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(.using
[library
[lux "*"
[abstract
[monad {"+" Monad do}]]
[control
["[0]" try {"+" Try}]]
[data
[text
["%" format {"+" format}]]]
[world
["[0]" file]]]]
["[0]" //
["[0]" context {"+" Context}]
[//
["[0]" version]]])
(def: .public (path fs context)
(All (_ !) (-> (file.System !) Context file.Path))
(let [/ (# fs separator)]
(format (the context.#target context)
/ (the context.#host context)
/ (version.format //.version))))
(def: .public (enabled? fs context)
(All (_ !) (-> (file.System !) Context (! Bit)))
(# fs directory? (..path fs context)))
(def: .public (enable! ! fs context)
(All (_ !) (-> (Monad !) (file.System !) Context (! (Try Any))))
(do !
[? (..enabled? fs context)]
(if ?
(in {try.#Success []})
(file.make_directories ! fs (..path fs context)))))
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