package main

import "fmt"

func main()  {

    // make函数

    makeSlice() // 创建切片

    makeMap() // 创建集合

    makeChan() // 创建channel

}

func makeSlice(){

    sl := make([]string,3)

    sl[0] = "a";

    sl[1] = "b";

    sl[2] = "c";

    fmt.Println(sl)

}

func makeMap(){

    mp  := make(map[int] string)

    mp[0] = "hello"

    mp[1] = "world"

    mp[33] = "!"

    fmt.Println(mp)

}

func makeChan()  {

    mchan := make(chan string)

    go func() {

        mchan <- "hello world"

    }()

    message := <- mchan

    fmt.Println(message)

}

GOROOT=/usr/local/go #gosetup

GOPATH=/www/gopath #gosetup

/usr/local/go/bin/go build -i -o /private/var/folders/fc/4txmmczj6q92p6058h3w7t_80000gn/T/___go_build_main_go__2_ /www/go/learn/main.go #gosetup

/private/var/folders/fc/4txmmczj6q92p6058h3w7t_80000gn/T/___go_build_main_go__2_ #gosetup

[a b c]

map[0:hello 1:world 33:!]

hello world

Process finished with exit code 0