(.module:
  [library
   [lux #*
    ["_" test (#+ Test)]
    [abstract
     [\\spec
      ["$." equivalence]]]
    [math
     ["." random (#+ Random)]]]]
  [\\program
   ["." /]])

(def: #export random
  (Random /.Origin)
  ($_ random.or
      (random.ascii/alpha 10)
      (random.ascii/alpha 10)
      ))

(def: #export test
  Test
  (<| (_.covering /._)
      (_.for [/.Origin]
             ($_ _.and
                 (_.for [/.equivalence]
                        ($equivalence.spec /.equivalence ..random))
                 ))))