# File lib/active_model/attribute_methods.rb, line 227 def alias_attribute(new_name, old_name) attribute_method_matchers.each do |matcher| module_eval "def \#{matcher.method_name(new_name)}(*args)\nsend(:\#{matcher.method_name(old_name)}, *args)\nend\n", __FILE__, __LINE__ + 1 end end