Golang 的零值

package main

import (
        "fmt"   
)

type Student struct {
        Sno             int     		//整型（数值类型）
        Name            string  		//字符串
        Gender          bool    		//布尔类型
        Age             float32 		//浮点型（数值类型）
}

type StudentPrint interface {
        Print() 
}

func main(){ 
        stu := new(Student)
        fmt.Printf("stu=%+v\n", stu)
        
        var sliceStudent        []Student			//切片
        var mapStudent          map[int]Student		//映射
        var pStu                *Student			//指针
        fmt.Printf("slice=%v map=%v pointer=%v\n", sliceStudent, mapStudent, pStu)

        var ifVar       StudentPrint				//接口
        var funcVar     func(str *Student)			//函数
        var chVar       chan Student 				//信道
        fmt.Printf("interface=%v func=%v chan=%v\n", ifVar, funcVar, chVar)
}

stu=&{Sno:0 Name: Gender:false Age:0}
slice=[] map=map[] pointer=<nil>
interface=<nil> func=<nil> chan=<nil>