package main

import (
	"fmt"
)


func main(){
	//const pi = 3.1415926
	//const e = 2.71
	const (
		pi = 3.1415926
		e = 2.71
		size = 4
	)
	var arr [size]int
	fmt.Println(arr)
	//利用iota模拟枚举
	type Weapon int
	const(
		Arrow Weapon = iota
		Shuriken
		Sniper_Rifle
		Rifle
		Blower
	)
	fmt.Println(Arrow,Shuriken,Sniper_Rifle,Rifle,Blower)
	var weapon Weapon = Blower
	fmt.Println(weapon)
	fmt.Println("\n")
	//type Flag int
	const(
		Flag_None = 1 << iota
		Flag_Red
		Flag_Green
		Flag_Blue
		Flag_Block
	)
	fmt.Printf("%d %d %d %d\n",Flag_Red,Flag_Green,Flag_Blue,Flag_Block)
	fmt.Printf("%b %b %b %b\n",Flag_Red,Flag_Green,Flag_Blue,Flag_Block)

	//利用枚举得到数字和声明的变量
	type Chip_Type int
	const(
		None_Chip_Type = iota
		CPU
		GPU
	)
	}