module Tins 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 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.class_eval(&@_included_block) if instance_variable_defined?("@_included_block") Thread.current[:tin_concern_args] = nil true end end def included(base = nil, &block) if base.nil? @_included_block = block else super end end end end