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Rollup merge of #100392 - nnethercote:simplify-visitors, r=cjgillot 

Simplify visitors

By removing some unused arguments.

r? `@cjgillot`
This commit is contained in:
Matthias Krüger 2022-08-11 22:53:08 +02:00 committed by GitHub
parent cefcfda6e6 b8b851f42e
commit 8237efc52d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
20 changed files with 60 additions and 180 deletions
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32
compiler/rustc_ast/src/visit.rs
View File

@ -168,8 +168,8 @@ pub trait Visitor<'ast>: Sized {
fn visit_param_bound(&mut self, bounds: &'ast GenericBound, _ctxt: BoundKind) {
walk_param_bound(self, bounds)
}
fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef, m: &'ast TraitBoundModifier) {
walk_poly_trait_ref(self, t, m)
fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef) {
walk_poly_trait_ref(self, t)
}
fn visit_variant_data(&mut self, s: &'ast VariantData) {
walk_struct_def(self, s)
@ -177,14 +177,8 @@ pub trait Visitor<'ast>: Sized {
fn visit_field_def(&mut self, s: &'ast FieldDef) {
walk_field_def(self, s)
}
fn visit_enum_def(
&mut self,
enum_definition: &'ast EnumDef,
generics: &'ast Generics,
item_id: NodeId,
_: Span,
) {
walk_enum_def(self, enum_definition, generics, item_id)
fn visit_enum_def(&mut self, enum_definition: &'ast EnumDef) {
walk_enum_def(self, enum_definition)
}
fn visit_variant(&mut self, v: &'ast Variant) {
walk_variant(self, v)
@ -287,11 +281,8 @@ pub fn walk_lifetime<'a, V: Visitor<'a>>(visitor: &mut V, lifetime: &'a Lifetime
visitor.visit_ident(lifetime.ident);
}
pub fn walk_poly_trait_ref<'a, V>(
visitor: &mut V,
trait_ref: &'a PolyTraitRef,
_: &TraitBoundModifier,
) where
pub fn walk_poly_trait_ref<'a, V>(visitor: &mut V, trait_ref: &'a PolyTraitRef)
where
V: Visitor<'a>,
{
walk_list!(visitor, visit_generic_param, &trait_ref.bound_generic_params);
@ -334,7 +325,7 @@ pub fn walk_item<'a, V: Visitor<'a>>(visitor: &mut V, item: &'a Item) {
}
ItemKind::Enum(ref enum_definition, ref generics) => {
visitor.visit_generics(generics);
visitor.visit_enum_def(enum_definition, generics, item.id, item.span)
visitor.visit_enum_def(enum_definition)
}
ItemKind::Impl(box Impl {
defaultness: _,
@ -377,12 +368,7 @@ pub fn walk_item<'a, V: Visitor<'a>>(visitor: &mut V, item: &'a Item) {
walk_list!(visitor, visit_attribute, &item.attrs);
}
pub fn walk_enum_def<'a, V: Visitor<'a>>(
visitor: &mut V,
enum_definition: &'a EnumDef,
_: &'a Generics,
_: NodeId,
) {
pub fn walk_enum_def<'a, V: Visitor<'a>>(visitor: &mut V, enum_definition: &'a EnumDef) {
walk_list!(visitor, visit_variant, &enum_definition.variants);
}
@ -598,7 +584,7 @@ pub fn walk_foreign_item<'a, V: Visitor<'a>>(visitor: &mut V, item: &'a ForeignI
pub fn walk_param_bound<'a, V: Visitor<'a>>(visitor: &mut V, bound: &'a GenericBound) {
match *bound {
GenericBound::Trait(ref typ, ref modifier) => visitor.visit_poly_trait_ref(typ, modifier),
GenericBound::Trait(ref typ, ref _modifier) => visitor.visit_poly_trait_ref(typ),
GenericBound::Outlives(ref lifetime) => {
visitor.visit_lifetime(lifetime, LifetimeCtxt::Bound)
}

