join-forest.ss
(module join-forest mzscheme
  
  (require (prefix naive: "naive-join-forest.ss")
           (prefix simple: "simple-join-forest.ss")
           (prefix optimal: "find-optimal-join.ss")
           (prefix fib: "fib-join-forest.ss"))
  
  (provide (rename naive:join-forest naive-join-forest)
           (rename simple:join-forest simple-join-forest)
           (rename optimal:join-forest optimal-join-forest)
           (rename fib:join-forest fib-join-forest)))