# 2/1 讀書會 Rails render

分享人: 詹昇

- 找 gem source code 方式

gem env

bundle open

- 找方法定義在哪邊

method(:render).source_location

- 恢復 gem

gem pristine actionpack

- 找方法繼承鍊

self.class.ancestors

- Ruby includes 示範

module A1
  def run
    puts 'A1 run'
    super
  end
end

module A2
  def run
    puts 'A2 run'
    super
  end
end

module A3
  def run
    puts 'A3 run'
    super
  end
end


class Bob
  include A1
  include A2
  include A3

  def run
    puts 'bob run'
    super
  end
end

Bob.new.run
# p Bob.ancestors

參考資料
http://owningrails.com/

https://pragprog.com/titles/jvrails2/crafting-rails-4-applications/



程式碼：
https://github.com/shes50103/study