bjoernager/rust
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Simplify rustc_ast::visit::Visitor::visit_poly_trait_ref.

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It is passed an argument that is never used.
This commit is contained in:
Nicholas Nethercote 2022-08-11 11:05:26 +10:00
parent 421125f30a
commit 232bd80130
9 changed files with 20 additions and 31 deletions
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8
compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
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@ -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);
}