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error: lifetime may not live long enough
--> $DIR/issue-79187-2.rs:11:24
|
LL | take_foo(|a: &i32| a);
| - - ^ returning this value requires that `'1` must outlive `'2`
| | |
| | return type of closure is &'2 i32
| let's call the lifetime of this reference `'1`
error: lifetime may not live long enough
--> $DIR/issue-79187-2.rs:14:34
|
LL | take_foo(|a: &i32| -> &i32 { a });
| - - ^ returning this value requires that `'1` must outlive `'2`
| | |
| | let's call the lifetime of this reference `'2`
| let's call the lifetime of this reference `'1`
error: implementation of `FnOnce` is not general enough
--> $DIR/issue-79187-2.rs:8:5
|
LL | take_foo(|a| a);
| ^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
|
= note: closure with signature `fn(&'2 i32) -> &i32` must implement `FnOnce<(&'1 i32,)>`, for any lifetime `'1`...
= note: ...but it actually implements `FnOnce<(&'2 i32,)>`, for some specific lifetime `'2`
error: implementation of `Fn` is not general enough
--> $DIR/issue-79187-2.rs:8:5
|
LL | take_foo(|a| a);
| ^^^^^^^^^^^^^^^ implementation of `Fn` is not general enough
|
= note: closure with signature `fn(&'2 i32) -> &i32` must implement `Fn<(&'1 i32,)>`, for any lifetime `'1`...
= note: ...but it actually implements `Fn<(&'2 i32,)>`, for some specific lifetime `'2`
error[E0308]: mismatched types
--> $DIR/issue-79187-2.rs:11:5
|
LL | take_foo(|a: &i32| a);
| ^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
|
= note: expected reference `&_`
found reference `&_`
note: the lifetime requirement is introduced here
--> $DIR/issue-79187-2.rs:5:21
|
LL | fn take_foo(_: impl Foo) {}
| ^^^
error[E0308]: mismatched types
--> $DIR/issue-79187-2.rs:14:5
|
LL | take_foo(|a: &i32| -> &i32 { a });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
|
= note: expected reference `&_`
found reference `&_`
note: the lifetime requirement is introduced here
--> $DIR/issue-79187-2.rs:5:21
|
LL | fn take_foo(_: impl Foo) {}
| ^^^
error: aborting due to 6 previous errors
For more information about this error, try `rustc --explain E0308`.
|
