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use core::{
future::Future,
marker::PhantomData,
pin::Pin,
};
use crate::internal::base::*;
pub struct SendValue<T, A>(PhantomData<(T, A)>);
impl<T, A> SealedProtocol for SendValue<T, A> {}
impl<T, A> Protocol for SendValue<T, A>
where
T: Send + 'static,
A: Protocol,
{
type ClientEndpoint = ReceiverOnce<(Value<T>, A::ClientEndpoint)>;
type ProviderEndpoint = SenderOnce<(Value<T>, A::ClientEndpoint)>;
fn create_endpoints() -> (Self::ProviderEndpoint, Self::ClientEndpoint)
{
once_channel()
}
fn forward(
client_end: Self::ClientEndpoint,
provider_end: Self::ProviderEndpoint,
) -> Pin<Box<dyn Future<Output = ()> + Send + 'static>>
{
Box::pin(async {
let payload = client_end.recv().await.unwrap();
provider_end.send(payload).unwrap();
})
}
}
impl<X, T, A> RecApp<X> for SendValue<T, A>
where
T: Send + 'static,
A: RecApp<X>,
{
type Applied = SendValue<T, A::Applied>;
}
impl<T, A, X> SharedRecApp<X> for SendValue<T, A>
where
T: Send + 'static,
A: SharedRecApp<X>,
{
type Applied = SendValue<T, A::Applied>;
}