Re: building with Ant vs building with Maven

Hi, On 16 Dez., 12:47, kkw wrote: > Should I build using Ant instead of Maven? Using ant is the official way to build Clojure. Sincerely Meikel --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure" group. To

Re: 'require' doc string out of date?

On Mon, Dec 15, 2008 at 10:41 PM, Daniel Eklund wrote: > > I've been trying to get 'ns' right. The doc for 'require' tells me > the following about library loading: > > "The root resource path > is derived from the root directory path by repeating its last > component > and appending '.clj'. F

Re: template.clj (r306) in clojure.contrib won't compile

Thanks for the report, walterc. Fixed now -- I'd accidentally deleted a big chunk of the macro. -Stuart Sierra On Dec 16, 1:18 am, walterc wrote: > the template function is missing parameter binding part of a let --~--~-~--~~~---~--~~ You received this message be

Re: Does ANTS.CLJ still work?

Hmmm... I am also having problems with SLIME (see below) Perhaps the otherwise-very-nice Ubuntu instructions need to be updated http://riddell.us/clojure/ Can someone recommend the current best way to get a matching Clojure and Swank and Slime Thanks Peter ser=> java.lang.Exception: Unsupp

Re: test-is uncaught exception behavior

Fixed now (rev. 311), thanks for the report. -Stuart Sierra On Dec 16, 12:42 am, Allen Rohner wrote: > In recent versions of test-is, it appears that exceptions are only > caught inside of the 'is' macro, as opposed to during the whole test > run. This is a problem when running test-is from slim

Re: 'require' doc string out of date?

> In general, clojure-contrib is a good place to look to find examples > of properly laid-out libs, as well as generally idiomatic Clojure > code. > > --Chouser Yeah, just recently I've taken to scanning the code in 'webjure' and 'swank' to see how things are done, rather than relying on the APIs

Re: Best Way to Ensure a Call to (shutdown-agents)?

On Tuesday 16 December 2008 06:02, MikeM wrote: > You can try this: > > (let [t (new Thread (fn[] (shutdown-agents)))] >(.. java.lang.Runtime (getRuntime) (addShutdownHook t))) > > It works for me, but seems to take a long time to complete the > shutdown. I tried adding this to the module tha

Re: Listen on changes to refs

On Dec 16, 7:50 am, Timothy Pratley wrote: > SS wrote a cells that works on refs quite a while > ago:http://groups.google.com/group/clojure/browse_thread/thread/d79392e4c... Yeah, it works, but the interface is a little awkward. Rich said he wants to add watchers for refs and atoms in addition

Re: Best Way to Ensure a Call to (shutdown-agents)?

On Tuesday 16 December 2008 07:36, Randall R Schulz wrote: > ... > > So I am still confused about the right way to deal with agents in > order to get reliable and prompt exit from the REPL and why an EOF > from the terminal hangs (only if agents were started and regardless > of whether a shutdown

Re: Emtpy (filter ...) Result Yields nil; Could / Should It Be An Empty List?

On Tue, Dec 16, 2008 at 12:26 AM, Mon Key wrote: > > whoops, chopped of the end of that last message - forgot the nasake-no > ichigeki > user> (seq? '(nil)) > ==|]==>true '(nil) is a list containing the single element nil. nil is no kind of list whatsoever. So, (seq? '(nil)) is true, since '

Re: doall and dorun

I think I'll be putting my money on (for) returning a cached lazy seq, and (macroexpand) also tells me that there's a lazy-cons hidin in there: user=> (macroexpand '(for [i (range 1 3)] (do (println i) i))) (let* [iter__4007 (clojure.core/fn iter__7 [s__8] (clojure.core/when-first [i s__8] (cloju

Re: Emtpy (filter ...) Result Yields nil; Could / Should It Be An Empty List?

On Tuesday 16 December 2008 08:03, J. McConnell wrote: > ... > > '(nil) is a list containing the single element nil. nil is no kind of > list whatsoever. So, (seq? '(nil)) is true, since '(nil) is a list > and lists are seqs and (seq? nil) is false since nil is not a > sequence. > > The quoted lis

Re: Getting Started with Gen-Class

On Mon, Dec 15, 2008 at 7:33 PM, Rich Hickey wrote: > > When pulling new Clojure from SVN, please do: > > ant clean > ant > > So you know you have a consistent build. If the supported way to build Clojure is to clean before the build, can we just have the init target depend on clean? Attached is

Re: Emtpy (filter ...) Result Yields nil; Could / Should It Be An Empty List?

