| //@ revisions: e2021 e2024 | |
| // | |
| //@[e2021] edition: 2021 | |
| //@[e2024] edition: 2024 | |
| // | |
| //@ run-pass | |
| //@ check-run-results | |
| fn main() { | |
| print_return_type_of(|| panic!()); | |
| } | |
| fn print_return_type_of<R>(_: impl FnOnce() -> R) { | |
| println!("return type = {}", std::any::type_name::<R>()); | |
| } |