4
compiler/rustc_ast_lowering/src/index.rs
View File

@ -295,14 +295,14 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> {
self.insert(lifetime.span, lifetime.hir_id, Node::Lifetime(lifetime));
}
fn visit_variant(&mut self, v: &'hir Variant<'hir>, g: &'hir Generics<'hir>, item_id: HirId) {
fn visit_variant(&mut self, v: &'hir Variant<'hir>) {
self.insert(v.span, v.id, Node::Variant(v));
self.with_parent(v.id, |this| {
// Register the constructor of this variant.
if let Some(ctor_hir_id) = v.data.ctor_hir_id() {
this.insert(v.span, ctor_hir_id, Node::Ctor(&v.data));
}
intravisit::walk_variant(this, v, g, item_id);
intravisit::walk_variant(this, v);
});
}

9
compiler/rustc_ast_lowering/src/lifetime_collector.rs
View File

@ -1,9 +1,6 @@
use super::ResolverAstLoweringExt;
use rustc_ast::visit::{self, BoundKind, LifetimeCtxt, Visitor};
use rustc_ast::{
FnRetTy, GenericBounds, Lifetime, NodeId, PathSegment, PolyTraitRef, TraitBoundModifier, Ty,
TyKind,
};
use rustc_ast::{FnRetTy, GenericBounds, Lifetime, NodeId, PathSegment, PolyTraitRef, Ty, TyKind};
use rustc_hir::def::LifetimeRes;
use rustc_middle::span_bug;
use rustc_middle::ty::ResolverAstLowering;
@ -71,10 +68,10 @@ impl<'ast> Visitor<'ast> for LifetimeCollectVisitor<'ast> {
visit::walk_path_segment(self, path_span, path_segment);
}
fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef, m: &'ast TraitBoundModifier) {
fn visit_poly_trait_ref(&mut self, t: &'ast PolyTraitRef) {
self.current_binders.push(t.trait_ref.ref_id);
visit::walk_poly_trait_ref(self, t, m);
visit::walk_poly_trait_ref(self, t);
self.current_binders.pop();
}

16
compiler/rustc_ast_passes/src/ast_validation.rs
View File

@ -1536,25 +1536,17 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
visit::walk_param_bound(self, bound)
}
fn visit_poly_trait_ref(&mut self, t: &'a PolyTraitRef, m: &'a TraitBoundModifier) {
fn visit_poly_trait_ref(&mut self, t: &'a PolyTraitRef) {
self.check_late_bound_lifetime_defs(&t.bound_generic_params);
visit::walk_poly_trait_ref(self, t, m);
visit::walk_poly_trait_ref(self, t);
}
fn visit_variant_data(&mut self, s: &'a VariantData) {
self.with_banned_assoc_ty_bound(|this| visit::walk_struct_def(this, s))
}
fn visit_enum_def(
&mut self,
enum_definition: &'a EnumDef,
generics: &'a Generics,
item_id: NodeId,
_: Span,
) {
self.with_banned_assoc_ty_bound(|this| {
visit::walk_enum_def(this, enum_definition, generics, item_id)
})
fn visit_enum_def(&mut self, enum_definition: &'a EnumDef) {
self.with_banned_assoc_ty_bound(|this| visit::walk_enum_def(this, enum_definition))
}
fn visit_fn(&mut self, fk: FnKind<'a>, span: Span, id: NodeId) {

14
compiler/rustc_ast_passes/src/node_count.rs
View File

@ -79,9 +79,9 @@ impl<'ast> Visitor<'ast> for NodeCounter {
self.count += 1;
walk_param_bound(self, bounds)
}
fn visit_poly_trait_ref(&mut self, t: &PolyTraitRef, m: &TraitBoundModifier) {
fn visit_poly_trait_ref(&mut self, t: &PolyTraitRef) {
self.count += 1;
walk_poly_trait_ref(self, t, m)
walk_poly_trait_ref(self, t)
}
fn visit_variant_data(&mut self, s: &VariantData) {
self.count += 1;
@ -91,15 +91,9 @@ impl<'ast> Visitor<'ast> for NodeCounter {
self.count += 1;
walk_field_def(self, s)
}
fn visit_enum_def(
&mut self,
enum_definition: &EnumDef,
generics: &Generics,
item_id: NodeId,
_: Span,
) {
fn visit_enum_def(&mut self, enum_definition: &EnumDef) {
self.count += 1;
walk_enum_def(self, enum_definition, generics, item_id)
walk_enum_def(self, enum_definition)
}
fn visit_variant(&mut self, v: &Variant) {
self.count += 1;

