mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-03 20:23:59 +00:00
23 lines
426 B
Rust
23 lines
426 B
Rust
//@ check-pass
|
|
fn lt_in_fn_fn<'a: 'a>() -> fn(fn(&'a ())) {
|
|
|_| ()
|
|
}
|
|
|
|
|
|
fn foo<'a, 'b, 'lower>(v: bool)
|
|
where
|
|
'a: 'lower,
|
|
'b: 'lower,
|
|
{
|
|
// if we infer `x` to be higher ranked in the future,
|
|
// this would cause a type error.
|
|
let x = match v {
|
|
true => lt_in_fn_fn::<'a>(),
|
|
false => lt_in_fn_fn::<'b>(),
|
|
};
|
|
|
|
let _: fn(fn(&'lower())) = x;
|
|
}
|
|
|
|
fn main() {}
|