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19 lines
491 B
Rust
19 lines
491 B
Rust
pub trait Iterable {
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type Item<'a>
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where
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Self: 'a;
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fn iter(&self) -> impl Iterator;
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}
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impl<'a, I: 'a + Iterable> Iterable for &'a I {
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type Item = u32;
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//~^ ERROR lifetime parameters or bounds on type `Item` do not match the trait declaration
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fn iter(&self) -> impl for<'missing> Iterator<Item = Self::Item<'missing>> {}
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//~^ ERROR binding for associated type `Item` references lifetime `'missing`
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//~| ERROR `()` is not an iterator
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}
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fn main() {}
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