Hello: multi language v2

hello.go

@@ -7,33 +7,36 @@ import (
 const (
 	english = "English"
 	spanish = "Spanish"
-
-	englishHelloPrefix = "Hello "
-	spanishHelloPrefix = "Hola "
-
-	englishDefaultWorld = "world"
-	spanishDefaultWorld = "Mundo"
 )
 
-func getDefaultWorldByLanguage(language string) string {
-	switch language {
-	case english:
-		return englishDefaultWorld
-	case spanish:
-		return spanishDefaultWorld
-	}
+var (
+	helloPrefixMap  map[string]string
+	defaultWorldMap map[string]string
+)
 
-	return englishDefaultWorld
+func initDefaults() {
+	initPrefixMap()
+	initWorldMap()
+}
+
+func initPrefixMap() {
+	helloPrefixMap = make(map[string]string)
+	helloPrefixMap[english] = "Hello "
+	helloPrefixMap[spanish] = "Hola "
+}
+
+func initWorldMap() {
+	defaultWorldMap = make(map[string]string)
+	defaultWorldMap[english] = "world"
+	defaultWorldMap[spanish] = "Mundo"
+}
+
+func getDefaultWorldByLanguage(language string) string {
+	return defaultWorldMap[language]
 }
 
 func getHelloPrefixByLanguage(language string) string {
-	switch language {
-	case english:
-		return englishHelloPrefix
-	case spanish:
-		return spanishHelloPrefix
-	}
-	return englishHelloPrefix
+	return helloPrefixMap[language]
 }
 
 func Hello(name, language string) string {
@@ -46,5 +49,6 @@ func Hello(name, language string) string {
 }
 
 func main() {
+	initDefaults()
 	fmt.Println(Hello("Mary", "English"))
 }

hello_test.go

@@ -3,6 +3,7 @@ package main
 import "testing"
 
 func TestHello(t *testing.T) {
+	initDefaults()
 	t.Run("Hello someone", func(t *testing.T) {
 		got := Hello("Jason", "English")
 		exp := "Hello Jason"