go-note/basic/model/people_test.go

package model

import "testing"

func TestPeople_GetAge(t *testing.T) {
	//接口不能实例化，只能对接口的结构体实例化
	peo := &People{"derek"}
	allrun(peo) //derek在跑步
	//多态，条件不同结果不同
	a := &Animal{"小狗"}
	allrun(a) //小狗在跑步
}