File: const_let_assign3.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,245,420 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 (27 lines) | stat: -rw-r--r-- 406 bytes parent folder | download | duplicates (8)
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
struct S {
    state: u32,
}

impl S {
    const fn foo(&mut self, x: u32) {
        //~^ ERROR mutable reference
        self.state = x;
    }
}

const FOO: S = {
    let mut s = S { state: 42 };
    s.foo(3); //~ ERROR mutable reference
    s
};

type Array = [u32; {
    let mut x = 2;
    let y = &mut x; //~ ERROR mutable reference
    *y = 42;
    *y
}];

fn main() {
    assert_eq!(FOO.state, 3);
}