mirror of https://github.com/rust-lang/rust
26 lines
663 B
Rust
26 lines
663 B
Rust
// Test that encountering closures during coherence does not cause issues.
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#![feature(type_alias_impl_trait, coroutines)]
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#![cfg_attr(specialized, feature(specialization))]
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#![allow(incomplete_features)]
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//@ revisions: stock specialized
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//@ [specialized]check-pass
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type OpaqueCoroutine = impl Sized;
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fn defining_use() -> OpaqueCoroutine {
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#[coroutine]
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|| {
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for i in 0..10 {
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yield i;
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}
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}
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}
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struct Wrapper<T>(T);
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trait Trait {}
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impl Trait for Wrapper<OpaqueCoroutine> {}
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impl<T: Sync> Trait for Wrapper<T> {}
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//[stock]~^ ERROR conflicting implementations of trait `Trait` for type `Wrapper<OpaqueCoroutine>`
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fn main() {}
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