fix helloworld
diff --git a/cpp/helloworld/greeter_client.cc b/cpp/helloworld/greeter_client.cc
index 44e4447..dd0358a 100644
--- a/cpp/helloworld/greeter_client.cc
+++ b/cpp/helloworld/greeter_client.cc
@@ -36,16 +36,14 @@
#include <string>
#include <grpc/grpc.h>
-#include <grpc++/channel_arguments.h>
-#include <grpc++/channel_interface.h>
+#include <grpc++/channel.h>
#include <grpc++/client_context.h>
#include <grpc++/create_channel.h>
#include <grpc++/credentials.h>
-#include <grpc++/status.h>
#include "helloworld.grpc.pb.h"
+using grpc::Channel;
using grpc::ChannelArguments;
-using grpc::ChannelInterface;
using grpc::ClientContext;
using grpc::Status;
using helloworld::HelloRequest;
@@ -54,7 +52,7 @@
class GreeterClient {
public:
- GreeterClient(std::shared_ptr<ChannelInterface> channel)
+ GreeterClient(std::shared_ptr<Channel> channel)
: stub_(Greeter::NewStub(channel)) {}
std::string SayHello(const std::string& user) {