mirror of https://github.com/rust-lang/rust
34 lines
1.6 KiB
Plaintext
34 lines
1.6 KiB
Plaintext
error[E0700]: hidden type for `impl Swap + 'a` captures lifetime that does not appear in bounds
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--> $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 {
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| -- -------------- opaque type defined here
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| |
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| hidden type `&'a mut &'b T` captures the lifetime `'b` as defined here
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LL | x
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| ^
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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 {
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| ++++
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error[E0700]: hidden type for `impl Swap + 'a` captures lifetime that does not appear in bounds
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--> $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 {
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| -- -------------- opaque type defined here
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| |
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| hidden type `Rc<RefCell<&'b T>>` captures the lifetime `'b` as defined here
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LL | x
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| ^
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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 {
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| ++++
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0700`.
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