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(.module:
[lux #*
[abstract
["." monad (#+ do)]]
[target
["_" common-lisp (#+ Expression)]]]
["." // #_
["#." runtime (#+ Operation Phase)]
["#." primitive]
["//#" ///
["/#" // #_
[analysis (#+ Variant Tuple)]
["#." synthesis (#+ Synthesis)]]]])
(def: #export (tuple generate elemsS+)
(-> Phase (Tuple Synthesis) (Operation (Expression Any)))
(case elemsS+
#.Nil
(:: ////.monad wrap (//primitive.text /////synthesis.unit))
(#.Cons singletonS #.Nil)
(generate singletonS)
_
(|> elemsS+
(monad.map ////.monad generate)
(:: ////.monad map _.vector/*))))
(def: #export (variant generate [lefts right? valueS])
(-> Phase (Variant Synthesis) (Operation (Expression Any)))
(:: ////.monad map
(//runtime.variant (if right?
(inc lefts)
lefts)
right?)
(generate valueS)))
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