| error[E0493]: destructor of `E` cannot be evaluated at compile-time | |
| --> $DIR/const-drop-bound.rs:12:13 | |
| | | |
| LL | Err(_e) => None, | |
| | ^^ the destructor for this type cannot be evaluated in constant functions | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0493`. |