commit c2e53b5af4830c14d5cda72bba20df2855789300
author Muxi Yan <mxyan@google.com> Wed Mar 22 14:30:16 2017 -0700
committer Muxi Yan <mxyan@google.com> Wed Mar 22 14:30:16 2017 -0700
tree c70183b10ec1a009269719df6ced9ccb6c1b0c62
parent 9f74e838e2cfdba10176e9fda3baa3dfe45a5ac0

Addressed the comments

src/objective-c/GRPCClient/GRPCCall.m

diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index 7d928f8..051138e 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -107,8 +107,11 @@
 
   GRPCRequestHeaders *_requestHeaders;
 
+  // In the case that the call is a unary call (i.e. the writer to GRPCCall is of type
+  // GRXImmediateSingleWriter), GRPCCall will delay sending ops (not send them to C core
+  // immediately) and buffer them into a batch _unaryOpBatch. The batch is sent to C core when
+  // the SendClose op is added.
   BOOL _unaryCall;
-
   NSMutableArray *_unaryOpBatch;
 }