File: pattern-borrow.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 (17 lines) | stat: -rw-r--r-- 355 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
#![feature(coroutines)]

enum Test { A(i32), B, }

fn main() { }

fn fun(test: Test) {
    move || {
        if let Test::A(ref _a) = test { //~ ERROR borrow may still be in use when coroutine yields
            yield ();
            _a.use_ref();
        }
    };
}

trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
impl<T> Fake for T { }