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(.module:
[library
[lux #*
["_" test (#+ Test)]
[abstract
[monad (#+ do)]
[\\specification
["$." functor (#+ Injection Comparison)]
["$." apply]
["$." monad]]]
[math
["." random]
[number
["n" nat]]]]]
[\\library
["." / (#+ IO)
[//
["." function]]]])
(def: injection
(Injection IO)
(|>> /.io))
(def: comparison
(Comparison IO)
(function (_ == left right)
(== (/.run! left) (/.run! right))))
(def: .public test
Test
(<| (_.covering /._)
(_.for [/.IO])
(do random.monad
[sample random.nat
exit_code random.int]
($_ _.and
(_.for [/.functor]
($functor.spec ..injection ..comparison /.functor))
(_.for [/.apply]
($apply.spec ..injection ..comparison /.apply))
(_.for [/.monad]
($monad.spec ..injection ..comparison /.monad))
(_.cover [/.run! /.io]
(n.= sample
(/.run! (/.io sample))))
))))
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