23 lines
419 B
Rust
23 lines
419 B
Rust
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trait Identity {
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type Identity;
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}
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impl<T> Identity for T {
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type Identity = T;
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}
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trait Trait {
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type Assoc: Identity;
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fn tokenize(&self) -> <Self::Assoc as Identity>::Identity;
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}
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impl Trait for () {
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type Assoc = DoesNotExist;
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//~^ ERROR cannot find type `DoesNotExist` in this scope
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fn tokenize(&self) -> <Self::Assoc as Identity>::Identity {
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unimplemented!()
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}
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}
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fn main() {}
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