sample: add a version using the synchronous API

libnmdc_sample.go

@@ -2,6 +2,7 @@
 
 // This sample file demonstrates use of the libnmdc.go library. It's excluded
 //  when building the library package, but you can run it via `go run libnmdc_sample.go`.
+// This version demonstrates the channel API.
 
 package main
 

libnmdc_sample2.go

@@ -0,0 +1,37 @@
+// +build ignore
+
+// This sample file demonstrates use of the libnmdc.go library. It's excluded
+//  when building the library package, but you can run it via `go run libnmdc_sample.go`.
+// This version demonstrates the sync API.
+
+package main
+
+import (
+	"fmt"
+	"libnmdc"
+)
+
+func main() {
+
+	libnmdc.HubConnectionOptions{
+		Address: "127.0.0.1",
+		Self:    libnmdc.NewUserInfo("slowpoke9"),
+
+		OnEventSync: func(ev libnmdc.HubEvent) {
+			switch event.EventType {
+			case libnmdc.EVENT_CONNECTION_STATE_CHANGED:
+				fmt.Printf("Connection -- %s (%s)\n", event.StateChange.Format(), event.Message)
+
+			case libnmdc.EVENT_PUBLIC:
+				fmt.Printf("Message from '%s': '%s'\n", event.Nick, event.Message)
+				if event.Message == "how are you" {
+					hub.SayPublic("good thanks!")
+				}
+
+			default:
+				fmt.Printf("%+v\n", event)
+
+			}
+		},
+	}.Connect()
+}