package main

import "fmt"

func main() {

	// var chan 变量名 数据类型

	// 声明channel
	var intChan chan int
	intChan = make(chan int, 3)
	fmt.Printf("intChan = %v intChan地址 = %v\n", intChan, &intChan)

	 // 写入数据
	intChan <- 2
	num := 6
	intChan <- num
	intChan <- 8
	fmt.Printf("len = %v, cap = %v\n", len(intChan), cap(intChan))

	var num2 int
	// 读取数据
	num2 = <- intChan
	fmt.Println("num2 = ", num2)
	fmt.Printf("len = %v, cap = %v\n", len(intChan), cap(intChan))

}