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error: `for<...>` may only modify trait bounds, not lifetime bounds
--> $DIR/erroneous-lifetime-bound.rs:1:25
|
LL | fn foo<T>() where T: for<'a> 'a {}
| ^^^^
error[E0261]: use of undeclared lifetime name `'a`
--> $DIR/erroneous-lifetime-bound.rs:1:30
|
LL | fn foo<T>() where T: for<'a> 'a {}
| ^^ undeclared lifetime
|
= 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 | fn foo<T>() where for<'a> T: for<'a> 'a {}
| +++++++
help: consider introducing lifetime `'a` here
|
LL | fn foo<'a, T>() where T: for<'a> 'a {}
| +++
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0261`.
|
