|
//@ run-rustfix
|
|
#![allow(unused_variables)]
|
|
fn main() {
|
|
struct U;
|
|
|
|
// A tuple is a "non-reference pattern".
|
|
// A `mut` binding pattern resets the binding mode to by-value.
|
|
|
|
let mut p = (U, U);
|
|
let (a, ref mut b) = &mut p;
|
|
//~^ ERROR cannot move out of a mutable reference
|
|
}
|