9ebbba4ad9
```
error: expected `{closure@...}` to return `Ret`, but it returns `Other`
```
instead of
```
error: expected `{closure@...}` to be a closure that returns `Ret`, but it returns `Other`
```
14 lines
633 B
Text
14 lines
633 B
Text
error[E0271]: expected `foo` to return `i32`, but it returns `()`
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--> $DIR/issue-106991.rs:5:13
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LL | fn bar() -> impl Iterator<Item = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `()`
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...
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LL | x.iter_mut().map(foo)
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| --------------------- return type was inferred to be `Map<std::slice::IterMut<'_, Vec<u8>>, for<'a> fn(&'a mut Vec<u8>) {foo}>` here
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= note: required for `Map<std::slice::IterMut<'_, Vec<u8>>, for<'a> fn(&'a mut Vec<u8>) {foo}>` to implement `Iterator`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0271`.
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