Cleaning up code

Getting rid of request url, call id, method: all of them are
 redundant and available through env

examples/formats/json/go/func.go

@@ -12,51 +12,35 @@ type Person struct {
 }
 
 type JSONInput struct {
-	RequestURL string `json:"request_url"`
-	CallID     string `json:"call_id"`
-	Method     string `json:"method"`
-	Body       string `json:"body"`
-}
-
-func (a *JSONInput) String() string {
-	return fmt.Sprintf("request_url=%s\ncall_id=%s\nmethod=%s\n\nbody=%s",
-		a.RequestURL, a.CallID, a.Method, a.Body)
-}
-
-type JSONOutput struct {
-	StatusCode int `json:"status"`
 	Body string `json:"body"`
 }
 
+type JSONOutput struct {
+	StatusCode int    `json:"status"`
+	Body       string `json:"body"`
+}
+
 func main() {
-	// p := &Person{Name: "World"}
-	// json.Unmarshal(os.Stdin).Decode(p)
-	// mapD := map[string]string{"message": fmt.Sprintf("Hello %s", p.Name)}
-	// mapB, _ := json.Marshal(mapD)
-	// fmt.Println(string(mapB))
 
 	dec := json.NewDecoder(os.Stdin)
 	enc := json.NewEncoder(os.Stdout)
-	var loopCounter = 0
 	for {
-		loopCounter++
-		log.Println("loopCounter:", loopCounter)
 
 		in := &JSONInput{}
 		if err := dec.Decode(in); err != nil {
 			log.Fatalln(err)
 			return
 		}
-		log.Println("JSONInput: ", in)
 
 		person := Person{}
-                if in.Body != "" {
+		if in.Body != "" {
 			if err := json.Unmarshal([]byte(in.Body), &person); err != nil {
 				log.Fatalln(err)
 			}
-                }
-
-		log.Println("Person: ", person)
+		}
+		if person.Name == "" {
+			person.Name = "World"
+		}
 
 		mapResult := map[string]string{"message": fmt.Sprintf("Hello %s", person.Name)}
 		out := &JSONOutput{StatusCode: 200}