| error[E0723]: mutable references in const fn are unstable (see issue #57563) |
| --> $DIR/mutable_borrow.rs:3:9 |
| | |
| LL | let b = &mut a; |
| | ^ |
| | |
| = help: add #![feature(const_fn)] to the crate attributes to enable |
| |
| error[E0723]: mutable references in const fn are unstable (see issue #57563) |
| --> $DIR/mutable_borrow.rs:12:13 |
| | |
| LL | let b = &mut a; |
| | ^ |
| | |
| = help: add #![feature(const_fn)] to the crate attributes to enable |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0723`. |
