mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
25 lines
1.0 KiB
Plaintext
25 lines
1.0 KiB
Plaintext
error[E0106]: missing lifetime specifier
|
|
--> $DIR/unboxed-closure-sugar-lifetime-elision.rs:26:39
|
|
|
|
|
LL | let _: dyn Foo(&isize, &usize) -> &usize;
|
|
| ------ ------ ^ expected named lifetime parameter
|
|
|
|
|
= help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from argument 1 or argument 2
|
|
= note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html
|
|
help: consider making the bound lifetime-generic with a new `'a` lifetime
|
|
|
|
|
LL | let _: dyn for<'a> Foo(&'a isize, &'a usize) -> &'a usize;
|
|
| +++++++ ++ ++ ++
|
|
help: consider introducing a named lifetime parameter
|
|
|
|
|
LL ~ fn main<'a>() {
|
|
LL | eq::< dyn for<'a> Foo<(&'a isize,), Output=&'a isize>,
|
|
...
|
|
LL |
|
|
LL ~ let _: dyn Foo(&'a isize, &'a usize) -> &'a usize;
|
|
|
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0106`.
|