rust/src/test/ui/nll/capture-mut-ref.rs
2018-12-25 21:08:33 -07:00

16 lines
297 B
Rust

// Check that capturing a mutable reference by move and assigning to its
// referent doesn't make the unused mut lint think that it is mutable.
#![feature(nll)]
#![deny(unused_mut)]
fn mutable_upvar() {
let mut x = &mut 0;
//~^ ERROR
move || {
*x = 1;
};
}
fn main() {}