File: function-pointer-comparison-issue-54685.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (32 lines) | stat: -rw-r--r-- 521 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
//@ compile-flags: -C opt-level=3
//@ run-pass

#![allow(unpredictable_function_pointer_comparisons)]

fn foo(_i: i32) -> i32 {
    1
}
fn bar(_i: i32) -> i32 {
    1
}

fn main() {
    let x: fn(i32) -> i32 = foo;
    let y: fn(i32) -> i32 = bar;

    let s1;
    if x == y {
        s1 = "same".to_string();
    } else {
        s1 = format!("{:?}, {:?}", x, y);
    }

    let s2;
    if x == y {
        s2 = "same".to_string();
    } else {
        s2 = format!("{:?}, {:?}", x, y);
    }

    assert_eq!(s1, s2);
}