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@voidlock voidlock/snippet.rb
Created Apr 27, 2010

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# stolen from ActiveSupport::Concern
module Concern
def self.extended(base)
base.instance_variable_set("@_dependencies", [])
end
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
def included(base = nil, &block)
if base.nil?
@_included_block = block
else
super
end
end
end
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