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32 lines
570 B
Rust
32 lines
570 B
Rust
// Test that we are able to normalize in the list of where-clauses,
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// even if `'a: 'b` is required.
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trait Project<'a, 'b> {
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type Item;
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}
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impl<'a, 'b> Project<'a, 'b> for ()
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where
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'a: 'b,
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{
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type Item = ();
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}
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// No error here, we have 'a: 'b. We used to report an error here
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// though, see https://github.com/rust-lang/rust/issues/45937.
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fn foo<'a: 'b, 'b>()
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where
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<() as Project<'a, 'b>>::Item: Eq,
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{
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}
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// Here we get an error: we need `'a: 'b`.
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fn bar<'a, 'b>()
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//~^ ERROR cannot infer
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where
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<() as Project<'a, 'b>>::Item: Eq,
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{
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}
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fn main() {}
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