[rustc.git] / src / test / ui / impl-trait / issues / issue-70877.stderr

error[E0271]: type mismatch resolving `<Bar as Iterator>::Item == Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option<String> + 'static)>`
  --> $DIR/issue-70877.rs:9:12
   |
LL | type FooRet = impl std::fmt::Debug;
   |               -------------------- the expected opaque type
...
LL | type Foo = impl Iterator<Item = FooItem>;
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found enum `Option`
   |
   = note: expected struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> impl Debug + 'static)>`
              found struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option<String> + 'static)>`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0271`.
Commit	Line	Data
29967ef6 XL	1	error[E0271]: type mismatch resolving `<Bar as Iterator>::Item == Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option<String> + 'static)>`
	2	--> $DIR/issue-70877.rs:9:12
	3	\|
	4	LL \| type FooRet = impl std::fmt::Debug;
	5	\| -------------------- the expected opaque type
	6	...
	7	LL \| type Foo = impl Iterator<Item = FooItem>;
	8	\| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found enum `Option`
	9	\|
	10	= note: expected struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> impl Debug + 'static)>`
	11	found struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option<String> + 'static)>`
	12
	13	error: aborting due to previous error
	14
	15	For more information about this error, try `rustc --explain E0271`.