Mercurial > lasercutter
annotate src/clojure/contrib/agent_utils.clj @ 10:ef7dbbd6452c
added clojure source goodness
author | Robert McIntyre <rlm@mit.edu> |
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date | Sat, 21 Aug 2010 06:25:44 -0400 |
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rlm@10 | 1 ; Copyright (c) Christophe Grand, November 2008. All rights reserved. |
rlm@10 | 2 |
rlm@10 | 3 ; The use and distribution terms for this software are covered by the |
rlm@10 | 4 ; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) |
rlm@10 | 5 ; which can be found in the file epl-v10.html at the root of this |
rlm@10 | 6 ; distribution. |
rlm@10 | 7 ; By using this software in any fashion, you are agreeing to be bound by |
rlm@10 | 8 ; the terms of this license. |
rlm@10 | 9 ; You must not remove this notice, or any other, from this software. |
rlm@10 | 10 |
rlm@10 | 11 ;; misc agent utilities |
rlm@10 | 12 |
rlm@10 | 13 ;; note to other contrib members: feel free to add to this lib |
rlm@10 | 14 |
rlm@10 | 15 (ns |
rlm@10 | 16 ^{:author "Christophe Grande", |
rlm@10 | 17 :doc "Miscellaneous agent utilities |
rlm@10 | 18 (note to other contrib members: feel free to add to this lib)", |
rlm@10 | 19 } |
rlm@10 | 20 clojure.contrib.agent-utils) |
rlm@10 | 21 |
rlm@10 | 22 (defmacro capture-and-send |
rlm@10 | 23 "Capture the current value of the specified vars and rebind |
rlm@10 | 24 them on the agent thread before executing the action. |
rlm@10 | 25 |
rlm@10 | 26 Example: |
rlm@10 | 27 (capture-and-send [*out*] a f b c)" |
rlm@10 | 28 |
rlm@10 | 29 [vars agent action & args] |
rlm@10 | 30 (let [locals (map #(gensym (name %)) vars)] |
rlm@10 | 31 `(let [~@(interleave locals vars) |
rlm@10 | 32 action# (fn [& args#] |
rlm@10 | 33 (binding [~@(interleave vars locals)] |
rlm@10 | 34 (apply ~action args#)))] |
rlm@10 | 35 (send ~agent action# ~@args)))) |