package main

import (
	"fmt"
	"log"
	yaml "gopkg.in/yaml.v1"
)

func main() {
	fmt.Println(m1())
	fmt.Println(m2())
}

func m1() string  {
	type foo struct {
		X int
		Z string
	}
	data, err := yaml.Marshal(&foo{24, "blah"})
	if err != nil {
		log.Fatal(err)
	}
	return string(data)
}

func m2() string {
	type foo struct {
		X string
		W int
	}
	data, err := yaml.Marshal(&foo{"hello", 99})
	if err != nil {
		log.Fatal(err)
	}
	return string(data)
}