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(;module:
lux
(lux (control ["M" monad #+ do Monad])
[io]
(data bool)
["R" math/random])
lux/test)
(context: "Boolean operations."
[value R;bool]
(test "" (and (not (and value (not value)))
(or value (not value))
(not (:: Or@Monoid<Bool> unit))
(:: Or@Monoid<Bool> append value (not value))
(:: And@Monoid<Bool> unit)
(not (:: And@Monoid<Bool> append value (not value)))
(:: Eq<Bool> = value (not (not value)))
(not (:: Eq<Bool> = value (not value)))
(not (:: Eq<Bool> = value ((complement id) value)))
(:: Eq<Bool> = value ((complement not) value))
(case (|> value
(:: Codec<Text,Bool> encode)
(:: Codec<Text,Bool> decode))
(#;Right dec-value)
(:: Eq<Bool> = value dec-value)
(#;Left _)
false)
)))
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