main.go

package main

import (
	"fmt"
	//_ "github.com/team-ide/go-dialect/dialect"
	//_ "github.com/team-ide/go-dialect/worker"
	//_ "github.com/team-ide/go-tool/api_baidu"
	//_ "github.com/team-ide/go-tool/api_github"
	//_ "github.com/team-ide/go-tool/data_engine"
	//_ "github.com/team-ide/go-tool/datamove"
	//_ "github.com/team-ide/go-tool/db"
	//_ "github.com/team-ide/go-tool/db/db_type_dm"
	//_ "github.com/team-ide/go-tool/db/db_type_gbase"
	//_ "github.com/team-ide/go-tool/db/db_type_kingbase"
	//_ "github.com/team-ide/go-tool/db/db_type_mysql"
	//_ "github.com/team-ide/go-tool/db/db_type_odbc"
	//_ "github.com/team-ide/go-tool/db/db_type_opengauss"
	//_ "github.com/team-ide/go-tool/db/db_type_oracle"
	//_ "github.com/team-ide/go-tool/db/db_type_postgresql"
	//_ "github.com/team-ide/go-tool/db/db_type_shentong"
	//_ "github.com/team-ide/go-tool/db/db_type_sqlite"
	//_ "github.com/team-ide/go-tool/elasticsearch"
	//_ "github.com/team-ide/go-tool/javascript"
	//_ "github.com/team-ide/go-tool/kafka"
	//_ "github.com/team-ide/go-tool/metric"
	//_ "github.com/team-ide/go-tool/mongodb"
	//_ "github.com/team-ide/go-tool/qrcode"
	//_ "github.com/team-ide/go-tool/redis"
	//_ "github.com/team-ide/go-tool/task"
	//_ "github.com/team-ide/go-tool/thrift"
	//_ "github.com/team-ide/go-tool/util"
	//_ "github.com/team-ide/go-tool/webproxy"
	//_ "github.com/team-ide/go-tool/zookeeper"
)

func main() {
	a := &A{}
	a.extend = "aaa"
	b := &B{}
	b.extend = "bbb"
	out(a)
	out(b)
}

func out(iFace BaseIFace) {
	fmt.Println(iFace.GetExtend())
}

type Base struct {
	extend interface{}
}

type BaseIFace interface {
	GetExtend() interface{}
}

func (this_ *Base) GetExtend() interface{} {
	if this_ == nil {
		return nil
	}
	return this_.extend
}

type A struct {
	Base
}

type B struct {
	Base
}