29 lines
492 B
Rust
29 lines
492 B
Rust
//@ known-bug: #137049
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//@ compile-flags: --crate-type=lib
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#![feature(type_alias_impl_trait)]
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use std::marker::PhantomData;
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trait Project1 {
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type Assoc1;
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}
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impl<T> Project1 for T {
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type Assoc1 = ();
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}
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trait Project2 {
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type Assoc2;
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}
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impl<T: Project1<Assoc1 = ()>> Project2 for PhantomData<T> {
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type Assoc2 = ();
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}
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type Alias<T> = impl Project2;
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fn constrain<T>() -> Alias<T> {
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PhantomData::<T>
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}
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struct AdtConstructor<T: Project1>(<Alias<T> as Project2>::Assoc2);
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