On Tue, Dec 16, 2008 at 11:23 AM, Randall R Schulz wrote: > > It is also the case that empty lists are self-evaluating: > > user=> ''() > (quote ()) > > user=> '() > () > > user=> () > () Ahhh, good to know. Thanks! - J. --~--~-~--~~~---~--~~ You received this m

Re: Does ANTS.CLJ still work?

On Mon, Dec 15, 2008 at 11:54 AM, Peter Wolf wrote: > > I get the following error when I try ANTS.CLJ. Has something changed? Recent Clojure from SVN and a recent download of ants.clj from the google group seem to work fine together for me. --Chouser --~--~-~--~~~-

Re: Getting Started with Gen-Class

On Tuesday 16 December 2008 08:26, J. McConnell wrote: > On Mon, Dec 15, 2008 at 7:33 PM, Rich Hickey wrote: > > When pulling new Clojure from SVN, please do: > > > > ant clean > > ant > > > > So you know you have a consistent build. > > If the supported way to build Clojure is to clean before t

Re: Listen on changes to refs

SS wrote a cells that works on refs quite a while ago: http://groups.google.com/group/clojure/browse_thread/thread/d79392e4c79f8cde/f92eae422e4086c5?lnk=gst&q=cells+refs#f92eae422e4086c5 If you search the group for "cells" you'll find quite a bit of discussion --~--~-~--~~

Re: building with Ant vs building with Maven

--- On Tue, 12/16/08, kkw wrote: > Since the Ant-built file is bigger, should I build > using Ant instead of Maven? It looks like the Ant build is compiling more; for example the Maven build includes zip.clj, where the Ant build has all the zip%*.class files. Dave --~--~-~--~~---

Re: Emtpy (filter ...) Result Yields nil; Could / Should It Be An Empty List?

> This is why flatten's behavior was considered a bug. In Clojure, an > empty sequence is equivalent to nil, not to '(nil). This does not comport with the various differences enumerated @ http://clojure.org/lisps Perhaps they need to be changed. RH care to weigh in on this? which says: "() is n

building with Ant vs building with Maven

Hi folks, When I run 'mvn install' from the clojure\trunk directory (svn 1160), Maven creates: 16/12/2008 10:37 PM 519,267 clojure-lang-1.0-SNAPSHOT.jar When I run 'ant' from the clojure\trunk directory (svn 1160), Ant creates: 16/12/2008 10:37 PM 1,393,895 clojure.ja

Re: Best Way to Ensure a Call to (shutdown-agents)?

You can try this: (let [t (new Thread (fn[] (shutdown-agents)))] (.. java.lang.Runtime (getRuntime) (addShutdownHook t))) It works for me, but seems to take a long time to complete the shutdown. Your question made me wonder if the agent thread pools should use daemon threads - then this woul

Re: Emtpy (filter ...) Result Yields nil; Could / Should It Be An Empty List?

Thanks, Lennart. That works, although it took me a few minutes to figure out why. (For the record, tree-seq returns a copy of its argument as the first item in the sequence.) This also means that (flatten "string") ;=> (\s \t \r \i \n \g) I've put in a patch. -Stuart Sierra On Dec 15

Re: License of/permission for Clojure's logo

On Dec 16, 2008, at 8:37 AM, Tom Hickey wrote: > > Hey Rich, > > Eric and I were also wondering if the logo was under the same license > as Clojure itself. If it is, should this be explicitly stated > somewhere? I think using a license designed for code is slightly inappropriate for artwork.

Re: Initialize java.util.TreeSet/TreeMap using clojure set/map value

On Tue, Dec 16, 2008 at 12:11 AM, Feng wrote: > > Hi, > > Because clojure set, vector and map all implements > java.util.Comparator (indirectly via AFn), they interact with > java.util.TreeSet/TreeMap in surprising way due to overloaded ctor > (java.util.Comparator). > > user=> (def s (java.util.

