| 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`. |