File: old-closure-iter-1.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-2
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 934,168 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (15 lines) | stat: -rw-r--r-- 318 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
//@ 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);
}