diff options
Diffstat (limited to 'tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs')
-rw-r--r-- | tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs b/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs new file mode 100644 index 000000000..a3f126d56 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-53678-generator-and-const-fn.rs @@ -0,0 +1,19 @@ +#![feature(generators, generator_trait, rustc_attrs)] +#![feature(type_alias_impl_trait)] + +use std::ops::Generator; + +type GenOnce<Y, R> = impl Generator<Yield = Y, Return = R>; + +const fn const_generator<Y, R>(yielding: Y, returning: R) -> GenOnce<Y, R> { + move || { + yield yielding; + + return returning; + } +} + +const FOO: GenOnce<usize, usize> = const_generator(10, 100); + +#[rustc_error] +fn main() {} //~ ERROR |