rust/tests/ui/typeck/return_type_containing_clos...

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error[E0308]: mismatched types
--> $DIR/return_type_containing_closure.rs:3:5
|
LL | vec!['a'].iter().map(|c| c)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Map<Iter<'_, char>, ...>`
|
= note: expected unit type `()`
found struct `Map<std::slice::Iter<'_, char>, {closure@$DIR/return_type_containing_closure.rs:3:26: 3:29}>`
help: consider using a semicolon here
|
LL | vec!['a'].iter().map(|c| c);
| +
help: try adding a return type
|
LL | fn foo() -> impl Iterator<Item = &char> {
| ++++++++++++++++++++++++++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0308`.