Hello World

定番のHello Worldを作成してみる。 まず、プロジェクトを作成する。

Project Space Making
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$mkdir -p $GOPATH/src/example/hello

いよいよ、ソースの作成だ。

Hello World
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package main
 
import "fmt"
 
func main() {
    fmt.Println("Hello, World!")
}

かなりシンプル。
次に実行。

Project Space Making
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$pwd
$HOME/go
$go install example/hello
$ls
bin src
$ls bin
hello
$bin/hello
Hello, World!

出来た！

Install

We can use apt to install go.

Download
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$ sudo apt-get install golang-go

Test Program

Making Workspace

It’s easy with managing to make work space . You can use only mkdir command to make workspace.

Workspace
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$mkdir ~/go

And then setting workspace.

Workspace Setting
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$vim ~/.bashrc
export GOPATH=$HOME/go
$source ~/.bashrc

Hello World

Try to make hello world program. At first let’s make project.

Project Space Making
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$mkdir -p $GOPATH/src/example/hello

Finally programming.

Hello World
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package main
 
import "fmt"
 
func main() {
    fmt.Println("Hello, World!")
}

So simple. And then run.

Project Space Making
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$pwd
$HOME/go
$go install example/hello
$ls
bin src
$ls bin
hello
$bin/hello
Hello, World!

Good!