On 12.05.2009, at 05:42, Mark Reid wrote:
> I'm quite new to macros so forgive me if this is a naïve question, but
> is it possible to write macros that are applied to an entire Clojure
> program?
It depends on what you call a "program". Clojure code is structured
in the form of namespaces, an
On 11.05.2009, at 23:17, samppi wrote:
> user=> (defmacro b [& xs]
> `(with-monad maybe-m (m-seq ~xs)))
> #'user/b
> user=> (b [1 2 3])
> java.lang.IllegalArgumentException: Wrong number of args passed to:
> LazilyPersistentVector (NO_SOURCE_FILE:0)
>
> So there's something wrong with how I'm phr
Hi,
I have read Graham's "On Lisp". That, and my background in Java and
Haskell programming were the main reasons I was drawn to Clojure.
Based on that article and others like it I had the impression that
program transformations like the one I suggested were relatively easy
in homoiconic language
Macros are definitely the tool to do this. Take a look here at Paul
Graham's "The Roots of Lisp". In it you'll get an idea of why eval is
so powerful, and why macros are exactly the tool for the job you're
thinking of.
http://lib.store.yahoo.net/lib/paulgraham/jmc.ps
I'll let someone else answ
Hi,
I'm quite new to macros so forgive me if this is a naïve question, but
is it possible to write macros that are applied to an entire Clojure
program?
The reason I ask is that, in other threads in this group, some simple
transformations to improve efficiency of Clojure programs were
mentioned.
Aha! I discovered a solution to the window-closing problem mentioned
above: calling (.dispose frame) on the window closing event will cause
the application to exit when running independently (I guess because it
causes everything to be garbage collected thus the VM terminates
(?) ) , but doesn't ki
On Tue, May 12, 2009 at 8:43 AM, tarvydas
wrote:
>
> - Why does closing the test gui cause slime to stop?
Most likely because your app has the default close operation to be
JFrame.EXIT_ON_CLOSE
Thus when you close the gui the JVM exits, which is the same JVM that slime
is using
Terry Hannant
On Mon, May 11, 2009 at 7:13 PM, tarvydas
wrote:
>
> - Where does the output from println go? I put println's in the proxy
> callbacks, but I don't see the output in the slime repl nor in the
> *Messages* buffer (I know that the callbacks are working, because they
> also alter components of the g
On May 11, 2:07 am, Terry Hannant wrote:
> Hi
>
> You can use
>
> (. System getProperty "java.class.path") - To check class path
>
> (. System getProperty "user.dir") - Current working directory
>
> from your Slime REPL to check
Thanks.
For future reference: my problem was based on a misunde
Hi folks,
I just found out that my presentation for tomorrow has been canceled,
due to problems with the venue.
But LispNYC will still be meet at the Sunburnt Cow, 137 Avenue C
between 9th & 10th Streets. I'll be there to talk about Clojure over
drinks.
My presentation has been postponed to Jun
I'm having trouble using clojure.contrib.monads/m-seq in a macro.
Let's say that I just want to create a macro version of m-seq.
Clojure 1.0.0-
user=> (use 'clojure.contrib.monads)
nil
user=> (with-monad maybe-m (m-seq [1 2 3]))
(1 2 3)
user=> (defn a [& xs]
(with-monad maybe-m (m-seq [1 2 3])))
l code is posted here for those interested:
http://curransoft.com/code/clj-grapher-20090511.zip
It's an intermediate stage of a larger project which will eventually
involve parsing a simple math language and rendering a 3D surface
using OpenGL. I've learned a lot from progressing thus far
Not sure about the "alt+f4", but to have the application quit when the
last window is closed, look at "achiFrameAdapter" in the code at the
following url:
http://tiny.cc/2FkMf.
The application is setup to track multiple windows being opened, and
when there are no more windows, the app
On May 11, 2:20 pm, Vincent Akkermans
wrote:
> Hi all,
>
> I'm building an application in which I want some function calls to be
> logged. However, when I have function A and B (both will be logged)
> and A is called from B, I want the log to show this relation. I
> defined a small macro for th
The official announcement:
Stuart Sierra presents: Implementing AltLaw.org in Clojure
This talk demonstrates the power of combining Clojure with large
Java frameworks, such as:
* Hadoop - distributed map/reduce processing
* Solr - text indexing/searching
* Restlet - REST-orien
Konrad,
Your post didn't get any feedback, but I wanted to say that this is a
very nice piece of functionality and will be a great help when
creating DSLs in Clojure.
I look forward to taking advantage of it.
Thanks,
Tom
Konrad,
Your post didn't get any feedback, but I wanted to say that this
Hello!
Since I'm new to this group, let me say that
recently I got interested in clojure, coming from
Mozart/Oz, Common Lisp, and scheme.
And I like it. A lot, in fact.:)
Now... does anyone know whether ProGuard works
with clojure? (I'm using proguard4.4beta2 with
clojure 1.0.0.RC1.)
In the fol
Hi all,
I'm building an application in which I want some function calls to be
logged. However, when I have function A and B (both will be logged)
and A is called from B, I want the log to show this relation. I
defined a small macro for this purpose:
(def *hierarchy* [])
(def *action-id* nil)
(d
Okay, good point about approach #2. As I mentioned earlier, I'd use
approach #3 first. Here's how I'd write your macro as a function
(defn process-feeds
[feeds body]
(body feeds))
And I'd call it like this
(process-feeds (get-feeds-s-exp ...) (fn [feeds] body))
The first thing I'd like t
Hi all!
