chore(examples): Remove dummy echo implementation (#1178)

examples/src/multiplex/client.rs

@@ -3,7 +3,7 @@ pub mod hello_world {
 }
 
 pub mod echo {
-    tonic::include_proto!("grpc.examples.echo");
+    tonic::include_proto!("grpc.examples.unaryecho");
 }
 
 use echo::{echo_client::EchoClient, EchoRequest};

examples/src/multiplex/server.rs

@@ -1,5 +1,3 @@
-use futures::Stream;
-use std::pin::Pin;
 use tonic::{transport::Server, Request, Response, Status};
 
 pub mod hello_world {
@@ -7,7 +5,7 @@ pub mod hello_world {
 }
 
 pub mod echo {
-    tonic::include_proto!("grpc.examples.echo");
+    tonic::include_proto!("grpc.examples.unaryecho");
 }
 
 use hello_world::{
@@ -20,8 +18,6 @@ use echo::{
     EchoRequest, EchoResponse,
 };
 
-type ResponseStream = Pin<Box<dyn Stream<Item = Result<EchoResponse, Status>> + Send>>;
-
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let addr = "[::1]:50051".parse().unwrap();
@@ -66,29 +62,4 @@ impl Echo for MyEcho {
         let message = request.into_inner().message;
         Ok(Response::new(EchoResponse { message }))
     }
-
-    type ServerStreamingEchoStream = ResponseStream;
-
-    async fn server_streaming_echo(
-        &self,
-        _: Request<EchoRequest>,
-    ) -> Result<Response<Self::ServerStreamingEchoStream>, Status> {
-        Err(Status::unimplemented("Not yet implemented"))
-    }
-
-    async fn client_streaming_echo(
-        &self,
-        _: Request<tonic::Streaming<EchoRequest>>,
-    ) -> Result<Response<EchoResponse>, Status> {
-        Err(Status::unimplemented("Not yet implemented"))
-    }
-
-    type BidirectionalStreamingEchoStream = ResponseStream;
-
-    async fn bidirectional_streaming_echo(
-        &self,
-        _: Request<tonic::Streaming<EchoRequest>>,
-    ) -> Result<Response<Self::BidirectionalStreamingEchoStream>, Status> {
-        Err(Status::unimplemented("Not yet implemented"))
-    }
 }