1  # coding: utf-8
   2  # frozen_string_literal: true
   3 
   4  require_relative 'stream/cell'
   5  require_relative 'stream/entry'
   6 
   7 
   8  =begin
   9  See: PURELY FUNCTIONAL DATA STRUCTURES,
  10           CHRIS OKASAKI, COLOUMBIA UNIVERSITY
  11       純粋関数型データ構造
  12          Chris Okasaki 著, 稲葉一浩、遠藤侑介 訳
  13  =end
  14