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(.module:
[lux #*
[control
[functor (#+ Functor)]
[apply (#+ Apply)]
[monad (#+ Monad)]]
[data
[error (#+ Error)]]
[type
abstract]])
(abstract: #export (Dirty a)
a
(def: #export taint
(All [a] (-> a (Dirty a)))
(|>> :abstraction))
(def: #export (validate validator dirty)
(All [a b] (-> (-> a (Error b)) (Dirty a) (Error b)))
(validator (:representation dirty)))
(def: #export trust
(All [a] (-> (Dirty a) a))
(|>> :representation))
(structure: #export _ (Functor Dirty)
(def: (map f fa)
(|> fa :representation f :abstraction)))
(structure: #export _ (Apply Dirty)
(def: functor Functor<Dirty>)
(def: (apply ff fa)
(:abstraction ((:representation ff) (:representation fa)))))
(structure: #export _ (Monad Dirty)
(def: functor Functor<Dirty>)
(def: wrap (|>> :abstraction))
(def: join (|>> :representation)))
)
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