mirror of https://github.com/rust-lang/rust
29 lines
452 B
Rust
29 lines
452 B
Rust
//@ run-pass
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#![allow(unused_variables)]
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use std::marker::PhantomData;
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struct TheType<T> {
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t: PhantomData<T>
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}
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pub trait TheTrait {
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type TheAssociatedType;
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}
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impl TheTrait for () {
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type TheAssociatedType = ();
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}
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pub trait Shape<P: TheTrait> {
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fn doit(&self) {
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}
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}
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impl<P: TheTrait> Shape<P> for TheType<P::TheAssociatedType> {
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}
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fn main() {
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let ball = TheType { t: PhantomData };
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let handle: &dyn Shape<()> = &ball;
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}
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