| //@ run-pass | |
| pub fn main() { | |
| let mut sum: isize = 0; | |
| first_ten(|i| { println!("main"); println!("{}", i); sum = sum + i; }); | |
| println!("sum"); | |
| println!("{}", sum); | |
| assert_eq!(sum, 45); | |
| } | |
| fn first_ten<F>(mut it: F) where F: FnMut(isize) { | |
| let mut i: isize = 0; | |
| while i < 10 { println!("first_ten"); it(i); i = i + 1; } | |
| } |