added the example for worker

example/Makefile

@@ -0,0 +1,18 @@
+# Copyright 2009 The Go Authors.  All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+include $(GOROOT)/src/Make.inc
+
+TARG=gearman
+
+# GOFILES=\
+#	worker.go\
+
+CLEANFILES+= worker
+
+include $(GOROOT)/src/Make.pkg
+
+%: %.go
+	$(GC) $*.go
+	$(LD) -o $@ $*.$O

example/worker.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+    "gearman"
+    "fmt"
+    "log"
+    "os"
+    "strings"
+)
+
+func ToUpper(job *gearman.Job) ([]byte, os.Error) {
+    data := []byte(strings.ToUpper(string(job.Data)))
+    return data, nil
+}
+
+func main() {
+    worker := gearman.NewWorker()
+    worker.AddServer("127.0.0.1:4730")
+    worker.AddFunction("ToUpper", ToUpper, 0)
+    worker.AddFunction("ToUpperTimeOut5", ToUpper, 5)
+
+    go func() {
+        log.Println("start worker")
+        for {
+            print("cmd: ")
+            var str string
+            fmt.Scan(&str)
+            switch str {
+                case "echo":
+                    worker.Echo([]byte("Hello world!"))
+                    job := <-worker.Queue
+                    log.Println(string(job.Data))
+                case "quit":
+                    worker.Close()
+                    return
+                case "result":
+                    job := <-worker.Queue
+                    log.Println(string(job.Data))
+                default:
+                    log.Println("Unknown command")
+            }
+        }
+    }()
+    worker.Work()
+}