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(.module:
[lux #*
["_" test (#+ Test)]
[control
[monad (#+ do)]]
[data
[text
format]]
[math
["r" random (#+ Random)]]]
{1
["." / (#+ Order)]})
(def: #export (spec (^open "_@.") generator)
(All [a] (-> (Order a) (Random a) Test))
(do r.monad
[left generator
right generator]
(<| (_.context (%name (name-of /.Order)))
($_ _.and
(_.test "Values are either ordered, or they are equal. All options are mutually exclusive."
(if (_@= left right)
(not (or (_@< left right)
(_@> left right)))
(if (_@< left right)
(not (_@> left right))
(_@> left right))))))))
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