refactor(lib): convert to futures 0.2.0-beta (#1470)

src/server/service.rs

@@ -1,64 +0,0 @@
-use std::marker::PhantomData;
-use std::sync::Arc;
-
-use futures::IntoFuture;
-use tokio_service::{NewService, Service};
-
-/// Create a `Service` from a function.
-pub fn service_fn<F, R, S>(f: F) -> ServiceFn<F, R>
-where
-    F: Fn(R) -> S,
-    S: IntoFuture,
-{
-    ServiceFn {
-        f: f,
-        _req: PhantomData,
-    }
-}
-
-/// Create a `NewService` by sharing references of `service.
-pub fn const_service<S>(service: S) -> ConstService<S> {
-    ConstService {
-        svc: Arc::new(service),
-    }
-}
-
-#[derive(Debug)]
-pub struct ServiceFn<F, R> {
-    f: F,
-    _req: PhantomData<fn() -> R>,
-}
-
-impl<F, R, S> Service for ServiceFn<F, R>
-where
-    F: Fn(R) -> S,
-    S: IntoFuture,
-{
-    type Request = R;
-    type Response = S::Item;
-    type Error = S::Error;
-    type Future = S::Future;
-
-    fn call(&self, req: Self::Request) -> Self::Future {
-        (self.f)(req).into_future()
-    }
-}
-
-#[derive(Debug)]
-pub struct ConstService<S> {
-    svc: Arc<S>,
-}
-
-impl<S> NewService for ConstService<S>
-where
-    S: Service,
-{
-    type Request = S::Request;
-    type Response = S::Response;
-    type Error = S::Error;
-    type Instance = Arc<S>;
-
-    fn new_service(&self) -> ::std::io::Result<Self::Instance> {
-        Ok(self.svc.clone())
-    }
-}