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26 lines
588 B
Rust
26 lines
588 B
Rust
// check-pass
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// Test that impls on projected self types can resolve overlap, even when the
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// projections involve specialization, so long as the associated type is
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// provided by the most specialized impl.
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#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
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trait Assoc {
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type Output;
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}
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impl<T> Assoc for T {
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default type Output = bool;
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}
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impl Assoc for u8 { type Output = u8; }
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impl Assoc for u16 { type Output = u16; }
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trait Foo {}
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impl Foo for u32 {}
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impl Foo for <u8 as Assoc>::Output {}
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impl Foo for <u16 as Assoc>::Output {}
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fn main() {}
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