rust/tests/ui/issues/issue-17897.rs
2024-02-16 20:02:50 +00:00

9 lines
160 B
Rust

//@ run-pass
fn action(mut cb: Box<dyn FnMut(usize) -> usize>) -> usize {
cb(1)
}
pub fn main() {
println!("num: {}", action(Box::new(move |u| u)));
}