rust/tests/ui/threads-sendsync/sendfn-is-a-block.rs
2023-01-11 09:32:08 +00:00

12 lines
165 B
Rust

// run-pass
fn test<F>(f: F) -> usize where F: FnOnce(usize) -> usize {
return f(22);
}
pub fn main() {
let y = test(|x| 4 * x);
assert_eq!(y, 88);
}