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Ruby on Rails 2018 年進化論

Avatar for 高見龍 高見龍
October 15, 2018

Ruby on Rails 2018 年進化論

Avatar for 高見龍

高見龍

October 15, 2018
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  1. !

  2. class Fish; end def some_thing puts " " * 5

    if some_thing.is_a? Fish end = Fish.new
  3. class Fish; end class Chicken; end def some_thing case some_thing

    when Fish puts " " when Chicken puts " " end end = Fish.new = Chicken.new