This is wonderful, wonderful, wonderful. It makes my work with FnParse
so much easier.

Question: are the general mechanisms for accessing and setting fields
their keywords and assoc respectively:
  (deftype Bar [a b c d e])
  (def b (Bar 1 2 3 4 5))
  (:c b)
  (def c (assoc b :e 2))
Does (:c b) and (assoc b :e 2) take advantage of Bar's field
information? Is it any faster than using an array map? Are there any
equivalents to struct maps' accessor functions?

On Nov 12, 5:10 am, Rich Hickey <richhic...@gmail.com> wrote:
> An early version of the code for a few important new language
> features, datatypes[1] and protocols[2] is now available in the 'new'
> branch[3]. Note also that the build system[4] has builds of the new
> branch, and that the new branch works with current contrib.
>
> If you have the time and inclination, please try them out. Feedback is
> particularly welcome as they are being refined.
>
> Thanks,
>
> Rich
>
> [1]http://www.assembla.com/wiki/show/clojure/Datatypes
> [2]http://www.assembla.com/wiki/show/clojure/Protocols
> [3]http://github.com/richhickey/clojure/tree/new
> [4]http://build.clojure.org/

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