Ruby | How is the surprise mark (!) Of the method name called?

It seems to be called bang.

• ! = Van
• !! = double van
• example! = Bang method

People do not live in the van alone, but with every single word coming out of the mouth of God

reference

• http://stackoverflow.com/questions/612189/why-are-exclamation-marks-used-in-ruby-methods
• http://www.ne.jp/asahi/petros/izumi/1999msg/991003.htm

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Ruby | メソッド名のビックリマーク ( ! ) はなんと呼ぶ？

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公開日時

2019-04-16