| //@ 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, mut b) = &mut p; | |
| //~^ ERROR cannot move out of a mutable reference | |
| } |