(.module:
  [library
   [lux #*
    [control
     ["." try]]
    [math
     [number (#+ hex)]]]]
  ["." // #_
   [encoding
    ["#." unsigned (#+ U4)]]])

(type: .public Magic
  U4)

(def: .public code
  Magic
  (|> (hex "CAFEBABE")
      //unsigned.u4
      try.trusted))

(def: .public writer
  //unsigned.writer/4)