rust/tests/ui/lifetimes/issue-105675.stderr
Alex Chi 54c11a688f better suggestion based on hir
Signed-off-by: Alex Chi <iskyzh@gmail.com>
2023-04-14 11:39:35 -04:00

132 lines
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error[E0308]: mismatched types
--> $DIR/issue-105675.rs:5:5
|
LL | thing(f);
| ^^^^^^^^ one type is more general than the other
|
= note: expected trait `for<'a, 'b> FnOnce<(&'a u32, &'b u32)>`
found trait `FnOnce<(&u32, &u32)>`
note: this closure does not fulfill the lifetime requirements
--> $DIR/issue-105675.rs:4:13
|
LL | let f = |_, _| ();
| ^^^^^^
note: the lifetime requirement is introduced here
--> $DIR/issue-105675.rs:1:18
|
LL | fn thing(x: impl FnOnce(&u32, &u32)) {}
| ^^^^^^^^^^^^^^^^^^
help: consider specifying the type of the closure parameters
|
LL | let f = |_: &_, _: &_| ();
| ~~~~~~~~~~~~~~
error[E0308]: mismatched types
--> $DIR/issue-105675.rs:5:5
|
LL | thing(f);
| ^^^^^^^^ one type is more general than the other
|
= note: expected trait `for<'a, 'b> FnOnce<(&'a u32, &'b u32)>`
found trait `FnOnce<(&u32, &u32)>`
note: this closure does not fulfill the lifetime requirements
--> $DIR/issue-105675.rs:4:13
|
LL | let f = |_, _| ();
| ^^^^^^
note: the lifetime requirement is introduced here
--> $DIR/issue-105675.rs:1:18
|
LL | fn thing(x: impl FnOnce(&u32, &u32)) {}
| ^^^^^^^^^^^^^^^^^^
help: consider specifying the type of the closure parameters
|
LL | let f = |_: &_, _: &_| ();
| ~~~~~~~~~~~~~~
error: implementation of `FnOnce` is not general enough
--> $DIR/issue-105675.rs:5:5
|
LL | thing(f);
| ^^^^^^^^ implementation of `FnOnce` is not general enough
|
= note: closure with signature `fn(&'2 u32, &u32)` must implement `FnOnce<(&'1 u32, &u32)>`, for any lifetime `'1`...
= note: ...but it actually implements `FnOnce<(&'2 u32, &u32)>`, for some specific lifetime `'2`
error: implementation of `FnOnce` is not general enough
--> $DIR/issue-105675.rs:5:5
|
LL | thing(f);
| ^^^^^^^^ implementation of `FnOnce` is not general enough
|
= note: closure with signature `fn(&u32, &'2 u32)` must implement `FnOnce<(&u32, &'1 u32)>`, for any lifetime `'1`...
= note: ...but it actually implements `FnOnce<(&u32, &'2 u32)>`, for some specific lifetime `'2`
error[E0308]: mismatched types
--> $DIR/issue-105675.rs:11:5
|
LL | thing(f);
| ^^^^^^^^ one type is more general than the other
|
= note: expected trait `for<'a, 'b> FnOnce<(&'a u32, &'b u32)>`
found trait `FnOnce<(&u32, &u32)>`
note: this closure does not fulfill the lifetime requirements
--> $DIR/issue-105675.rs:10:13
|
LL | let f = |x, y| ();
| ^^^^^^
note: the lifetime requirement is introduced here
--> $DIR/issue-105675.rs:1:18
|
LL | fn thing(x: impl FnOnce(&u32, &u32)) {}
| ^^^^^^^^^^^^^^^^^^
help: consider specifying the type of the closure parameters
|
LL | let f = |x: &_, y: &_| ();
| ~~~~~~~~~~~~~~
error[E0308]: mismatched types
--> $DIR/issue-105675.rs:11:5
|
LL | thing(f);
| ^^^^^^^^ one type is more general than the other
|
= note: expected trait `for<'a, 'b> FnOnce<(&'a u32, &'b u32)>`
found trait `FnOnce<(&u32, &u32)>`
note: this closure does not fulfill the lifetime requirements
--> $DIR/issue-105675.rs:10:13
|
LL | let f = |x, y| ();
| ^^^^^^
note: the lifetime requirement is introduced here
--> $DIR/issue-105675.rs:1:18
|
LL | fn thing(x: impl FnOnce(&u32, &u32)) {}
| ^^^^^^^^^^^^^^^^^^
help: consider specifying the type of the closure parameters
|
LL | let f = |x: &_, y: &_| ();
| ~~~~~~~~~~~~~~
error: implementation of `FnOnce` is not general enough
--> $DIR/issue-105675.rs:11:5
|
LL | thing(f);
| ^^^^^^^^ implementation of `FnOnce` is not general enough
|
= note: closure with signature `fn(&'2 u32, &u32)` must implement `FnOnce<(&'1 u32, &u32)>`, for any lifetime `'1`...
= note: ...but it actually implements `FnOnce<(&'2 u32, &u32)>`, for some specific lifetime `'2`
error: implementation of `FnOnce` is not general enough
--> $DIR/issue-105675.rs:11:5
|
LL | thing(f);
| ^^^^^^^^ implementation of `FnOnce` is not general enough
|
= note: closure with signature `fn(&u32, &'2 u32)` must implement `FnOnce<(&u32, &'1 u32)>`, for any lifetime `'1`...
= note: ...but it actually implements `FnOnce<(&u32, &'2 u32)>`, for some specific lifetime `'2`
error: aborting due to 8 previous errors
For more information about this error, try `rustc --explain E0308`.