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|
(.require
[library
[lux (.except static)
["[0]" debug]
[control
["[0]" try (.only Try)]
["[0]" exception (.only Exception)]]
[data
[text
["%" \\format]]]
[meta
["[0]" code
["<[1]>" \\parser]]
[macro (.only with_symbols)
["[0]" syntax (.only syntax)]]]]]
["[0]" // (.only)
["[0]" primitive (.only)]])
(exception.def .public (wrong_type [expected actual])
(Exception [Type Type])
(exception.report
(list ["Expected" (%.type expected)]
["Actual" (%.type actual)])))
(with_expansions [<representation> [Type Any]]
(primitive.def .public Dynamic
<representation>
(def .public dynamic
(syntax (_ [value <code>.any])
(with_symbols [g!value]
(in (list (` (.let [(, g!value) (, value)]
(as Dynamic [(.type_of (, g!value)) (, g!value)]))))))))
(def .public static
(syntax (_ [type <code>.any
value <code>.any])
(with_symbols [g!type g!value]
(in (list (` (.let [[(, g!type) (, g!value)] (|> (, value)
(is Dynamic)
(as <representation>))]
(.is (try.Try (, type))
(.if (.at //.equivalence (,' =)
(.type_literal (, type)) (, g!type))
{try.#Success (.as (, type) (, g!value))}
(exception.except ..wrong_type [(.type_literal (, type)) (, g!type)]))))))))))
(def .public (format value)
(-> Dynamic (Try Text))
(let [[type value] (primitive.representation value)]
(debug.representation type value)))
))
|
