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Bastian Kauschke 2020-06-06 15:54:07 +02:00
parent 826cb062a6
commit 32c488f045
1 changed files with 0 additions and 4 deletions
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4
src/librustc_middle/ty/sty.rs
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@ -724,10 +724,6 @@ impl<'tcx> Binder<&'tcx List<ExistentialPredicate<'tcx>>> {
///
/// Trait references also appear in object types like `Foo<U>`, but in
/// that case the `Self` parameter is absent from the substitutions.
///
/// Note that a `TraitRef` introduces a level of region binding, to
/// account for higher-ranked trait bounds like `T: for<'a> Foo<&'a U>`
/// or higher-ranked object types.
#[derive(Copy, Clone, PartialEq, Eq, Hash, RustcEncodable, RustcDecodable)]
#[derive(HashStable, TypeFoldable)]
pub struct TraitRef<'tcx> {