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【Golang】Switch文

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#【Golang】Switch文
Golangの基礎学習〜Webアプリケーション作成までの学習を終えたので、復習を兼ねてまとめていく。 基礎〜応用まで。

package main
//swich
//if swichの違いは?
//簡単な分岐処理ならswitchの方がすっきりする。
//型アサーションができる。

/*
まず、Goでは選択されたcaseだけを実行し、それに続く全てのcase節は実行されない。
他の言語では各case節の最後にbreakステートメントを記述しますが、Goでは自動的にbreakが入る。
*/

import (
	"fmt"
	"time"
)


func main(){
	//今の時間取得
	t := time.Now()
	//今の時間の時間だけ取得
	fmt.Println(t.Hour())

	//switch 分岐
	switch {
	case t.Hour() < 12:
		fmt.Println("午前")
	case t.Hour() > 12:
		fmt.Println("午後")
	}



	n := 1

    switch n {
	case 1:
	    n += 1
		fmt.Println("3以下")
	case 2:
		n += 1
		fmt.Println("3以上")
	default:
		fmt.Println("default")
	}
	fmt.Println(n)
}
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