File: fn-closure-mutable-capture.rs

package info (click to toggle)
rustc 1.70.0%2Bdfsg1-9
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, 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 (12 lines) | stat: -rw-r--r-- 348 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
12
 
pub fn bar<F: Fn()>(_f: F) {} //~ NOTE change this to accept `FnMut` instead of `Fn`

pub fn foo() {
    let mut x = 0;
    bar(move || x = 1);
    //~^ ERROR cannot assign to `x`, as it is a captured variable in a `Fn` closure
    //~| NOTE cannot assign
    //~| NOTE expects `Fn` instead of `FnMut`
    //~| NOTE in this closure
}

fn main() {}