| error[E0277]: expected a `FnMut(_, char)` closure, found `()` |
| --> $DIR/fold-iterator-error-23966.rs:3:32 |
| | |
| LL | "".chars().fold(|_, _| (), ()); |
| | ---- ^^ expected an `FnMut(_, char)` closure, found `()` |
| | | |
| | required by a bound introduced by this call |
| | |
| = help: the trait `FnMut(_, char)` is not implemented for `()` |
| note: required by a bound in `fold` |
| --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
