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[rustc.git] / src / test / ui / lifetimes / issue-79187-2.stderr

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[E0308]: mismatched types
  --> $DIR/issue-79187-2.rs:8:5
   |
LL |     take_foo(|a| a);
   |     ^^^^^^^^^^^^^^^ one type is more general than the other
   |
   = note: expected trait `for<'a> Fn<(&'a i32,)>`
              found trait `Fn<(&i32,)>`
note: this closure does not fulfill the lifetime requirements
  --> $DIR/issue-79187-2.rs:8:14
   |
LL |     take_foo(|a| a);
   |              ^^^
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:11:5
   |
LL |     take_foo(|a: &i32| a);
   |     ^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other
   |
   = note: expected reference `&i32`
              found reference `&i32`
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 `&i32`
              found reference `&i32`
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`.