mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
16 lines
450 B
Rust
16 lines
450 B
Rust
//@ check-pass
|
|
|
|
#![feature(unboxed_closures)]
|
|
|
|
fn is_fn<T: for<'a> Fn<(&'a (),)>>() {}
|
|
fn is_fn2<T: for<'a, 'b> Fn<(&'a &'b (),)>>() {}
|
|
|
|
struct Outlives<'a, 'b>(std::marker::PhantomData<&'a &'b ()>);
|
|
|
|
fn main() {
|
|
is_fn::<for<'a> fn(&'a ()) -> &'a ()>();
|
|
is_fn::<for<'a> fn(&'a ()) -> &'a dyn std::fmt::Debug>();
|
|
is_fn2::<for<'a, 'b> fn(&'a &'b ()) -> Outlives<'a, 'b>>();
|
|
is_fn2::<for<'a, 'b> fn(&'a &'b ()) -> (&'a (), &'a ())>();
|
|
}
|