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// Found in a crater run on #118553
pub trait Debug {}
pub trait Service {
type Input;
type Output;
type Error;
}
pub struct ServiceChain<P, S> {
prev: P,
service: S,
}
impl<P: Service, S: Service<Input = P::Output>> Service for ServiceChain<P, S>
where
P::Error: 'static,
S::Error: 'static,
{
type Input = P::Input;
type Output = S::Output;
type Error = ();
}
pub struct ServiceChainBuilder<P: Service, S: Service<Input = P::Output>> {
chain: ServiceChain<P, S>,
}
impl<P: Service, S: Service<Input = P::Output>> ServiceChainBuilder<P, S> {
pub fn next<NS: Service<Input = S::Output>>(
self,
) -> ServiceChainBuilder<ServiceChain<P, S>, NS> {
//~^ the associated type
//~| the associated type
//~| the associated type
panic!();
}
}
fn main() {}
|
