src/test/ui/consts/const_let_assign3.stderr

   1 error[E0019]: constant function contains unimplemented expression type
   2   --> $DIR/const_let_assign3.rs:9:9
   3    |
   4 LL |         self.state = x;
   5    |         ^^^^^^^^^^^^^^
   6    |
   7    = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
   8
   9 error[E0764]: mutable references are not allowed in constants
  10   --> $DIR/const_let_assign3.rs:16:5
  11    |
  12 LL |     s.foo(3);
  13    |     ^ `&mut` is only allowed in `const fn`
  14
  15 error[E0764]: mutable references are not allowed in constants
  16   --> $DIR/const_let_assign3.rs:22:13
  17    |
  18 LL |     let y = &mut x;
  19    |             ^^^^^^ `&mut` is only allowed in `const fn`
  20
  21 error[E0019]: constant contains unimplemented expression type
  22   --> $DIR/const_let_assign3.rs:24:5
  23    |
  24 LL |     *y = 42;
  25    |     ^^^^^^^
  26    |
  27    = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
  28
  29 error: aborting due to 4 previous errors
  30
  31 Some errors have detailed explanations: E0019, E0764.
  32 For more information about an error, try `rustc --explain E0019`.