func YamlKeys()

in herokuish.go [15:37]

• 23 lines of code
• 7 McCabe index (conditional complexity)

func YamlKeys(args []string) {
	bytes, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		log.Fatal(err)
	}
	var m interface{}
	err = yaml.Unmarshal(bytes, &m)
	if err != nil {
		log.Fatal(err)
	}
	for _, arg := range args {
		if m == nil {
			break
		}
		m = m.(map[interface{}]interface{})[arg]
	}
	n, ok := m.(map[interface{}]interface{})
	if ok {
		for key := range n {
			fmt.Printf("%s\n", key)
		}
	}
}