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Diffstat (limited to '')
-rw-r--r-- | tests/ui/traits/new-solver/generator.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/generator.rs b/tests/ui/traits/new-solver/generator.rs new file mode 100644 index 000000000..364373ca8 --- /dev/null +++ b/tests/ui/traits/new-solver/generator.rs @@ -0,0 +1,32 @@ +// compile-flags: -Ztrait-solver=next +// edition: 2021 +// revisions: pass fail +//[pass] check-pass + +#![feature(generator_trait, generators)] + +use std::ops::Generator; + +struct A; +struct B; +struct C; + +fn needs_generator(_: impl Generator<A, Yield = B, Return = C>) {} + +#[cfg(fail)] +fn main() { + needs_generator(|| { + //[fail]~^ ERROR Generator<A>` is not satisfied + //[fail]~| ERROR as Generator<A>>::Yield == B` + //[fail]~| ERROR as Generator<A>>::Return == C` + yield (); + }); +} + +#[cfg(pass)] +fn main() { + needs_generator(|_: A| { + let _: A = yield B; + C + }) +} |