mirror of
https://github.com/rust-lang/rust
synced 2024-09-05 16:57:03 +00:00
39 lines
820 B
Rust
39 lines
820 B
Rust
//@ build-pass (FIXME(62277): could be check-pass?)
|
|
|
|
#![allow(warnings)]
|
|
|
|
type Different<'a, 'b> = &'a mut (&'a (), &'b ());
|
|
type Same<'a> = Different<'a, 'a>;
|
|
|
|
fn with_closure_expecting_different<F>(_: F)
|
|
where F: for<'a, 'b> FnOnce(Different<'a, 'b>)
|
|
{
|
|
}
|
|
|
|
fn with_closure_expecting_different_anon<F>(_: F)
|
|
where F: FnOnce(Different<'_, '_>)
|
|
{
|
|
}
|
|
|
|
fn supplying_nothing_expecting_anon() {
|
|
with_closure_expecting_different_anon(|x: Different| {
|
|
})
|
|
}
|
|
|
|
fn supplying_nothing_expecting_named() {
|
|
with_closure_expecting_different(|x: Different| {
|
|
})
|
|
}
|
|
|
|
fn supplying_underscore_expecting_anon() {
|
|
with_closure_expecting_different_anon(|x: Different<'_, '_>| {
|
|
})
|
|
}
|
|
|
|
fn supplying_underscore_expecting_named() {
|
|
with_closure_expecting_different(|x: Different<'_, '_>| {
|
|
})
|
|
}
|
|
|
|
fn main() { }
|