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|
(.require
[library
[lux (.except)
["_" test (.only Test)]
["@" target]
[abstract
[monad (.only do)]]
[control
["[0]" maybe]
["[0]" state]]
[data
["[0]" identity]
[collection
["[0]" list]]]
[math
["[0]" random]
[number
["n" nat]]]]]
["[0]" \\polytypic]
[\\library
["[0]" / (.only Functor)]])
(for @.old (these)
(these (def maybe_functor
(Functor .Maybe)
(\\polytypic.functor .Maybe))
(def list_functor
(Functor .List)
(\\polytypic.functor .List))
(def state_functor
(All (_ s) (Functor (state.State s)))
(\\polytypic.functor state.State))
(def identity_functor
(Functor identity.Identity)
(\\polytypic.functor identity.Identity))))
(def \\polytypic
Test
(<| (_.covering \\polytypic._)
(_.coverage [\\polytypic.functor]
true)))
(def .public test
Test
(do random.monad
[left random.nat
right random.nat
shift random.nat]
(<| (_.covering /._)
(all _.and
(_.coverage [/.Or /.sum]
(and (case (at (/.sum maybe.functor list.functor) each
(n.+ shift)
{.#Left {.#Some left}})
{.#Left {.#Some actual}}
(n.= (n.+ shift left) actual)
_
false)
(case (at (/.sum maybe.functor list.functor) each
(n.+ shift)
{.#Right (list right)})
(pattern {.#Right (list actual)})
(n.= (n.+ shift right) actual)
_
false)))
(_.coverage [/.And /.product]
(case (at (/.product maybe.functor list.functor) each
(n.+ shift)
[{.#Some left} (list right)])
(pattern [{.#Some actualL} (list actualR)])
(and (n.= (n.+ shift left) actualL)
(n.= (n.+ shift right) actualR))
_
false))
(_.coverage [/.Then /.composite]
(case (at (/.composite maybe.functor list.functor) each
(n.+ shift)
{.#Some (list left)})
(pattern {.#Some (list actual)})
(n.= (n.+ shift left) actual)
_
false))
..\\polytypic
))))
|
