mirror of https://github.com/rust-lang/rust
55 lines
2.1 KiB
Plaintext
55 lines
2.1 KiB
Plaintext
error: missing required bound on `Output`
|
|
--> $DIR/issue-80433.rs:7:5
|
|
|
|
|
LL | type Output<'a>;
|
|
| ^^^^^^^^^^^^^^^-
|
|
| |
|
|
| help: add the required where clause: `where Self: 'a`
|
|
|
|
|
= note: this bound is currently required to ensure that impls have maximum flexibility
|
|
= note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
|
|
|
|
error[E0107]: missing generics for associated type `TestMut::Output`
|
|
--> $DIR/issue-80433.rs:21:47
|
|
|
|
|
LL | fn test_simpler<'a>(dst: &'a mut impl TestMut<Output = &'a mut f32>)
|
|
| ^^^^^^ expected 1 lifetime argument
|
|
|
|
|
note: associated type defined here, with 1 lifetime parameter: `'a`
|
|
--> $DIR/issue-80433.rs:7:10
|
|
|
|
|
LL | type Output<'a>;
|
|
| ^^^^^^ --
|
|
help: add missing lifetime argument
|
|
|
|
|
LL | fn test_simpler<'a>(dst: &'a mut impl TestMut<Output<'a> = &'a mut f32>)
|
|
| ++++
|
|
|
|
error[E0499]: cannot borrow `*dst` as mutable more than once at a time
|
|
--> $DIR/issue-80433.rs:25:10
|
|
|
|
|
LL | *dst.test_mut() = n.into();
|
|
| ^^^-----------
|
|
| |
|
|
| `*dst` was mutably borrowed here in the previous iteration of the loop
|
|
| argument requires that `*dst` is borrowed for `'static`
|
|
|
|
error[E0521]: borrowed data escapes outside of function
|
|
--> $DIR/issue-80433.rs:25:10
|
|
|
|
|
LL | fn test_simpler<'a>(dst: &'a mut impl TestMut<Output = &'a mut f32>)
|
|
| -- --- `dst` is a reference that is only valid in the function body
|
|
| |
|
|
| lifetime `'a` defined here
|
|
...
|
|
LL | *dst.test_mut() = n.into();
|
|
| ^^^^^^^^^^^^^^
|
|
| |
|
|
| `dst` escapes the function body here
|
|
| argument requires that `'a` must outlive `'static`
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
Some errors have detailed explanations: E0107, E0499, E0521.
|
|
For more information about an error, try `rustc --explain E0107`.
|