(.using
 [library
  [lux (.except if loop)
   ["$" documentation (.only documentation:)]
   [data
    [text (.only \n)
     ["%" format (.only format)]]]
   [macro
    ["[0]" template]]]]
 [\\library
  ["[0]" /]])

(documentation: /.lifted
  "Wraps a monadic value with Maybe machinery."
  [(lifted monad)])

(documentation: /.else
  (format "Allows you to provide a default value that will be used"
          \n "if a (Maybe x) value turns out to be .#None."
          \n "Note: the expression for the default value will not be computed if the base computation succeeds.")
  [(else +20 {.#Some +10})
   "=>"
   +10]
  [(else +20 {.#None})
   "=>"
   +20])

(documentation: /.trusted
  (format "Assumes that a Maybe value is a .#Some and yields its value."
          \n "Raises/throws a runtime error otherwise."
          \n "WARNING: Use with caution.")
  [(trusted trusted_computation)])

(documentation: /.when
  "Can be used as a guard in (co)monadic be/do expressions."
  [(do monad
     [value (do_something 1 2 3)
      .when (passes_test? value)]
     (do_something_else 4 5 6))])

(.def: .public documentation
  (.List $.Module)
  ($.module /._
            ""
            [..lifted
             ..else
             ..trusted
             ..when
             ($.default /.monoid)
             ($.default /.functor)
             ($.default /.apply)
             ($.default /.monad)
             ($.default /.equivalence)
             ($.default /.hash)
             ($.default /.with)
             ($.default /.list)]
            []))