| // 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() { } |