method

included_in_classes

v2.2.1 - Show latest stable - 0 notes - Class: Module

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What's this?

included_in_classes() public

Returns the classes in the current ObjectSpace where this module has been mixed in according to Module#included_modules.

  module M
  end

  module N
    include M
  end

  class C
    include M
  end

  class D < C
  end

  p M.included_in_classes # => [C, D]

Show source

# File activesupport/lib/active_support/core_ext/module/inclusion.rb, line 21
  def included_in_classes
    classes = []
    ObjectSpace.each_object(Class) { |k| classes << k if k.included_modules.include?(self) }

    classes.reverse.inject([]) do |unique_classes, klass| 
      unique_classes << klass unless unique_classes.collect { |k| k.to_s }.include?(klass.to_s)
      unique_classes
    end
  end

included_in_classes

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