refactoring

server/response.go

@@ -0,0 +1,17 @@
+package server
+
+import (
+	"encoding/json"
+	"net/http"
+	"log"
+)
+
+func writeJSON(rw http.ResponseWriter, data interface{}) {
+	rw.Header().Set("Content-Type", "application/json; charset=utf-8")
+	reply, err := json.Marshal(data)
+	if err != nil {
+		log.Fatal(err)
+	}
+	rw.Write(reply)
+	rw.Write([]byte("\n"))
+}