type_alias_enum_variants: fix #61801; allow a path pattern to infer #61825
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@bors try This might possibly be a perf improvement? |
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type_alias_enum_variants: fix #61801; allow a path pattern to infer Fix #61801. Given a type-relative path pattern referring to an enum variant through a type alias, allow inferring the generic argument applied in the expectation set by the scrutinee of a `match` expression. Similar issues may exist for `let` statements but I don't know how to test for that since `PhantomData<T>` is necessary...) The gist of the problem here was that `resolve_ty_and_res_ufcs` was called twice which is apparently no good... It is possible that this PR is papering over some deeper problem, but that is beyond my knowledge of the compiler. r? @petrochenkov cc @eddyb @alexreg cc #61682 cc #49683
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☀️ Try build successful - checks-travis |
This looks like a fallout from implementation default binding modes. @bors r+ rollup |
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📌 Commit 065151f has been approved by |
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type_alias_enum_variants: fix rust-lang#61801; allow a path pattern to infer Fix rust-lang#61801. Given a type-relative path pattern referring to an enum variant through a type alias, allow inferring the generic argument applied in the expectation set by the scrutinee of a `match` expression. Similar issues may exist for `let` statements but I don't know how to test for that since `PhantomData<T>` is necessary...) The gist of the problem here was that `resolve_ty_and_res_ufcs` was called twice which is apparently no good... It is possible that this PR is papering over some deeper problem, but that is beyond my knowledge of the compiler. r? @petrochenkov cc @eddyb @alexreg cc rust-lang#61682 cc rust-lang#49683
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type_alias_enum_variants: fix rust-lang#61801; allow a path pattern to infer Fix rust-lang#61801. Given a type-relative path pattern referring to an enum variant through a type alias, allow inferring the generic argument applied in the expectation set by the scrutinee of a `match` expression. Similar issues may exist for `let` statements but I don't know how to test for that since `PhantomData<T>` is necessary...) The gist of the problem here was that `resolve_ty_and_res_ufcs` was called twice which is apparently no good... It is possible that this PR is papering over some deeper problem, but that is beyond my knowledge of the compiler. r? @petrochenkov cc @eddyb @alexreg cc rust-lang#61682 cc rust-lang#49683
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type_alias_enum_variants: fix rust-lang#61801; allow a path pattern to infer Fix rust-lang#61801. Given a type-relative path pattern referring to an enum variant through a type alias, allow inferring the generic argument applied in the expectation set by the scrutinee of a `match` expression. Similar issues may exist for `let` statements but I don't know how to test for that since `PhantomData<T>` is necessary...) The gist of the problem here was that `resolve_ty_and_res_ufcs` was called twice which is apparently no good... It is possible that this PR is papering over some deeper problem, but that is beyond my knowledge of the compiler. r? @petrochenkov cc @eddyb @alexreg cc rust-lang#61682 cc rust-lang#49683
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type_alias_enum_variants: fix rust-lang#61801; allow a path pattern to infer Fix rust-lang#61801. Given a type-relative path pattern referring to an enum variant through a type alias, allow inferring the generic argument applied in the expectation set by the scrutinee of a `match` expression. Similar issues may exist for `let` statements but I don't know how to test for that since `PhantomData<T>` is necessary...) The gist of the problem here was that `resolve_ty_and_res_ufcs` was called twice which is apparently no good... It is possible that this PR is papering over some deeper problem, but that is beyond my knowledge of the compiler. r? @petrochenkov cc @eddyb @alexreg cc rust-lang#61682 cc rust-lang#49683
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@bors p=101 Trying this one out to see if the bors problems go away. |
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type_alias_enum_variants: fix #61801; allow a path pattern to infer Fix #61801. Given a type-relative path pattern referring to an enum variant through a type alias, allow inferring the generic argument applied in the expectation set by the scrutinee of a `match` expression. Similar issues may exist for `let` statements but I don't know how to test for that since `PhantomData<T>` is necessary...) The gist of the problem here was that `resolve_ty_and_res_ufcs` was called twice which is apparently no good... It is possible that this PR is papering over some deeper problem, but that is beyond my knowledge of the compiler. r? @petrochenkov cc @eddyb @alexreg cc #61682 cc #49683
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☀️ Test successful - checks-travis, status-appveyor |
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Tested on commit rust-lang/rust@9f8cd9d. Direct link to PR: <rust-lang/rust#61825> 🎉 rls on linux: test-fail → test-pass (cc @Xanewok, @rust-lang/infra).
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@bors treeclosed- |
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Fix #61801.
Given a type-relative path pattern referring to an enum variant through a type alias, allow inferring the generic argument applied in the expectation set by the scrutinee of a
matchexpression.Similar issues may exist for
letstatements but I don't know how to test for that sincePhantomData<T>is necessary...)The gist of the problem here was that
resolve_ty_and_res_ufcswas called twice which is apparently no good... It is possible that this PR is papering over some deeper problem, but that is beyond my knowledge of the compiler.r? @petrochenkov
cc @eddyb @alexreg
cc #61682
cc #49683