File: issue-11925.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 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 (13 lines) | stat: -rw-r--r-- 300 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
#![feature(unboxed_closures, tuple_trait)]

fn to_fn_once<A:std::marker::Tuple,F:FnOnce<A>>(f: F) -> F { f }

fn main() {
    let r = {
        let x: Box<_> = Box::new(42);
        let f = to_fn_once(move|| &x); //~ ERROR cannot return reference to local data `x`
        f()
    };

    drop(r);
}