mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-29 18:23:49 +00:00
59 lines
2.2 KiB
Plaintext
59 lines
2.2 KiB
Plaintext
error[E0106]: missing lifetime specifiers
|
|
--> $DIR/missing-lt-for-hrtb.rs:2:32
|
|
|
|
|
LL | struct S<'a>(&'a dyn Fn(&X) -> &X);
|
|
| -- ^^ expected named lifetime parameter
|
|
| |
|
|
| expected named lifetime parameter
|
|
|
|
|
= help: this function's return type contains a borrowed value, but the signature does not say which one of argument 1's 2 lifetimes it is borrowed from
|
|
help: consider using the `'a` lifetime
|
|
|
|
|
LL | struct S<'a>(&'a dyn Fn(&X) -> &'a X<'a>);
|
|
| ++ ++++
|
|
|
|
error[E0106]: missing lifetime specifiers
|
|
--> $DIR/missing-lt-for-hrtb.rs:4:40
|
|
|
|
|
LL | struct V<'a>(&'a dyn for<'b> Fn(&X) -> &X);
|
|
| -- ^^ expected named lifetime parameter
|
|
| |
|
|
| expected named lifetime parameter
|
|
|
|
|
= help: this function's return type contains a borrowed value, but the signature does not say which one of argument 1's 2 lifetimes it is borrowed from
|
|
note: these named lifetimes are available to use
|
|
--> $DIR/missing-lt-for-hrtb.rs:4:10
|
|
|
|
|
LL | struct V<'a>(&'a dyn for<'b> Fn(&X) -> &X);
|
|
| ^^ ^^
|
|
help: consider using one of the available lifetimes here
|
|
|
|
|
LL | struct V<'a>(&'a dyn for<'b> Fn(&X) -> &'lifetime X<'lifetime>);
|
|
| +++++++++ +++++++++++
|
|
|
|
error: lifetime may not live long enough
|
|
--> $DIR/missing-lt-for-hrtb.rs:10:9
|
|
|
|
|
LL | let x = S(&|x| {
|
|
| -- return type of closure is &'2 X<'_>
|
|
| |
|
|
| has type `&'1 X<'_>`
|
|
LL | println!("hi");
|
|
LL | x
|
|
| ^ returning this value requires that `'1` must outlive `'2`
|
|
|
|
error: lifetime may not live long enough
|
|
--> $DIR/missing-lt-for-hrtb.rs:10:9
|
|
|
|
|
LL | let x = S(&|x| {
|
|
| -- return type of closure is &X<'4>
|
|
| |
|
|
| has type `&X<'3>`
|
|
LL | println!("hi");
|
|
LL | x
|
|
| ^ returning this value requires that `'3` must outlive `'4`
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0106`.
|