Yep... my presentation proposal went in last week...
http://skillsmatter.com/event/scala/clojure-exchange
and
> http://skillsmatter.com/event/scala/clojure-exchange-2012
>
Indeed; sign up now for what promises to be the best Scala event of 2012.
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Here's a simple protocol/deftype example:
(defprotocol FOO
(doit [this]))
(deftype Foo [_arg]
FOO
(doit [this] nil))
(deftype Foo [__arg]
FOO
(doit [this] nil))
The first definition of Foo compiles; the second gives
(class: user/Foo, method: create signature: (Lclojure/lang/
IPersist
Ah: found this thread:
https://groups.google.com/forum/#!topic/clojure-dev/IGD6Ziqt-QY
So: would still be very obliged for a link to an XML-generating
package working under 1.3.0. (I don't need to parse.)
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This is straight from the doc string:
(with-out-str (p/prxml [:p {:class "greet"} [:i "Ladies &
gentlemen"]]))
Works in Clojure 1.2.1:
(:ok "\"Ladies & gentlemen\"")
(that's pasted from the slime event buffer, hence the superfluous
armour.)
Fails in Clojure 1.3.0:
clojure.lang.Numbers.lt(II)Z
Nice work. Perhaps it's getting to be time to retire my own Java OSC
library...
Is this reachable via Lein/Maven?
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On Jul 29, 1:18 am, Ken Wesson wrote:
> On the one hand, assuming that Java 7 doesn't outright break anything, [...]
Like loops?
http://www.lucidimagination.com/blog/2011/07/28/dont-use-java-7-for-anything/
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Of course, once posted, I realised the conditional could be
eliminated:
(defn update-and-check-whether-modified?
[update-fn]
(:changed?
(swap! a (fn [{v :value _ :changed?}]
(let [new-v (update-fn v)]
{:value new-v :changed? (not= v new-v)})
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Hi Sam,
A nice late night exercise...
Not very practical, but if you want a safe transaction-free operation
on an atom which returns whether it was changed, you can perhaps hack
it by embedding the change state into the atom itself:
(def a (atom {:value 45 :changed? false}))
(defn update-and-ch
Clojure newcomer here, but here's the thought that's frontmost in my
mind about ClojureScript...
I'm used to Clojure as a language that's solidly spot-welded to the
JVM and the Java libraries. Just as "[1 2 3]" is legal portable
Clojure code, so is "(.start (Thread. #(...)))" despite it being a
bl
(Have just found the leiningen google group - will post there - sorry
for the noise.)
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Quick update: lein repl works fine (agent values updating) if I run it
outside my project; agent updates don't work if I run it inside my
project.
Tried on OS X and Ubuntu.
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This must be something really stupid I'm doing...
If I run a vanilla clojure repl via java -jar clojure-xxx.jar, then
agents do what I'd except. Ditto using Leiningen's generated
standalone swank-clojure server.
If I do a "lein repl" or connect to a "lein swank" in a simple
project, then agents d
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