8
compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
View File

@ -383,16 +383,12 @@ fn find_type_parameters(
}
// Place bound generic params on a stack, to extract them when a type is encountered.
fn visit_poly_trait_ref(
&mut self,
trait_ref: &'a ast::PolyTraitRef,
modifier: &'a ast::TraitBoundModifier,
) {
fn visit_poly_trait_ref(&mut self, trait_ref: &'a ast::PolyTraitRef) {
let stack_len = self.bound_generic_params_stack.len();
self.bound_generic_params_stack
.extend(trait_ref.bound_generic_params.clone().into_iter());
visit::walk_poly_trait_ref(self, trait_ref, modifier);
visit::walk_poly_trait_ref(self, trait_ref);
self.bound_generic_params_stack.truncate(stack_len);
}

51
compiler/rustc_hir/src/intravisit.rs
View File

@ -385,30 +385,17 @@ pub trait Visitor<'v>: Sized {
fn visit_poly_trait_ref(&mut self, t: &'v PolyTraitRef<'v>, m: TraitBoundModifier) {
walk_poly_trait_ref(self, t, m)
}
fn visit_variant_data(
&mut self,
s: &'v VariantData<'v>,
_: Symbol,
_: &'v Generics<'v>,
_parent_id: HirId,
_: Span,
) {
fn visit_variant_data(&mut self, s: &'v VariantData<'v>) {
walk_struct_def(self, s)
}
fn visit_field_def(&mut self, s: &'v FieldDef<'v>) {
walk_field_def(self, s)
}
fn visit_enum_def(
&mut self,
enum_definition: &'v EnumDef<'v>,
generics: &'v Generics<'v>,
item_id: HirId,
_: Span,
) {
walk_enum_def(self, enum_definition, generics, item_id)
fn visit_enum_def(&mut self, enum_definition: &'v EnumDef<'v>, item_id: HirId) {
walk_enum_def(self, enum_definition, item_id)
}
fn visit_variant(&mut self, v: &'v Variant<'v>, g: &'v Generics<'v>, item_id: HirId) {
walk_variant(self, v, g, item_id)
fn visit_variant(&mut self, v: &'v Variant<'v>) {
walk_variant(self, v)
}
fn visit_label(&mut self, label: &'v Label) {
walk_label(self, label)
@ -572,7 +559,7 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) {
ItemKind::Enum(ref enum_definition, ref generics) => {
visitor.visit_generics(generics);
// `visit_enum_def()` takes care of visiting the `Item`'s `HirId`.
visitor.visit_enum_def(enum_definition, generics, item.hir_id(), item.span)
visitor.visit_enum_def(enum_definition, item.hir_id())
}
ItemKind::Impl(Impl {
unsafety: _,
@ -595,13 +582,7 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) {
| ItemKind::Union(ref struct_definition, ref generics) => {
visitor.visit_generics(generics);
visitor.visit_id(item.hir_id());
visitor.visit_variant_data(
struct_definition,
item.ident.name,
generics,
item.hir_id(),
item.span,
);
visitor.visit_variant_data(struct_definition);
}
ItemKind::Trait(.., ref generics, bounds, trait_item_refs) => {
visitor.visit_id(item.hir_id());
@ -649,28 +630,16 @@ pub fn walk_use<'v, V: Visitor<'v>>(visitor: &mut V, path: &'v Path<'v>, hir_id:
pub fn walk_enum_def<'v, V: Visitor<'v>>(
visitor: &mut V,
enum_definition: &'v EnumDef<'v>,
generics: &'v Generics<'v>,
item_id: HirId,
) {
visitor.visit_id(item_id);
walk_list!(visitor, visit_variant, enum_definition.variants, generics, item_id);
walk_list!(visitor, visit_variant, enum_definition.variants);
}
pub fn walk_variant<'v, V: Visitor<'v>>(
visitor: &mut V,
variant: &'v Variant<'v>,
generics: &'v Generics<'v>,
parent_item_id: HirId,
) {
pub fn walk_variant<'v, V: Visitor<'v>>(visitor: &mut V, variant: &'v Variant<'v>) {
visitor.visit_ident(variant.ident);
visitor.visit_id(variant.id);
visitor.visit_variant_data(
&variant.data,
variant.ident.name,
generics,
parent_item_id,
variant.span,
);
visitor.visit_variant_data(&variant.data);
walk_list!(visitor, visit_anon_const, &variant.disr_expr);
}

