method
constantize

constantize(camel_cased_word)
public
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# File activesupport/lib/active_support/inflector/methods.rb, line 118 def constantize(camel_cased_word) #:nodoc: names = camel_cased_word.split('::') names.shift if names.empty? || names.first.empty? constant = Object names.each do |name| constant = constant.const_defined?(name, false) ? constant.const_get(name) : constant.const_missing(name) end constant end