Add Welsh

hello.go

@@ -4,14 +4,18 @@ import "fmt"
 
 const englishHelloPrefix = "Hello, "
 
-func Hello(name string) string {
+func Hello(name string, language string) string {
 	if name == "" {
 		name = "World"
 	}
 
+	if language == "Welsh" {
+		return "Helo, " + name
+	}
+
 	return englishHelloPrefix + name
 }
 
 func main() {
-	fmt.Println(Hello("Oliver"))
+	fmt.Println(Hello("Oliver", ""))
 }

hello_test.go

@@ -12,16 +12,23 @@ func TestHello(t *testing.T) {
 	}
 
 	t.Run("saying hello to people", func (t *testing.T) {
-		got := Hello("Oliver")
+		got := Hello("Oliver", "")
 		want := "Hello, Oliver"
 
 		assertCorrectMessage(t, got, want)
 	})
 
 	t.Run("say 'Hello, World' when an empty string is supplied", func (t *testing.T) {
-		got := Hello("")
+		got := Hello("", "")
 		want := "Hello, World"
 
 		assertCorrectMessage(t, got, want)
 	})
+
+	t.Run("in Welsh", func (t *testing.T) {
+		got := Hello("Oliver", "Welsh")
+		want := "Helo, Oliver"
+
+		assertCorrectMessage(t, got, want)
+	})
 }