rust/tests/ui/issues/issue-17897.rs
2023-01-11 09:32:08 +00:00

9 lines
159 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)));
}