6
compiler/rustc_lint/src/early.rs
View File

@ -233,9 +233,9 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
ast_visit::walk_where_predicate(self, p);
}
fn visit_poly_trait_ref(&mut self, t: &'a ast::PolyTraitRef, m: &'a ast::TraitBoundModifier) {
run_early_pass!(self, check_poly_trait_ref, t, m);
ast_visit::walk_poly_trait_ref(self, t, m);
fn visit_poly_trait_ref(&mut self, t: &'a ast::PolyTraitRef) {
run_early_pass!(self, check_poly_trait_ref, t);
ast_visit::walk_poly_trait_ref(self, t);
}
fn visit_assoc_item(&mut self, item: &'a ast::AssocItem, ctxt: ast_visit::AssocCtxt) {

19
compiler/rustc_lint/src/late.rs
View File

@ -24,7 +24,6 @@ use rustc_hir::intravisit::Visitor;
use rustc_middle::hir::nested_filter;
use rustc_middle::ty::{self, TyCtxt};
use rustc_session::lint::LintPass;
use rustc_span::symbol::Symbol;
use rustc_span::Span;
use std::any::Any;
@ -194,14 +193,7 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas
self.context.cached_typeck_results.set(old_cached_typeck_results);
}
fn visit_variant_data(
&mut self,
s: &'tcx hir::VariantData<'tcx>,
_: Symbol,
_: &'tcx hir::Generics<'tcx>,
_: hir::HirId,
_: Span,
) {
fn visit_variant_data(&mut self, s: &'tcx hir::VariantData<'tcx>) {
lint_callback!(self, check_struct_def, s);
hir_visit::walk_struct_def(self, s);
}
@ -213,15 +205,10 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas
})
}
fn visit_variant(
&mut self,
v: &'tcx hir::Variant<'tcx>,
g: &'tcx hir::Generics<'tcx>,
item_id: hir::HirId,
) {
fn visit_variant(&mut self, v: &'tcx hir::Variant<'tcx>) {
self.with_lint_attrs(v.id, |cx| {
lint_callback!(cx, check_variant, v);
hir_visit::walk_variant(cx, v, g, item_id);
hir_visit::walk_variant(cx, v);
})
}

9
compiler/rustc_lint/src/levels.rs
View File

@ -772,14 +772,9 @@ impl<'tcx> intravisit::Visitor<'tcx> for LintLevelMapBuilder<'tcx> {
})
}
fn visit_variant(
&mut self,
v: &'tcx hir::Variant<'tcx>,
g: &'tcx hir::Generics<'tcx>,
item_id: hir::HirId,
) {
fn visit_variant(&mut self, v: &'tcx hir::Variant<'tcx>) {
self.with_lint_attrs(v.id, |builder| {
intravisit::walk_variant(builder, v, g, item_id);
intravisit::walk_variant(builder, v);
})
}

