mirror of https://github.com/rust-lang/rust
24 lines
458 B
Rust
24 lines
458 B
Rust
//@ check-pass
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// Defaulted assoc. types should normalize properly in impls that don't
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// override them.
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#![feature(associated_type_defaults)]
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pub struct Foo;
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pub trait CanDecode: Sized {
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type Output = Self;
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fn read(rdr: &mut Foo) -> Option<Self::Output>;
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}
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impl CanDecode for u8 {
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fn read(rdr: &mut Foo) -> Option<Self::Output> { Some(42) }
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}
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impl CanDecode for u16 {
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fn read(rdr: &mut Foo) -> Option<u16> { Some(17) }
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}
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fn main() {}
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