrait>::Out`
found signature `fn() -> impl Debug`
= note: distinct uses of `impl Trait` result in different opaque types
error: unconstrained opaque type
--> $DIR/where-allowed.rs:123:16
|
LL | type Out = impl Debug;
| ^^^^^^^^^^
|
= note: `Out` must be used in combination with a concrete type within the same impl
error: aborting due to 51 previous errors
Some errors have detailed explanations: E0053, E0118, E0282, E0283, E0562, E0599, E0658, E0666.
For more information about an error, try `rustc --explain E0053`.

1
tests/ui/issues/issue-4265.rs
View File

@ -5,6 +5,7 @@ struct Foo {
impl Foo {
fn bar() {
Foo { baz: 0 }.bar();
//~^ ERROR: no method named `bar` found
}
fn bar() { //~ ERROR duplicate definitions

26
tests/ui/issues/issue-4265.stderr
View File

@ -1,5 +1,5 @@
error[E0592]: duplicate definitions with name `bar`
--> $DIR/issue-4265.rs:10:5
--> $DIR/issue-4265.rs:11:5
|
LL | fn bar() {
| -------- other definition for `bar`
@ -7,6 +7,26 @@ LL | fn bar() {
LL | fn bar() {
| ^^^^^^^^ duplicate definitions for `bar`
error: aborting due to 1 previous error
error[E0599]: no method named `bar` found for struct `Foo` in the current scope
--> $DIR/issue-4265.rs:7:24
|
LL | struct Foo {
| ---------- method `bar` not found for this struct
...
LL | Foo { baz: 0 }.bar();
| ---------------^^^--
| | |
| | this is an associated function, not a method
| help: use associated function syntax instead: `Foo::bar()`
|
= note: found the following associated functions; to be used as methods, functions must have a `self` parameter
note: the candidate is defined in an impl for the type `Foo`
--> $DIR/issue-4265.rs:6:5
|
LL | fn bar() {
| ^^^^^^^^
For more information about this error, try `rustc --explain E0592`.
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0592, E0599.
For more information about an error, try `rustc --explain E0592`.

2
tests/ui/kinds-of-primitive-impl.rs
View File

@ -6,7 +6,7 @@ impl u8 {
impl str {
//~^ error: cannot define inherent `impl` for primitive types
fn foo() {}
fn bar(self) {}
fn bar(self) {} //~ ERROR: size for values of type `str` cannot be known
}
impl char {

18
tests/ui/kinds-of-primitive-impl.stderr
View File

@ -31,6 +31,20 @@ LL | impl &MyType {
= help: consider using an extension trait instead
= note: you could also try moving the reference to uses of `MyType` (such as `self`) within the implementation
error: aborting due to 4 previous errors
error[E0277]: the size for values of type `str` cannot be known at compilation time
--> $DIR/kinds-of-primitive-impl.rs:9:12
|
LL | fn bar(self) {}
| ^^^^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `str`
= help: unsized fn params are gated as an unstable feature
help: function arguments must have a statically known size, borrowed types always have a known size
|
LL | fn bar(&self) {}
| +
For more information about this error, try `rustc --explain E0390`.
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0277, E0390.
For more information about an error, try `rustc --explain E0277`.

2
tests/ui/parser/impl-item-type-no-body-semantic-fail.rs
View File

@ -14,8 +14,10 @@ impl X {
//~^ ERROR associated type in `impl` without body
//~| ERROR bounds on `type`s in `impl`s have no effect
//~| ERROR inherent associated types are unstable
//~| ERROR `X: Eq` is not satisfied
type W where Self: Eq;
//~^ ERROR associated type in `impl` without body
//~| ERROR inherent associated types are unstable
//~| ERROR duplicate definitions
//~| ERROR `X: Eq` is not satisfied
}