3
compiler/rustc_lint/src/passes.rs
View File

@ -156,8 +156,7 @@ macro_rules! early_lint_methods {
fn check_generic_arg(a: &ast::GenericArg);
fn check_generic_param(a: &ast::GenericParam);
fn check_generics(a: &ast::Generics);
fn check_poly_trait_ref(a: &ast::PolyTraitRef,
b: &ast::TraitBoundModifier);
fn check_poly_trait_ref(a: &ast::PolyTraitRef);
fn check_fn(a: rustc_ast::visit::FnKind<'_>, c: Span, d_: ast::NodeId);
fn check_trait_item(a: &ast::AssocItem);
fn check_impl_item(a: &ast::AssocItem);

10
compiler/rustc_mir_transform/src/lib.rs
View File

@ -29,7 +29,6 @@ use rustc_middle::mir::visit::Visitor as _;
use rustc_middle::mir::{traversal, Body, ConstQualifs, MirPass, MirPhase, Promoted};
use rustc_middle::ty::query::Providers;
use rustc_middle::ty::{self, TyCtxt, TypeVisitable};
use rustc_span::{Span, Symbol};
#[macro_use]
mod pass_manager;
@ -159,14 +158,7 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet<LocalDefId> {
set: &'a mut FxIndexSet<LocalDefId>,
}
impl<'tcx> Visitor<'tcx> for GatherCtors<'_, 'tcx> {
fn visit_variant_data(
&mut self,
v: &'tcx hir::VariantData<'tcx>,
_: Symbol,
_: &'tcx hir::Generics<'tcx>,
_: hir::HirId,
_: Span,
) {
fn visit_variant_data(&mut self, v: &'tcx hir::VariantData<'tcx>) {
if let hir::VariantData::Tuple(_, hir_id) = *v {
self.set.insert(self.tcx.hir().local_def_id(hir_id));
}

9
compiler/rustc_passes/src/check_attr.rs
View File

@ -2066,14 +2066,9 @@ impl<'tcx> Visitor<'tcx> for CheckAttrVisitor<'tcx> {
intravisit::walk_expr(self, expr)
}
fn visit_variant(
&mut self,
variant: &'tcx hir::Variant<'tcx>,
generics: &'tcx hir::Generics<'tcx>,
item_id: HirId,
) {
fn visit_variant(&mut self, variant: &'tcx hir::Variant<'tcx>) {
self.check_attributes(variant.id, variant.span, Target::Variant, None);
intravisit::walk_variant(self, variant, generics, item_id)
intravisit::walk_variant(self, variant)
}
fn visit_param(&mut self, param: &'tcx hir::Param<'tcx>) {

9
compiler/rustc_passes/src/dead.rs
View File

@ -368,14 +368,7 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> {
self.maybe_typeck_results = old_maybe_typeck_results;
}
fn visit_variant_data(
&mut self,
def: &'tcx hir::VariantData<'tcx>,
_: Symbol,
_: &hir::Generics<'_>,
_: hir::HirId,
_: rustc_span::Span,
) {
fn visit_variant_data(&mut self, def: &'tcx hir::VariantData<'tcx>) {
let tcx = self.tcx;
let has_repr_c = self.repr_has_repr_c;
let has_repr_simd = self.repr_has_repr_simd;

9
compiler/rustc_passes/src/hir_stats.rs
View File

@ -276,14 +276,9 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> {
hir_visit::walk_field_def(self, s)
}
fn visit_variant(
&mut self,
v: &'v hir::Variant<'v>,
g: &'v hir::Generics<'v>,
item_id: hir::HirId,
) {
fn visit_variant(&mut self, v: &'v hir::Variant<'v>) {
self.record("Variant", Id::None, v);
hir_visit::walk_variant(self, v, g, item_id)
hir_visit::walk_variant(self, v)
}
fn visit_lifetime(&mut self, lifetime: &'v hir::Lifetime) {

