require_relative 'class/descendants.rb'
#require_relative 'class/hierarchically'  # uncommon
require_relative 'class/methodize.rb'
require_relative 'class/pathize.rb'
#require_relative 'class/preallocate.rb'  # uncommon
#require_relative 'class/singleton.rb'    # uncommon
require_relative 'class/subclasses.rb'
require_relative 'class/to_proc.rb'