File: issue-12909.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (20 lines) | stat: -rw-r--r-- 489 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
//@ run-pass
#![allow(unused_variables)]
//@ pretty-expanded FIXME #23616

use std::collections::HashMap;

fn copy<T: Copy>(&x: &T) -> T {
    x
}

fn main() {
    let arr = [(1, 1), (2, 2), (3, 3)];

    let v1: Vec<&_> = arr.iter().collect();
    let v2: Vec<_> = arr.iter().map(copy).collect();

    let m1: HashMap<_, _> = arr.iter().map(copy).collect();
    let m2: HashMap<isize, _> = arr.iter().map(copy).collect();
    let m3: HashMap<_, usize> = arr.iter().map(copy).collect();
}