Видео ютуба по тегу Ruby: Calling A Method From Another Method That Needs An Attribute

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Advanced Ruby: How to Use Methods as First-class Functions

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Ruby Programming Tutorial - 8 - Methods

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RubyConf 2021 - Control methods like a pro: A guide to Ruby's awesomeness, ... by Masafumi Okura

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Mountain West Ruby 2016 - How Are Method Calls Formed? by Aaron Patterson

Methods | Ruby | Tutorial 15