Module: ActiveSupport::Concern

Included in:
Callbacks, Configurable, Rescuable, Testing::SetupAndTeardown
Defined in:
lib/active_support/concern.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object


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# File 'lib/active_support/concern.rb', line 38

def self.extended(base)
  base.instance_variable_set("@_dependencies", [])
end

Instance Method Details

#append_features(base) ⇒ Object


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# File 'lib/active_support/concern.rb', line 42

def append_features(base)
  if base.instance_variable_defined?("@_dependencies")
    base.instance_variable_get("@_dependencies") << self
    return false
  else
    return false if base < self
    @_dependencies.each { |dep| base.send(:include, dep) }
    super
    base.extend const_get("ClassMethods") if const_defined?("ClassMethods")
    base.send :include, const_get("InstanceMethods") if const_defined?("InstanceMethods")
    base.class_eval(&@_included_block) if instance_variable_defined?("@_included_block")
  end
end

#included(base = nil, &block) ⇒ Object


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# File 'lib/active_support/concern.rb', line 56

def included(base = nil, &block)
  if base.nil?
    @_included_block = block
  else
    super
  end
end