| error[E0277]: expected a `FnOnce<()>` closure, found `{integer}` |
| --> $DIR/closure-expected.rs:3:23 |
| | |
| LL | let y = x.or_else(4); |
| | ------- ^ expected an `FnOnce<()>` closure, found `{integer}` |
| | | |
| | required by a bound introduced by this call |
| | |
| = help: the trait `FnOnce<()>` is not implemented for `{integer}` |
| = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }` |
| note: required by a bound in `Option::<T>::or_else` |
| --> $SRC_DIR/core/src/option.rs:LL:COL |
| | |
| LL | F: ~const FnOnce() -> Option<T>, |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Option::<T>::or_else` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
