36 lines
516 B
Rust
36 lines
516 B
Rust
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// check-fail
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// known-bug: #99492
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// edition: 2021
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use std::marker::PhantomData;
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pub struct Struct<I, T>(PhantomData<fn() -> <Self as It>::Item>)
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where
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Self: It;
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impl<I> It for Struct<I, I::Item>
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where
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I: It,
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{
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type Item = ();
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}
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pub trait It {
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type Item;
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}
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fn f() -> impl Send {
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async {
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let _x = Struct::<Empty<&'static ()>, _>(PhantomData);
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async {}.await;
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}
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}
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pub struct Empty<T>(PhantomData<fn() -> T>);
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impl<T> It for Empty<T> {
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type Item = T;
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}
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fn main() {}
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