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