enum to string / string to enum in Go

sample.go

package main

import (
	"fmt"
)

type Event uint8
const (
	Create Event = iota
	Delete
	Update
)

func (e Event) String() string {
	return map[Event]string{Create: "create", Delete: "delete", Update: "update"}[e]
}

func FromString(data string) Event {
	return map[string]Event{
		"create": Create,
		"delete": Delete,
		"update": Update,
	}[data]
}

func main() {
	a := Delete
	fmt.Println(a)

	b := "update"
	fmt.Println(FromString(b))
}