File: locals-in-const-fn.rs

package info (click to toggle)
rustc 1.70.0%2Bdfsg1-9
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 722,120 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,001; asm: 2,856
file content (35 lines) | stat: -rw-r--r-- 488 bytes parent folder | download | duplicates (12) 
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
33
34
35
 
// run-pass

// https://github.com/rust-lang/rust/issues/48821

const fn foo(i: usize) -> usize {
    let x = i;
    x
}

static FOO: usize = foo(42);

const fn bar(mut i: usize) -> usize {
    i += 8;
    let x = &i;
    *x
}

static BAR: usize = bar(42);

const fn boo(mut i: usize) -> usize {
    {
        let mut x = i;
        x += 10;
        i = x;
    }
    i
}

static BOO: usize = boo(42);

fn main() {
    assert!(FOO == 42);
    assert!(BAR == 50);
    assert!(BOO == 52);
}