I'm happy to announce the public release of Moustache a micro web
framework whose sole purpose is to ease composing Ring handlers and
middlewares (hence you can mix Compojure and Moustache).
The mandatory hello-world: (app ["hi"] {:get "Hello group!"})
I wrote a quick walk-through: ht
On Mon, May 11, 2009 at 11:32 AM, Sean Devlin wrote:
>
> Here are my thoughts on the three approaches:
>
> Approach #1: This seems the most straightforward. I'd write a
> function that takes a map of conditions, and returns a list of
> tuples. You can then do what you want with the list of tup
Here are my thoughts on the three approaches:
Approach #1: This seems the most straightforward. I'd write a
function that takes a map of conditions, and returns a list of
tuples. You can then do what you want with the list of tuples.
Approach #2: Remember the first rule of macro club: Don't
On May 9, 2009, at 2:33 AM, Mark Derricutt wrote:
Can we add the following to contrib's sql namespace, it simply adds
"jndi" as a db-spec scheme ( I also raised this as http://code.google.com/p/clojure-contrib/issues/detail?id=39
, which google decided to set as a defect and I can't change):
> Let me know if you find it useful. I would love to get some comments.
> -Phil
Hi Phil,
I'm trying out clojure-http-client, & thus far I like the idea of it
quite a bit: a simple but clever wrapper on built-in JDK APIs, so
provides convenience w/o the burden of external jars.
Quickly, I ran in
In case anyone was looking for updated info, it can be found here:
http://www.lispnyc.org/home.clp
On Apr 29, 11:16 am, Stuart Sierra
wrote:
> Hi, Clojurians,
> I'll be talking about my work with Clojure at LispNYC on Tuesday, May
> 12. Time (evening) & location to be announced. Slides and
>
On May 11, 2009, at 15:03, Rich Hickey wrote:
> I have to admit to not having had time to go through your monad code
> in detail, but I'd like to ask the general question:
>
> Why not use dynamic binding in a Clojure implementation of monads?
That is an option I had considered, but quickly aband
On May 11, 2:40 am, Konrad Hinsen wrote:
> On 11.05.2009, at 03:00, Rich Hickey wrote:
>
> > Could you explain a bit why you needed to do this? I'm a bit concerned
> > about libraries requiring symbol-macros.
>
> Here is a simplified view of how my monad library works. Each monad
> is an object
On Fri, May 8, 2009 at 5:43 AM, Baishampayan Ghose wrote:
>
> Stephen C. Gilardi wrote:
>
> > I've simplified my .emacs file and clojure launch script to only what's
> > required for my slime setup to work with swank-clojure. With this
> > simplified setup, I confirmed that slime's repl works and
On May 11, 3:13 am, Mark Engelberg wrote:
> I'm curious, wouldn't it be possible for every ref-set to be
> implicitly wrapped in a dosync? That way, you wouldn't have to
> explictly wrap ref-set in a dosync for the times where you just want
> to change one ref. You'd only need to explicitly c
On May 8, 4:25 am, Curran Kelleher wrote:
> Hello,
>
> I've posted an example of a simple model-view-controller GUI skeleton
> in Clojure
> here:http://lifeofaprogrammergeek.blogspot.com/2009/05/model-view-controll...
>
> The GUI has a text box and a panel which draws what you type. It's not
> m
Hi
You can use
(. System getProperty "java.class.path") - To check class path
(. System getProperty "user.dir") - Current working directory
from your Slime REPL to check
For using Slime and Clojure I recommend Bill Clementson's blog entry here:
http://bc.tech.coop/blog/081205.html
which ha
On May 11, 4:42 am, tarvydas wrote:
> I added a full path to my working directory in the CLASSPATH
> environment variable (using the control panel) and that didn't appear
> to help.
In order for gui.Mainframe to work, there needs to be a directory $d
in your classpath such that the file $d/gui/M
On Mon, May 11, 2009 at 09:13, Mark Engelberg wrote:
>
> I'm curious, wouldn't it be possible for every ref-set to be
> implicitly wrapped in a dosync? That way, you wouldn't have to
> explictly wrap ref-set in a dosync for the times where you just want
> to change one ref. You'd only need to e
Hi,
I'm writing an RSS-reader using compojure and clojure.contrib.sql. As
this is my first project in a functional language, I'm not sure about
how to design the application. The concrete question I'm having right
now, is how to encapsulate database queries in functions. For my
RSS-reader, a basi
I'm curious, wouldn't it be possible for every ref-set to be
implicitly wrapped in a dosync? That way, you wouldn't have to
explictly wrap ref-set in a dosync for the times where you just want
to change one ref. You'd only need to explicitly call dosync when you
need to wrap more than one ref-se
On 10 Mai, 22:17, d...@kronkltd.net (Daniel E. Renfer) wrote:
> Phil Hagelberg writes:
> > Howard Lewis Ship writes:
>
> >> clojure-lang because there will be a clojure-contrib artifact for the
> >> same group.
>
> > And this is ... a bad thing? I'm lost.
>
> > -Phil
>
> Good, at least I'm not t
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