Golong 类型方法理解

package main

import "fmt"

type Person struct{
    name string
    age int 
}


func (this *Person) Growth(){
    this.age ++
}

func (this *Person) ChangeName(newname string){
    this.name = newname
}


func main(){

    p := Person{"wangzy", 30} 
    p.Growth()
    fmt.Printf("%d", p.age)
}