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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/type-alias-enum-variants/issue-61801-path-pattern-can-infer.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/type-alias-enum-variants/issue-61801-path-pattern-can-infer.rs')
-rw-r--r-- | src/test/ui/type-alias-enum-variants/issue-61801-path-pattern-can-infer.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-enum-variants/issue-61801-path-pattern-can-infer.rs b/src/test/ui/type-alias-enum-variants/issue-61801-path-pattern-can-infer.rs new file mode 100644 index 000000000..9c9eaab8d --- /dev/null +++ b/src/test/ui/type-alias-enum-variants/issue-61801-path-pattern-can-infer.rs @@ -0,0 +1,28 @@ +// In this regression test we check that a path pattern referring to a unit variant +// through a type alias is successful in inferring the generic argument. + +// check-pass + +enum Opt<T> { + N, + S(T), +} + +type OptAlias<T> = Opt<T>; + +fn f1(x: OptAlias<u8>) { + match x { + OptAlias::N // We previously failed to infer `T` to `u8`. + => (), + _ => (), + } + + match x { + < + OptAlias<_> // And we failed to infer this type also. + >::N => (), + _ => (), + } +} + +fn main() {} |