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error[E0700]: hidden type for `impl Swap + 'a` captures lifetime that does not appear in bounds
--> $DIR/hidden-lifetimes.rs:29:5
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LL | fn hide_ref<'a, 'b, T: 'static>(x: &'a mut &'b T) -> impl Swap + 'a {
| -- hidden type `&'a mut &'b T` captures the lifetime `'b` as defined here
LL | x
| ^
|
help: to declare that `impl Swap + 'a` captures `'b`, you can add an explicit `'b` lifetime bound
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LL | fn hide_ref<'a, 'b, T: 'static>(x: &'a mut &'b T) -> impl Swap + 'a + 'b {
| ++++
error[E0700]: hidden type for `impl Swap + 'a` captures lifetime that does not appear in bounds
--> $DIR/hidden-lifetimes.rs:46:5
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LL | fn hide_rc_refcell<'a, 'b: 'a, T: 'static>(x: Rc<RefCell<&'b T>>) -> impl Swap + 'a {
| -- hidden type `Rc<RefCell<&'b T>>` captures the lifetime `'b` as defined here
LL | x
| ^
|
help: to declare that `impl Swap + 'a` captures `'b`, you can add an explicit `'b` lifetime bound
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LL | fn hide_rc_refcell<'a, 'b: 'a, T: 'static>(x: Rc<RefCell<&'b T>>) -> impl Swap + 'a + 'b {
| ++++
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0700`.
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