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|
(.require
[library
[lux (.except)
[abstract
[monad (.only do)]
["[0]" functor
["[1]T" \\test (.only Injection Comparison)]]
["[0]" apply
["[1]T" \\test]]
[\\specification
["$[0]" monad]]]
[math
["[0]" random]
[number
["n" nat]]]
[test
["_" property (.only Test)]]]]
[\\library
["[0]" / (.only Reader)
[//
["[0]" io (.only IO)]]]])
(def (injection value)
(Injection (All (_ a r) (Reader r a)))
(function (_ env)
value))
(def comparison
(Comparison (All (_ a r) (Reader r a)))
(function (_ == left right)
(== (/.result [] left) (/.result [] right))))
(def .public test
Test
(<| (_.covering /._)
(_.for [/.Reader])
(do random.monad
[sample random.nat
factor random.nat]
(all _.and
(_.for [/.functor]
(functorT.spec ..injection ..comparison /.functor))
(_.for [/.apply]
(applyT.spec ..injection ..comparison /.apply))
(_.for [/.monad]
($monad.spec ..injection ..comparison /.monad))
(_.coverage [/.result /.read]
(n.= sample
(/.result sample /.read)))
(_.coverage [/.local]
(n.= (n.* factor sample)
(/.result sample (/.local (n.* factor) /.read))))
(let [(open "io#[0]") io.monad]
(_.coverage [/.with /.lifted]
(|> (is (/.Reader Any (IO Nat))
(do (/.with io.monad)
[a (/.lifted (io#in sample))
b (in factor)]
(in (n.* b a))))
(/.result [])
io.run!
(n.= (n.* factor sample)))))))))
|
