diff options
| -rw-r--r-- | src/test/ui/type-alias-enum-variants/issue-61801-path-pattern-can-infer.rs | 30 |
1 files changed, 30 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 00000000000..21be61acb0c --- /dev/null +++ b/src/test/ui/type-alias-enum-variants/issue-61801-path-pattern-can-infer.rs @@ -0,0 +1,30 @@ +// 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. + +// compile-pass + +#![feature(type_alias_enum_variants)] + +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() {} |
