# File lib/active_support/inflector.rb, line 144 def constantize(camel_cased_word) raise NameError, "#{camel_cased_word.inspect} is not a valid constant name!" unless camel_cased_word.split("::").all? { |part| /^[A-Z]\w*$/ =~ part } camel_cased_word = "::#{camel_cased_word}" unless camel_cased_word[0, 2] == '::' Object.module_eval(camel_cased_word, __FILE__, __LINE__) end