rust/tests/ui/inference/issue-70703.rs
2024-02-16 20:02:50 +00:00

27 lines
411 B
Rust

//@ check-pass
trait Factory {
type Product;
}
impl Factory for () {
type Product = ();
}
trait ProductConsumer<P> {
fn consume(self, product: P);
}
impl<P> ProductConsumer<P> for () {
fn consume(self, _: P) {}
}
fn make_product_consumer<F: Factory>(_: F) -> impl ProductConsumer<F::Product> {
()
}
fn main() {
let consumer = make_product_consumer(());
consumer.consume(());
}