Re: License of/permission for Clojure's logo

Hey Rich, Eric and I were also wondering if the logo was under the same license as Clojure itself. If it is, should this be explicitly stated somewhere? Thanks, Tom On Dec 9, 1:03 am, samppi wrote: > I've uploaded thelogo'sglyph and added it to Clojure's article. > > However, I'm wondering, Mr

Re: Gorilla: key combinations

On Mon, Dec 15, 2008 at 10:08 PM, Alex Burka wrote: > > Thanks for Gorilla. I am using it with MacVim. One (or :bug :pebkac) > report... > > I put plugin/gorilla.vim in /Applications/MacVim.app/Contents/ > Resources/vim/runtime/plugin/ and it seems to be loaded when MacVim > starts. But the keybi

Is clojure.core/require documentation out of date ?

Hello, I try to fill the gap from when I discovered clojure several months ago, and I'm trying to understand the lib vs namespace stuff. I go straight to what I consider may be the primary source of documentation by calling (doc require), and I see this : " 'require loads a lib by loading its

ClassName. Constructor Notation in Macros?

Hi, A couple of days ago I was having a lot of trouble getting the (ClassName. ctor-args...) form of constructors to work while (new ClassName ctor-args...) was fine. It eventually occurred to me that the problem had to do with those constructor calls being in macro bodies. Now it turns out t

Re: Patch: precompiling Clojure core sources in Ant build script

FYI - I forwarded the patch to Jeffrey Chu and he has patched swank-clojure in git. - Bill On Sun, Dec 14, 2008 at 2:20 PM, Feng wrote: > > This is due to the change in clojure svn 1158. (.method ClassName ...) > syntax has been changed to call java.lang.Class method for ClassName, > not static

Microsoft SQL Server and the sql contrib

I'm trying to use the sql contrib with Microsoft SQL Server Express 2005. 1. I've included sqljdbc.jar in my classpath. 2. In my namespace I (:require [clojure.contrib.sql :as sql]) 3. I'm defining my database connection as follows: (def db {:classname "com.microsoft.sqlserver.jdbc.SQLServerDri

Listen on changes to refs

Can I listen on changes done to refs? Let's say in a scenario like that on http://en.wikibooks.org/wiki/Clojure_Programming#Mutation_Facilities could I add a facility that allows the registration of listeners that get called on certain changes to the refs? For example I'd like to be notified on

Re: Emtpy (filter ...) Result Yields nil; Could / Should It Be An Empty List?

On Tue, Dec 16, 2008 at 11:59 AM, Mon Key wrote: > >> This is why flatten's behavior was considered a bug. In Clojure, an >> empty sequence is equivalent to nil, not to '(nil). > > This does not comport with the various differences enumerated @ > http://clojure.org/lisps > Perhaps they need to be

Re: Listen on changes to refs

There must be a smarter way to achieve this than polling the collection for changes, I guess. On 16 Dez., 21:43, Dave Griffith wrote: > Right now, you add listeners to agents, but not refs. IIRC, there > was talk of adding listeners to refs to enable just the sort of > reactive programming you

Re: Problems with "gen-and-load-class" (defn user-exception-test [] (try (throw (new user.UserException "msg: user exception was here!!")) (catch user.UserException e (prn "caught exception" e)) (fina

On Sun, Dec 14, 2008 at 4:29 PM, Tommy wrote: > > Hello. > > I am having problems with "gen-and-load-class". I have a file with an > example from the wiki book: > > (gen-and-load-class 'user.UserException :extends Exception) > > (defn user-exception-test [] > (try >(throw (new user.UserExcep

ants.clj demo and old single core CPU

Hello, Is the ants.clj supposed to work on single core ~700MHZ CPU? The program loads and runs, but all ants "stay at home" (but the CPU is busy). I am using latest svn version of clojure on: java version "1.6.0_0" IcedTea6 1.3.1 Runtime Environment (build 1.6.0_0-b12) OpenJDK Client VM (buil

Re: Listen on changes to refs

Right now, you add listeners to agents, but not refs. IIRC, there was talk of adding listeners to refs to enable just the sort of reactive programming you describe, but I don't know the status. --~--~-~--~~~---~--~~ You received this message because you are subsc

Re: ants.clj demo and old single core CPU

Well, Reducing the number of ants helped and it works... Vlad --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this

Re: Is clojure.core/require documentation out of date ?

