Dynamic create struct in golang

dynamic_struct.go

package main

import (
	"fmt"
)

type Creator func() Plugin

type Plugin interface {
	Pr()
}

var Plugins = map[string]Creator{}

func Add(name string, creator Creator) {
	Plugins[name] = creator
}

func CreatePluginStruct(creator Creator) Plugin {
	return creator()
}

func main() {
	RedisInt()
	name := "redis"
	creator := Plugins[name]
	newstruct := CreatePluginStruct(creator)
	newstruct.Pr()

}

//以下是另一个文件

type Redis struct {
	Name string
}

func (r Redis) Pr() {
	fmt.Println(r.Name)
}

//模拟init()
func RedisInt() {
	Add("redis", func() Plugin {
		return &Redis{Name: "redis"}