26 lines
643 B
Rust
26 lines
643 B
Rust
// Check that we eventually catch types of assoc const bounds
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// (containing late-bound vars) that are ill-formed.
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#![feature(associated_const_equality)]
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trait Trait<T> {
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const K: T;
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}
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fn take(
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_: impl Trait<
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<<for<'a> fn(&'a str) -> &'a str as Project>::Out as Discard>::Out,
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K = { () }
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>,
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) {}
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//~^^^^^^ ERROR implementation of `Project` is not general enough
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//~^^^^ ERROR higher-ranked subtype error
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//~| ERROR higher-ranked subtype error
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trait Project { type Out; }
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impl<T> Project for fn(T) -> T { type Out = T; }
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trait Discard { type Out; }
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impl<T: ?Sized> Discard for T { type Out = (); }
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fn main() {}
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