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[Ruby] Integerクラスのabsメソッド

Posted at

学習したことのアウトプットとして

absメソッド

Rubyの組み込みライブラリ
対象となる数値に対してabsメソッドを実行すると絶対値を取得することができる。すなわち正の数の場合はそのままだが、負の数の場合は符号を取って正の数にした数値が取得できる。

num = 5.abs
#=> 5

num = (-5).abs
#=> 5

absメソッドのリファレンス

以上。

※補足等ありましたらコメントいただけると幸いです。

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