mirror of https://github.com/rust-lang/rust
34 lines
779 B
Rust
34 lines
779 B
Rust
//@ compile-flags: -Cdebuginfo=2
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//@ build-pass
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// Regression test for #87142
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// This test needs the above flags and the "lib" crate type.
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#![feature(impl_trait_in_assoc_type, coroutine_trait, coroutines)]
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#![crate_type = "lib"]
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use std::ops::Coroutine;
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pub trait CoroutineProviderAlt: Sized {
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type Coro: Coroutine<(), Return = (), Yield = ()>;
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fn start(ctx: Context<Self>) -> Self::Coro;
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}
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pub struct Context<G: 'static + CoroutineProviderAlt> {
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pub link: Box<G::Coro>,
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}
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impl CoroutineProviderAlt for () {
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type Coro = impl Coroutine<(), Return = (), Yield = ()>;
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fn start(ctx: Context<Self>) -> Self::Coro {
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#[coroutine]
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move || {
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match ctx {
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_ => (),
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}
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yield ();
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}
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}
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}
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