rust/tests/ui/closures/old-closure-fn-coerce.rs
2024-02-16 20:02:50 +00:00

12 lines
241 B
Rust

//@ run-pass
#![allow(unused_braces)]
fn force<F>(f: F) -> isize where F: FnOnce() -> isize { return f(); }
pub fn main() {
fn f() -> isize { return 7; }
assert_eq!(force(f), 7);
let g = {||force(f)};
assert_eq!(g(), 7);
}