type go

typego.go

package main

import "fmt"

type Integer int 

type Name string

func main() {
  // undertaking type can assign to Typed var, 同 undertaking type -> Typed var 
  var i Integer = 1
  fmt.Println(i)
  // Typed var -> undertaking type,   强制类型转换
  var i1 int = int(i)
  fmt.Println(i1)

  // undertaking type -> Typed var , 强制类型转换
  var i2 Integer = Integer(100)
  fmt.Println(i2)

  var name1 Name = "itang"
  fmt.Println(name1)
  var name2 string = string(name1)
  fmt.Println(name2)
  var name3 Name = Name("itang")

  //var name4 string = name3.(string)
  //fmt.Println(name4)
}