minor refactoring; update README example to actual fizz-buzz

README.md

@@ -32,7 +32,7 @@ or you can run it in the source folder by running
 
 Then, you can query the server via http, providing the required parameters:
 
-    $ curl 'http://localhost:8080/?string1=a&string2=b&int1=3&int2=2&limit=14'
+    $ curl 'http://localhost:8080/?string1=fizz&string2=buzz&int1=3&int2=5&limit=100'
 
 fizzbuzz-lbc expects 5 parameters:
 

fizzbuzz/fizzbuzz.go

@@ -16,12 +16,13 @@ func (in *inputs) generateFizzbuzz() []string {
 		return out
 	}
 	for j := 1; j <= in.limit; j++ {
+		multipleOf1, multipleOf2 := isAMultiple(j, in.int1), isAMultiple(j, in.int2)
 		switch {
-		case isAMultiple(j, in.int1) && isAMultiple(j, in.int2):
+		case multipleOf1 && multipleOf2:
 			out = append(out, in.string1+in.string2)
-		case isAMultiple(j, in.int1):
+		case multipleOf1:
 			out = append(out, in.string1)
-		case isAMultiple(j, in.int2):
+		case multipleOf2:
 			out = append(out, in.string2)
 		default:
 			out = append(out, fmt.Sprint(j))

fizzbuzz/server.go

@@ -32,15 +32,15 @@ func (s *Server) handleFizzBuzz(w http.ResponseWriter, r *http.Request) {
 	in.string2 = r.URL.Query().Get("string2")
 
 	var err error
-	if in.int1, err = parseInt(r.URL, "int1"); err != nil {
+	if in.int1, err = parseIntFromURL(r.URL, "int1"); err != nil {
 		http.Error(w, err.Error(), http.StatusBadRequest)
 		return
 	}
-	if in.int2, err = parseInt(r.URL, "int2"); err != nil {
+	if in.int2, err = parseIntFromURL(r.URL, "int2"); err != nil {
 		http.Error(w, err.Error(), http.StatusBadRequest)
 		return
 	}
-	if in.limit, err = parseInt(r.URL, "limit"); err != nil {
+	if in.limit, err = parseIntFromURL(r.URL, "limit"); err != nil {
 		http.Error(w, err.Error(), http.StatusBadRequest)
 		return
 	}
@@ -51,7 +51,7 @@ func (s *Server) handleFizzBuzz(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func parseInt(url *url.URL, paramName string) (int, error) {
+func parseIntFromURL(url *url.URL, paramName string) (int, error) {
 	if param := url.Query().Get(paramName); param != "" {
 		intParam, err := strconv.Atoi(param)
 		if err != nil {