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