src/test/ui/borrowck/issue-45983.nll.stderr

   1 error[E0521]: borrowed data escapes outside of closure
   2   --> $DIR/issue-45983.rs:36:18
   3    |
   4 LL |     let x = None;
   5    |         - `x` is declared here, outside of the closure body
   6 LL |     give_any(|y| x = Some(y));
   7    |               -  ^^^^^^^^^^^ `y` escapes the closure body here
   8    |               |
   9    |               `y` is a reference that is only valid in the closure body
  10
  11 error[E0594]: cannot assign to `x`, as it is not declared as mutable
  12   --> $DIR/issue-45983.rs:36:18
  13    |
  14 LL |     let x = None;
  15    |         - help: consider changing this to be mutable: `mut x`
  16 LL |     give_any(|y| x = Some(y));
  17    |                  ^^^^^^^^^^^ cannot assign
  18
  19 error: aborting due to 2 previous errors
  20
  21 Some errors occurred: E0521, E0594.
  22 For more information about an error, try `rustc --explain E0521`.