| error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements |
| --> $DIR/issue-20831-debruijn.rs:28:33 |
| | |
| LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| note: first, the lifetime cannot outlive the anonymous lifetime as defined here... |
| --> $DIR/issue-20831-debruijn.rs:28:67 |
| | |
| LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) { |
| | ^^^^^^^^^ |
| note: ...but the lifetime must also be valid for the lifetime `'a` as defined here... |
| --> $DIR/issue-20831-debruijn.rs:26:6 |
| | |
| LL | impl<'a> Publisher<'a> for MyStruct<'a> { |
| | ^^ |
| note: ...so that the types are compatible |
| --> $DIR/issue-20831-debruijn.rs:28:33 |
| | |
| LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| = note: expected `<MyStruct<'a> as Publisher<'_>>` |
| found `<MyStruct<'_> as Publisher<'_>>` |
| |
| error: lifetime may not live long enough |
| --> $DIR/issue-20831-debruijn.rs:28:5 |
| | |
| LL | impl<'a> Publisher<'a> for MyStruct<'a> { |
| | -- lifetime `'a` defined here |
| LL | type Output = u64; |
| LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | | | |
| | | has type `Box<dyn Subscriber<Input = <MyStruct<'_> as Publisher<'1>>::Output>>` |
| | requires that `'a` must outlive `'1` |
| |
| error: lifetime may not live long enough |
| --> $DIR/issue-20831-debruijn.rs:28:5 |
| | |
| LL | impl<'a> Publisher<'a> for MyStruct<'a> { |
| | -- lifetime `'a` defined here |
| LL | type Output = u64; |
| LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | | | |
| | | has type `Box<dyn Subscriber<Input = <MyStruct<'_> as Publisher<'1>>::Output>>` |
| | requires that `'1` must outlive `'a` |
| |
| error: aborting due to 3 previous errors |
| |
| For more information about this error, try `rustc --explain E0495`. |
