rust/tests/ui/closures/old-closure-iter-1.rs
2024-02-16 20:02:50 +00:00

16 lines
318 B
Rust

//@ run-pass
fn iter_vec<T, F>(v: Vec<T> , mut f: F) where F: FnMut(&T) { for x in &v { f(x); } }
pub fn main() {
let v = vec![1, 2, 3, 4, 5, 6, 7];
let mut odds = 0;
iter_vec(v, |i| {
if *i % 2 == 1 {
odds += 1;
}
});
println!("{}", odds);
assert_eq!(odds, 4);
}