rust/src/test/ui/issues/issue-23966.stderr

error[E0277]: expected a `std::ops::FnMut<(_, char)>` closure, found `()`
  --> $DIR/issue-23966.rs:2:32
   |
LL |     "".chars().fold(|_, _| (), ());
   |                                ^^ expected an `FnMut<(_, char)>` closure, found `()`
   |
   = help: the trait `std::ops::FnMut<(_, char)>` is not implemented for `()`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.
When closure with no arguments was expected, suggest wrapping 2018-08-12 19:21:53 +00:00			error[E0277]: expected a `std::ops::FnMut<(_, char)>` closure, found `()`
When possible point at argument causing item obligation failure 2019-09-16 04:58:20 +00:00			`--> $DIR/issue-23966.rs:2:32`
Move some `compile-fail` tests to `ui` 2018-07-15 21:11:54 +00:00			`\|`
			`LL \| "".chars().fold(\|_, _\| (), ());`
When possible point at argument causing item obligation failure 2019-09-16 04:58:20 +00:00			\| ^^ expected an `FnMut<(_, char)>` closure, found `()`
When closure with no arguments was expected, suggest wrapping 2018-08-12 19:21:53 +00:00			`\|`
			= help: the trait `std::ops::FnMut<(_, char)>` is not implemented for `()`
Move some `compile-fail` tests to `ui` 2018-07-15 21:11:54 +00:00
			`error: aborting due to previous error`

			For more information about this error, try `rustc --explain E0277`.