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Rollup merge of #87006 - ptrojahn:implsource_vtable, r=jonas-schievink

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Revert the revert of renaming traits::VTable to ImplSource

As #72114 and #73055 were merged so closely together I think this
accidentally happened while rebasing
This commit is contained in:
Yuki Okushi 2021-07-11 01:15:39 +09:00 committed by GitHub
commit 632f84f4cb
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1 changed files with 3 additions and 3 deletions
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6
compiler/rustc_middle/src/traits/mod.rs
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@ -426,10 +426,10 @@ pub type SelectionResult<'tcx, T> = Result<Option<T>, SelectionError<'tcx>>;
/// impl Clone for i32 { ... } // Impl_3
///
/// fn foo<T: Clone>(concrete: Option<Box<i32>>, param: T, mixed: Option<T>) {
/// // Case A: Vtable points at a specific impl. Only possible when
/// // Case A: ImplSource points at a specific impl. Only possible when
/// // type is concretely known. If the impl itself has bounded
/// // type parameters, Vtable will carry resolutions for those as well:
/// concrete.clone(); // Vtable(Impl_1, [Vtable(Impl_2, [Vtable(Impl_3)])])
/// // type parameters, ImplSource will carry resolutions for those as well:
/// concrete.clone(); // ImpleSource(Impl_1, [ImplSource(Impl_2, [ImplSource(Impl_3)])])
///
/// // Case A: ImplSource points at a specific impl. Only possible when
/// // type is concretely known. If the impl itself has bounded