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24 lines
462 B
Rust
24 lines
462 B
Rust
// Along with the other tests in this series, illustrates the
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// "projection gap": in this test, we know that `T: 'x`, and that is
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// enough to conclude that `T::Foo: 'x`.
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// check-pass
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#![allow(dead_code)]
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#![allow(unused_variables)]
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trait Trait1<'x> {
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type Foo;
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}
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// calling this fn should trigger a check that the type argument
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// supplied is well-formed.
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fn wf<T>() { }
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fn func<'x, T:Trait1<'x>>(t: &'x T)
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{
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wf::<&'x T::Foo>();
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}
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fn main() { }
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