10
compiler/rustc_passes/src/stability.rs
View File

@ -11,7 +11,7 @@ use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID};
use rustc_hir::hir_id::CRATE_HIR_ID;
use rustc_hir::intravisit::{self, Visitor};
use rustc_hir::{FieldDef, Generics, HirId, Item, ItemKind, TraitRef, Ty, TyKind, Variant};
use rustc_hir::{FieldDef, Item, ItemKind, TraitRef, Ty, TyKind, Variant};
use rustc_middle::hir::nested_filter;
use rustc_middle::middle::privacy::AccessLevels;
use rustc_middle::middle::stability::{AllowUnstable, DeprecationEntry, Index};
@ -442,7 +442,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> {
);
}
fn visit_variant(&mut self, var: &'tcx Variant<'tcx>, g: &'tcx Generics<'tcx>, item_id: HirId) {
fn visit_variant(&mut self, var: &'tcx Variant<'tcx>) {
self.annotate(
self.tcx.hir().local_def_id(var.id),
var.span,
@ -465,7 +465,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> {
);
}
intravisit::walk_variant(v, var, g, item_id)
intravisit::walk_variant(v, var)
},
)
}
@ -598,9 +598,9 @@ impl<'tcx> Visitor<'tcx> for MissingStabilityAnnotations<'tcx> {
intravisit::walk_impl_item(self, ii);
}
fn visit_variant(&mut self, var: &'tcx Variant<'tcx>, g: &'tcx Generics<'tcx>, item_id: HirId) {
fn visit_variant(&mut self, var: &'tcx Variant<'tcx>) {
self.check_missing_stability(self.tcx.hir().local_def_id(var.id), var.span);
intravisit::walk_variant(self, var, g, item_id);
intravisit::walk_variant(self, var);
}
fn visit_field_def(&mut self, s: &'tcx FieldDef<'tcx>) {

9
compiler/rustc_privacy/src/lib.rs
View File

@ -1625,15 +1625,10 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> {
intravisit::walk_ty(self, t)
}
fn visit_variant(
&mut self,
v: &'tcx hir::Variant<'tcx>,
g: &'tcx hir::Generics<'tcx>,
item_id: hir::HirId,
) {
fn visit_variant(&mut self, v: &'tcx hir::Variant<'tcx>) {
if self.access_levels.is_reachable(self.tcx.hir().local_def_id(v.id)) {
self.in_variant = true;
intravisit::walk_variant(self, v, g, item_id);
intravisit::walk_variant(self, v);
self.in_variant = false;
}
}

2
compiler/rustc_resolve/src/late.rs
View File

@ -723,7 +723,7 @@ impl<'a: 'ast, 'ast> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast> {
self.diagnostic_metadata.current_trait_object = prev;
self.diagnostic_metadata.current_type_path = prev_ty;
}
fn visit_poly_trait_ref(&mut self, tref: &'ast PolyTraitRef, _: &'ast TraitBoundModifier) {
fn visit_poly_trait_ref(&mut self, tref: &'ast PolyTraitRef) {
let span = tref.span.shrink_to_lo().to(tref.trait_ref.path.span.shrink_to_lo());
self.with_generic_param_rib(
&tref.bound_generic_params,

9
src/librustdoc/doctest.rs
View File

@ -1289,14 +1289,9 @@ impl<'a, 'hir, 'tcx> intravisit::Visitor<'hir> for HirCollector<'a, 'hir, 'tcx>
});
}
fn visit_variant(
&mut self,
v: &'hir hir::Variant<'_>,
g: &'hir hir::Generics<'_>,
item_id: hir::HirId,
) {
fn visit_variant(&mut self, v: &'hir hir::Variant<'_>) {
self.visit_testable(v.ident.to_string(), v.id, v.span, |this| {
intravisit::walk_variant(this, v, g, item_id);
intravisit::walk_variant(this, v);
});
}

2
src/tools/clippy/clippy_lints/src/unused_unit.rs
View File

@ -89,7 +89,7 @@ impl EarlyLintPass for UnusedUnit {
}
}
fn check_poly_trait_ref(&mut self, cx: &EarlyContext<'_>, poly: &ast::PolyTraitRef, _: &ast::TraitBoundModifier) {
fn check_poly_trait_ref(&mut self, cx: &EarlyContext<'_>, poly: &ast::PolyTraitRef) {
let segments = &poly.trait_ref.path.segments;
if_chain! {