40
tests/ui/parser/impl-item-type-no-body-semantic-fail.stderr
View File

@ -35,7 +35,7 @@ LL | type W: Ord where Self: Eq;
| ^^^
error: associated type in `impl` without body
--> $DIR/impl-item-type-no-body-semantic-fail.rs:17:5
--> $DIR/impl-item-type-no-body-semantic-fail.rs:18:5
|
LL | type W where Self: Eq;
| ^^^^^^^^^^^^^^^^^^^^^-
@ -73,7 +73,7 @@ LL | type W: Ord where Self: Eq;
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: inherent associated types are unstable
--> $DIR/impl-item-type-no-body-semantic-fail.rs:17:5
--> $DIR/impl-item-type-no-body-semantic-fail.rs:18:5
|
LL | type W where Self: Eq;
| ^^^^^^^^^^^^^^^^^^^^^^
@ -83,7 +83,7 @@ LL | type W where Self: Eq;
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0592]: duplicate definitions with name `W`
--> $DIR/impl-item-type-no-body-semantic-fail.rs:17:5
--> $DIR/impl-item-type-no-body-semantic-fail.rs:18:5
|
LL | type W: Ord where Self: Eq;
| ------ other definition for `W`
@ -91,7 +91,35 @@ LL | type W: Ord where Self: Eq;
LL | type W where Self: Eq;
| ^^^^^^ duplicate definitions for `W`
error: aborting due to 11 previous errors
error[E0277]: the trait bound `X: Eq` is not satisfied
--> $DIR/impl-item-type-no-body-semantic-fail.rs:13:23
|
LL | type W: Ord where Self: Eq;
| ^^^^^^^^ the trait `Eq` is not implemented for `X`
|
= help: see issue #48214
= help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
help: consider annotating `X` with `#[derive(Eq)]`
|
LL + #[derive(Eq)]
LL | struct X;
|
Some errors have detailed explanations: E0592, E0658.
For more information about an error, try `rustc --explain E0592`.
error[E0277]: the trait bound `X: Eq` is not satisfied
--> $DIR/impl-item-type-no-body-semantic-fail.rs:18:18
|
LL | type W where Self: Eq;
| ^^^^^^^^ the trait `Eq` is not implemented for `X`
|
= help: see issue #48214
= help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
help: consider annotating `X` with `#[derive(Eq)]`
|
LL + #[derive(Eq)]
LL | struct X;
|
error: aborting due to 13 previous errors
Some errors have detailed explanations: E0277, E0592, E0658.
For more information about an error, try `rustc --explain E0277`.

2
tests/ui/traits/issue-33140.rs
View File

@ -43,5 +43,7 @@ fn main() {
assert_eq!(<dyn Send + Sync>::uvw(), false);
assert_eq!(<dyn Sync + Send+ Sync>::uvw(), true);
assert_eq!(<Foo<dyn Send + Sync>>::abc(), false);
//~^ ERROR: multiple applicable items in scope
assert_eq!(<Foo<dyn Sync + Send>>::abc(), true);
//~^ ERROR: multiple applicable items in scope
}

40
tests/ui/traits/issue-33140.stderr
View File

@ -25,7 +25,41 @@ LL | fn abc() -> bool {
LL | fn abc() -> bool {
| ---------------- other definition for `abc`
error: aborting due to 3 previous errors
error[E0034]: multiple applicable items in scope
--> $DIR/issue-33140.rs:45:40
|
LL | assert_eq!(<Foo<dyn Send + Sync>>::abc(), false);
| ^^^ multiple `abc` found
|
note: candidate #1 is defined in an impl for the type `Foo<(dyn Send + Sync + 'static)>`
--> $DIR/issue-33140.rs:29:5
|
LL | fn abc() -> bool {
| ^^^^^^^^^^^^^^^^
note: candidate #2 is defined in an impl for the type `Foo<(dyn Send + Sync + 'static)>`
--> $DIR/issue-33140.rs:35:5
|
LL | fn abc() -> bool {
| ^^^^^^^^^^^^^^^^
Some errors have detailed explanations: E0119, E0592.
For more information about an error, try `rustc --explain E0119`.
error[E0034]: multiple applicable items in scope
--> $DIR/issue-33140.rs:47:40
|
LL | assert_eq!(<Foo<dyn Sync + Send>>::abc(), true);
| ^^^ multiple `abc` found
|
note: candidate #1 is defined in an impl for the type `Foo<(dyn Send + Sync + 'static)>`
--> $DIR/issue-33140.rs:29:5
|
LL | fn abc() -> bool {
| ^^^^^^^^^^^^^^^^
note: candidate #2 is defined in an impl for the type `Foo<(dyn Send + Sync + 'static)>`
--> $DIR/issue-33140.rs:35:5
|
LL | fn abc() -> bool {
| ^^^^^^^^^^^^^^^^
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0034, E0119, E0592.
For more information about an error, try `rustc --explain E0034`.