On 27.04.2009, at 00:33, David Chamberlin wrote:
> I can get round this by not using a structure map for the metadata,
> but since I'm going to be creating container loads of these structures
> I understand that I need to be using struct-maps for efficiency.
>
> Is there a reason why this should n
Is it possible to unload/remove a namespace at runtime at all?
Mark
...and then Buffy staked Edward. The End.
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On Sun, Apr 26, 2009 at 7:25 AM, Baishampayan Ghose
wrote:
> I am a Clojure newbie and I have been trying to get M-.
> (slime-edit-definition) and the corresponding
> M-,(slime-pop-find-definiton-stack) to work with Clojure.
>
> Right now, if I press M-. I get "Search failed" in he minibuffer.
>
GENIOUS idea Laurent ;)
Extremely terse and uniform. Also because I switched the implementation to
use multimethods, performance has jumped quite a bit. In fact if you memoize
find-accessors, the code is only a little bit slower than
update-in/assoc-in/get-in! The defset and defget macros now check
On Apr 26, 2009, at 7:47 PM, samppi wrote:
user=> \u1
java.lang.IllegalArgumentException: Invalid unicode character: \u1
How would I embed the character as a literal in my Clojure code?
Java characters are (still) 16 bits wide. A single Java character
cannot represent the Unicode ch
In the REPL:
Clojure
user=> \u0032
\2
user=> \u1
java.lang.IllegalArgumentException: Invalid unicode character: \u1
How would I embed the character as a literal in my Clojure code?
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Given the recent dust-up on c.l.l about the platform independence of
clojure, I was wondering anyone was still hacking on the CLR code
base. The stuff in contrib doesn't seem to have changed since it was
checked in February.
Matt
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You received
I've created issue 110 with the patch attached in clojure's google code project.
Hi Rich, Howard,
I'll answer to both at the same time, trying to reconcile things a bit.
Howard, my first patch was already along the lines of what you
described below, I think (concerning the fact to use ant to ge
I think I'm seeing some strange effects of some special handling
of :type in meta-data.
I'm trying to create a structure map with meta data that is also a
structure map. The meta-data includes the :type key, but I see an
error when I try to do this:
( def sm ( create-struct :type ) )
( def so (
Hello,
Maybe you should consider creating a single function with 2 arities:
with one argument, it's the getter, with two arguments, it's the
setter (that returns the new type) !
(prop-foo obj) ; --> returns the property prop-foo
(prop-foo obj newval) ; --> returns a new version of obj with prop
my understanding of a suggestion in the chat room was to add a separate slot
for an object associated with a priority rather than having comparable
objects inserted.
That is, the priority of something is not the something. It's just its
priority. I need to play around a lot more with this to ma
You're right. The following includes code for handling this case via setin
and getin. I've also ditched macros, because that code couldn't support new
lexical scopes in the setter/getter definition. setin getin support works by
dynamically resolving getters and setters, thus this is slower than dir
Yes. The following should also work, without calling into Clojure
implementation methods:
(defn eval-string [s]
(eval (read-string s)))
-Stuart Sierra
On Apr 26, 1:50 pm, timc wrote:
> Thanks Stuart.
>
> I have figured out another way, which is much more general (and uses
> the lowest level o
Thanks Stuart.
I have figured out another way, which is much more general (and uses
the lowest level of how Clojure works).
(defn evalStr [s] (clojure.lang.Compiler/eval (clojure.lang.RT/
readString s)))
will (attempt to) execute any valid form (i.e. the string that is the
source of the form).
This will work:
((resolve (symbol "+")) 1 2 3)
To answer your question, a symbol is just a symbol, it doesn't have a
value. (In Common Lisp, symbols have values, but in Clojure they do
not.) In Clojure, values belong to Vars. "resolve" will find the Var
that is named by the symbol. When you w
Is there a way of invoking functions, or java methods "by name" in
Clojure?
Or, put another way, why does this work:
(+ 1 2)
but this does not:
((symbol "+") 1 2)
Similarly, this works
(. javaObj (methodName param))
but this does not:
(. javaObj ((symbol "methodName") param))
I suppose th
On Apr 26, 9:18 am, lpetit wrote:
> On 26 avr, 15:04, Rich Hickey wrote:
>
> > On Apr 24, 1:57 pm, Howard Lewis Ship wrote:
>
> > > Another option is for the version number to be in build.xml, and for
> > > it to generate a runtime file (so that Clojure can know its own
> > > version number)
Hello,
I am a Clojure newbie and I have been trying to get M-.
(slime-edit-definition) and the corresponding
M-,(slime-pop-find-definiton-stack) to work with Clojure.
Right now, if I press M-. I get "Search failed" in he minibuffer.
Is there any way to get it to work, or am I doing something co
On 26 avr, 15:04, Rich Hickey wrote:
> On Apr 24, 1:57 pm, Howard Lewis Ship wrote:
>
> > Another option is for the version number to be in build.xml, and for
> > it to generate a runtime file (so that Clojure can know its own
> > version number) and set the version number inside a generated p
On Apr 24, 1:57 pm, Howard Lewis Ship wrote:
> Another option is for the version number to be in build.xml, and for
> it to generate a runtime file (so that Clojure can know its own
> version number) and set the version number inside a generated pom.xml.
> You can use Ant resource copying with
Hello Christophe,
Thank you.
> clojure.lang.RT.load("my/script.clj") ; your script must be on the classpath
> clojure.lang.RT.var("my.ns", "my-var").invoke("hello") ; to call a function
This is good (so I should read more then main.clj source code nex
time ;-) ).
Kind regards,
Vlad
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prhlava a écrit :
> But what would be really cool, if I could distribute clojure code in
> the source form, load it into a java appliation _and_ call the clojure
> code (which got compiled on the fly when loaded) from java. But maybe
> the nature of
> the java language does not permit this.
>
Hello Dan,
> Which version did you try? msysgit works very well.
Pity that VM I used is now no-existent, but as I said it was a while
ago. Maybe msysgit improoved since.
The reasons I had for choosing mercurial were:
1. The hg code base is simpler and smaller that git's
2. It is more easily p
Hello James,
> Are you aware you can compile Clojure code directly into Java class
> files?
Yes, this was my 1st method of distributing clojure apps (in a .jar).
It works.
But what would be really cool, if I could distribute clojure code in
the source form, load it into a java appliation _and
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