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https://github.com/rust-lang/rust
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27 lines
552 B
Rust
27 lines
552 B
Rust
//@ known-bug: #120911
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trait Container {
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type Item<'a>;
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}
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impl Container for () {
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type Item<'a> = ();
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}
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struct Exchange<C, F> {
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_marker: std::marker::PhantomData<(C, F)>,
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}
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fn exchange<C, F>(_: F) -> Exchange<C, F>
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where
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C: Container,
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for<'a> F: FnMut(&C::Item<'a>),
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{
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unimplemented!()
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}
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trait Parallelization<C> {}
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impl<C, F> Parallelization<C> for Exchange<C, F> {}
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fn unary_frontier<P: Parallelization<()>>(_: P) {}
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fn main() {
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let exchange = exchange(|_| ());
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let _ = || {
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unary_frontier(exchange);
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};
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}
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