go 函数引用error

package main

import (
   "fmt"
)

type G struct {
   Str string
   Int int
}

func (g G) Getstr() (string,error) {
   //var err error
   if g.Str == ""{
      fmt.Println("is a errors")
   }
   return g.Str,nil

}

x:=&G{"",19}

sss,err:=x.Getstr()
if err != nil{
   fmt.Println(err)    //is a errors
}
fmt.Println(sss)

标签：err,fmt,Getstr,Println,引用,Str,error,go
来源： https://www.cnblogs.com/cheyunhua/p/15706653.html