Fix R/W template argument order in prototypes

In some cases, the prototype argument order was different
than the declaration order.

Based on a patch from Sam Leffler.

1 files changed, 4 insertions, 4 deletions

diff --git a/include/grpc++/channel.h b/include/grpc++/channel.h
index d6d72a9cf9..de3ebfebd4 100644
--- a/include/grpc++/channel.h
+++ b/include/grpc++/channel.h
@@ -54,13 +54,13 @@ template <class R>
 class ClientReader;
 template <class W>
 class ClientWriter;
-template <class R, class W>
+template <class W, class R>
 class ClientReaderWriter;
 template <class R>
 class ClientAsyncReader;
 template <class W>
 class ClientAsyncWriter;
-template <class R, class W>
+template <class W, class R>
 class ClientAsyncReaderWriter;
 template <class R>
 class ClientAsyncResponseReader;
@@ -98,13 +98,13 @@ class Channel GRPC_FINAL : public GrpcLibrary,
   friend class ::grpc::ClientReader;
   template <class W>
   friend class ::grpc::ClientWriter;
-  template <class R, class W>
+  template <class W, class R>
   friend class ::grpc::ClientReaderWriter;
   template <class R>
   friend class ::grpc::ClientAsyncReader;
   template <class W>
   friend class ::grpc::ClientAsyncWriter;
-  template <class R, class W>
+  template <class W, class R>
   friend class ::grpc::ClientAsyncReaderWriter;
   template <class R>
   friend class ::grpc::ClientAsyncResponseReader;