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(.module:
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]]
[math
["." random (#+ Random)]]]
{1
["." / (#+ Equivalence)]})
(def: #export (spec (^open "_//.") random)
(All [a] (-> (Equivalence a) (Random a) Test))
(do random.monad
[left random
right random]
(<| (_.for [/.Equivalence])
($_ _.and
(_.test "Reflexivity."
(_//= left left))
(_.test "Symmetry."
(if (_//= left right)
(_//= right left)
(not (_//= right left))))))))
|
