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(;module:
  lux
  (lux (control [monad #+ do]
                ["ex" exception #+ exception:])
       (data [maybe]
             text/format
             (coll [dict])))
  (luxc ["&" lang]
        (lang (host ["$" jvm])
              ["ls" synthesis]))
  (/ ["/;" common]
     ["/;" host]))

(exception: #export Unknown-Procedure)

(def: procedures
  /common;Bundle
  (|> /common;procedures
      (dict;merge /host;procedures)))

(def: #export (translate-procedure translate name args)
  (-> (-> ls;Synthesis (Meta $;Inst)) Text (List ls;Synthesis)
      (Meta $;Inst))
  (<| (maybe;default (&;throw Unknown-Procedure (%t name)))
      (do maybe;Monad<Maybe>
        [proc (dict;get name procedures)]
        (wrap (proc translate args)))))