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|
note: external requirements
--> $DIR/ty-param-closure-outlives-from-return-type.rs:26:23
|
LL | with_signature(x, |y| y)
| ^^^
|
= note: defining type: no_region::<'?1, T>::{closure#0} with closure args [
i32,
extern "rust-call" fn((std::boxed::Box<T>,)) -> std::boxed::Box<(dyn std::fmt::Debug + '?2)>,
(),
]
= note: number of external vids: 3
= note: where T: '?2
note: no external requirements
--> $DIR/ty-param-closure-outlives-from-return-type.rs:15:1
|
LL | / fn no_region<'a, T>(x: Box<T>) -> Box<dyn Debug + 'a>
LL | | where
LL | | T: Debug,
| |_____________^
|
= note: defining type: no_region::<'?1, T>
error[E0309]: the parameter type `T` may not live long enough
--> $DIR/ty-param-closure-outlives-from-return-type.rs:26:27
|
LL | fn no_region<'a, T>(x: Box<T>) -> Box<dyn Debug + 'a>
| -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
...
LL | with_signature(x, |y| y)
| ^ ...so that the type `T` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound
|
LL | T: Debug + 'a,
| ++++
error[E0309]: the parameter type `T` may not live long enough
--> $DIR/ty-param-closure-outlives-from-return-type.rs:41:5
|
LL | fn wrong_region<'a, 'b, T>(x: Box<T>) -> Box<Debug + 'a>
| -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
...
LL | x
| ^ ...so that the type `T` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound
|
LL | T: 'b + Debug + 'a,
| ++++
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0309`.
|
