| error[E0133]: mutation of layout constrained field is unsafe and requires unsafe function or block | |
| --> $DIR/ranged_ints2_const.rs:11:13 | |
| | | |
| LL | let y = &mut x.0; | |
| | ^^^^^^^^ mutation of layout constrained field | |
| | | |
| = note: mutating layout constrained fields cannot statically be checked for valid values | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0133`. |