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(;module:
lux
(lux (control monoid)))
## [Functions]
(def: #export (const c)
{#;doc "Create constant functions."}
(All [a b] (-> a (-> b a)))
(lambda [_] c))
(def: #export (flip f)
{#;doc "Flips the order of the arguments of a function."}
(All [a b c]
(-> (-> a b c) (-> b a c)))
(lambda [x y] (f y x)))
## [Structures]
(struct: #export Monoid<Function> (Monoid (All [a] (-> a a)))
(def: unit id)
(def: append .))
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