mirror of https://github.com/rust-lang/rust
56 lines
2.6 KiB
Plaintext
56 lines
2.6 KiB
Plaintext
error[E0582]: binding for associated type `Item` references lifetime `'missing`, which does not appear in the trait input types
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--> $DIR/span-bug-issue-121457.rs:13:51
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LL | fn iter(&self) -> impl for<'missing> Iterator<Item = Self::Item<'missing>> {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error[E0582]: binding for associated type `Item` references lifetime `'missing`, which does not appear in the trait input types
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--> $DIR/span-bug-issue-121457.rs:13:51
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LL | fn iter(&self) -> impl for<'missing> Iterator<Item = Self::Item<'missing>> {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error[E0195]: lifetime parameters or bounds on type `Item` do not match the trait declaration
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--> $DIR/span-bug-issue-121457.rs:10:14
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LL | type Item<'a>
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| ---- lifetimes in impl do not match this type in trait
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LL | where
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LL | Self: 'a;
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| -- this bound might be missing in the impl
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...
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LL | type Item = u32;
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| ^ lifetimes do not match type in trait
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error[E0277]: `()` is not an iterator
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--> $DIR/span-bug-issue-121457.rs:13:23
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LL | fn iter(&self) -> impl for<'missing> Iterator<Item = Self::Item<'missing>> {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not an iterator
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= help: the trait `Iterator` is not implemented for `()`
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warning: impl trait in impl method signature does not match trait method signature
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--> $DIR/span-bug-issue-121457.rs:13:51
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LL | fn iter(&self) -> impl Iterator;
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| ------------- return type from trait method defined here
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...
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LL | fn iter(&self) -> impl for<'missing> Iterator<Item = Self::Item<'missing>> {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ this bound is stronger than that defined on the trait
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= note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
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= note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
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= note: `#[warn(refining_impl_trait_reachable)]` on by default
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help: replace the return type so that it matches the trait
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LL | fn iter(&self) -> impl Iterator {}
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| ~~~~~~~~~~~~~
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error: aborting due to 4 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0195, E0277, E0582.
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For more information about an error, try `rustc --explain E0195`.
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