module Shout

# File lib/shout.rb, line 6
def constantize(camel_cased_word)
  names = camel_cased_word.split('::')
  
  # Trigger a builtin NameError exception including the ill-formed constant in the message.
  Object.const_get(camel_cased_word) if names.empty?
  
  # Remove the first blank element in case of '::ClassName' notation.
  names.shift if names.size > 1 && names.first.empty?
  
  names.inject(Object) do |constant, name|
    if constant == Object
      constant.const_get(name)
    else
      candidate = constant.const_get(name)
    end
  end
end