File: regionck-unboxed-closure-lifetimes.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (16 lines) | stat: -rw-r--r-- 383 bytes parent folder | download | duplicates (19) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
#![feature(rustc_attrs)]
use std::ops::FnMut;

fn main() { #![rustc_error] // rust-lang/rust#49855
    let mut f;
    {
        let c = 1;
        let c_ref = &c;
        //~^ ERROR `c` does not live long enough
        f = move |a: isize, b: isize| { a + b + *c_ref };
    }
    f.use_mut();
}

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