> If I'm wrong, could you please help me understand, maybe by giving me > a URL I may have missed ? > > Regards, > > -- > Laurent PETIT yes it is out of date... check the post 5 posts down: http://groups.google.com/group/clojure/browse_frm/thread/4a4c2e3e7aab5325# --~--~-~--~~--

Blogging About Clojure?

Hi, Wordy though I am, I've never done any blogging before, but now that I'm finally beginning to get up-to-speed on Clojure, I think I might have some things to say. So I was wondering if anyone could recommend a good blog site for this purpose? Naturally, I'll want to include source code, s

Re: Microsoft SQL Server and the sql contrib

To make sure your driver is really on the classpath, try this from the REPL: (. Class (forName "com.microsoft.sqlserver.jdbc.SQLServerDriver")) --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure" group. To p

Re: ClassName. Constructor Notation in Macros?

Hi Randall, The syntactic sugar forms are reader behavior, and occur too soon: at read time, not macro expansion time. Macros need to expand to real forms, not reader shortcuts. Stuart > Hi, > > A couple of days ago I was having a lot of trouble getting the > (ClassName. ctor-args...) form o

Re: ClassName. Constructor Notation in Macros?

On Tuesday 16 December 2008 11:32, Stuart Halloway wrote: > > Hi, > > > > ... > > > > However, I am left wondering what exactly is the interaction that > > was causing the dot-suffix form of the constructor call to fail in > > a macro expansion. I sense it has to do with the fact that symbols > >

Re: ClassName. Constructor Notation in Macros?

On Dec 16, 2:32 pm, Stuart Halloway wrote: > Hi Randall, > > The syntactic sugar forms are reader behavior, and occur too soon: at > read time, not macro expansion time. > Actually, the dot sugar is not reader magic, but macroexpansion, as documented here: http://clojure.org/java_interop (re

Re: ClassName. Constructor Notation in Macros?

On Tuesday 16 December 2008 12:37, Rich Hickey wrote: > On Dec 16, 2:32 pm, Stuart Halloway wrote: > > Hi Randall, > > > > The syntactic sugar forms are reader behavior, and occur too soon: > > at read time, not macro expansion time. > > ... > > > Macros need to expand to real forms, not reader s

Re: building with Ant vs building with Maven

Thanks Meikel and Dave! Much appreciated. Kev On Dec 17, 12:13 am, Dave Newton wrote: > --- On Tue, 12/16/08, kkw wrote: > > > Since the Ant-built file is bigger, should I build > > using Ant instead of Maven? > > It looks like the Ant build is compiling more; for example the Maven build > in

Re: ClassName. Constructor Notation in Macros?

This is confusing. First, if you read the docs, they begin with: - (Classname. args*) (new Classname args*) Special form. - Only if you read further do you discover that (Classname. args*) is not a special form but a macro. Also,

confused by Vars, Refs, Agents and Atoms

I am fairly familiar with basic functional programming. I've studied a bit of scheme and Haskell. I don't quite understand Vars, Refs, Agents and Atoms. I am a Java developer and have worked with concurrency constructs: locks, synchronized, Executor framework, etc. I've read a couple of chapte

reload library, blowing away old public symbols

Hi all, I sometimes need to (re)load a library, removing public symbols from previously loaded version of the same lib: (defmacro ns-reload! [ns] `(do (if (find-ns '~ns) (doseq [s# (keys (ns-publics '~ns))] (ns-unmap '~ns s#))) (require :reload-all '~ns))) Use case: Wri

Re: Microsoft SQL Server and the sql contrib

I don't think that's a problem: user> (. Class (forName "com.microsoft.sqlserver.jdbc.SQLServerDriver")) com.microsoft.sqlserver.jdbc.SQLServerDriver On Tue, Dec 16, 2008 at 12:21 PM, MikeM wrote: > > To make sure your driver is really on the classpath, try this from the > REPL: > > (. Class (fo

