rust/tests/ui/type-alias-enum-variants/issue-61801-path-pattern-ca...

29 lines
533 B
Rust

// 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() {}