Add Swift example with non-generated code :D

src/objective-c/examples/SwiftSample/Bridging-Header.h

@@ -34,5 +34,10 @@
 #ifndef SwiftSample_Bridging_Header_h
 #define SwiftSample_Bridging_Header_h
 
+#import <RxLibrary/GRXWriteable.h>
+#import <RxLibrary/GRXWriter.h>
+#import <RxLibrary/GRXWriter+Immediate.h>
+#import <GRPCClient/GRPCCall.h>
+#import <ProtoRPC/ProtoMethod.h>
 
 #endif

src/objective-c/examples/SwiftSample/ViewController.swift

@@ -37,7 +37,25 @@ class ViewController: UIViewController {
 
   override func viewDidLoad() {
     super.viewDidLoad()
-    // Do any additional setup after loading the view, typically from a nib.
+
+    let RemoteHost = "grpc-test.sandbox.google.com"
+
+    // Same example call using the generic gRPC client library:
+
+    let method = ProtoMethod(package: "grpc.testing", service: "TestService", method: "UnaryCall")
+
+    let requestsWriter = GRXWriter(value: NSData())
+
+    let call = GRPCCall(host: RemoteHost, path: method.HTTPPath, requestsWriter: requestsWriter)
+
+    let responsesWriteable = GRXWriteable { (value: AnyObject?, error: NSError?) in
+      if let value = value as? NSData {
+        NSLog("Received response:\n\(value)")
+      } else {
+        NSLog("Finished with error: \(error!)")
+      }
     }
-}
 
+    call.startWithWriteable(responsesWriteable)
+  }
+}