File: foreach-external-iterators-hashmap.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (19 lines) | stat: -rw-r--r-- 338 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
//@ run-pass

use std::collections::HashMap;

pub fn main() {
    let mut h = HashMap::new();
    let kvs = [(1, 10), (2, 20), (3, 30)];
    for &(k,v) in &kvs {
        h.insert(k,v);
    }
    let mut x = 0;
    let mut y = 0;
    for (&k,&v) in &h {
        x += k;
        y += v;
    }
    assert_eq!(x, 6);
    assert_eq!(y, 60);
}