diff options
Diffstat (limited to 'src/test/ui/generator/issue-87142.rs')
-rw-r--r-- | src/test/ui/generator/issue-87142.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/generator/issue-87142.rs b/src/test/ui/generator/issue-87142.rs new file mode 100644 index 000000000..fc10d04d4 --- /dev/null +++ b/src/test/ui/generator/issue-87142.rs @@ -0,0 +1,32 @@ +// compile-flags: -Cdebuginfo=2 +// build-pass + +// Regression test for #87142 +// This test needs the above flags and the "lib" crate type. + +#![feature(type_alias_impl_trait, generator_trait, generators)] +#![crate_type = "lib"] + +use std::ops::Generator; + +pub trait GeneratorProviderAlt: Sized { + type Gen: Generator<(), Return = (), Yield = ()>; + + fn start(ctx: Context<Self>) -> Self::Gen; +} + +pub struct Context<G: 'static + GeneratorProviderAlt> { + pub link: Box<G::Gen>, +} + +impl GeneratorProviderAlt for () { + type Gen = impl Generator<(), Return = (), Yield = ()>; + fn start(ctx: Context<Self>) -> Self::Gen { + move || { + match ctx { + _ => (), + } + yield (); + } + } +} |