Re: confused by Vars, Refs, Agents and Atoms

Check out http://blip.tv/file/812787/ which is a video presentation by Rich Hickey on clojure concurrency; it ends with an description of an ant simulation that uses refs and agents -- it really helped my own intuitive feel of when to use those two constructs. Best, Andrew --~--~-~--~

Re: confused by Vars, Refs, Agents and Atoms

On Tuesday 16 December 2008 13:54, Andrew Baine wrote: > Check out http://blip.tv/file/812787/ ... Rich's video presentations are also available via the iTunes store. Search for "Clojure," of course—you won't get any false hits. > Best, > > Andrew Randall Schulz --~--~-~--~~

Re: Clojure classes graph (was chart.png)

On Sunday 14 December 2008 13:47, Chouser wrote: > I've updated the Clojure classes graph (thanks for the push, R. > Schulz!) The new version includes the newest classes as well as Java > interfaces that are applicable. These latter are shown inside > diamonds. > > ... > > I won't be maintaining

Patch available: unifies entry points, fixes (read-line) for clojure.main/repl, provides source-only jar

The enclosed patch updates clojure.main to fix a bug and implement changes discussed here recently. Details below. Feedback welcome. --Steve [1] clojure.main no longer calls gen-class. Instead there is now a stub clojure.main class written in Java so it is always available with Clojure's r

Re: confused by Vars, Refs, Agents and Atoms

On Tue, Dec 16, 2008 at 1:22 PM, falcon wrote: > > I am fairly familiar with basic functional programming. I've studied > a bit of scheme and Haskell. I don't quite understand Vars, Refs, > Agents and Atoms. I am a Java developer and have worked with > concurrency constructs: locks, synchroniz

Re: reload library, blowing away old public symbols

I would find this useful; I've even tried writing it in the past. Perhaps it could go in clojure.contrib.ns-utils. A thought -- would it be more thorough to use "remove-ns"? -the other Stuart (Sierra) On Dec 16, 4:32 pm, Stuart Halloway wrote: > Hi all, > > I sometimes need to (re)load a libr

Re: reload library, blowing away old public symbols

On Dec 16, 4:55 pm, Stuart Sierra wrote: > I would find this useful; I've even tried writing it in the past. > Perhaps it could go in clojure.contrib.ns-utils. > > A thought -- would it be more thorough to use "remove-ns"? > > -the other Stuart (Sierra) > > On Dec 16, 4:32 pm, Stuart Halloway wr

Re: reload library, blowing away old public symbols

On Tuesday 16 December 2008 15:05, Allen Rohner wrote: > > On Dec 16, 4:32 pm, Stuart Halloway wrote: > > > Hi all, > > > > > > I sometimes need to (re)load a library, removing public symbols > > > from previously loaded version of the same lib: > > > > > > (defmacro ns-reload > > >    `(do > > >

creating new sequences

If I create a new sequence by adding data to an existing one, does Clojure allow the two sequences to share data as opposed to copying the original sequence? For example, (def coll1 [1 2]) (def coll2 (cons 3 coll1)) Does coll2 share the data in coll1 or have a copy of it? I'm guessing the answe

Re: Is clojure.core/require documentation out of date ?

OK, thank you for the link. I know don't feel comfortable with the notion of lib. I currently assume that it is more or less similar to a namespace : it looks like a namespace, it tastes like a namespace, but still does seem to be not considered a namespace. In which ways does the notion of "lib

Re: creating new sequences

On Dec 16, 2008, at 6:29 PM, Mark Volkmann wrote: If I create a new sequence by adding data to an existing one, does Clojure allow the two sequences to share data as opposed to copying the original sequence? For example, (def coll1 [1 2]) (def coll2 (cons 3 coll1)) Does coll2 share the data i

Re: creating new sequences

On Dec 16, 2008, at 6:35 PM, Stephen C. Gilardi wrote: It shares the data--which is safe because of immutability and efficient because Rich designed and implemented Clojure's persistent data structures carefully and well. But Mark was talking about sequences, not persistent data structures

Re: Bug in unchecked operations?

On Sun, Dec 14, 2008 at 3:24 PM, Michel Salim wrote: > > My mistake; unchecked operations work just fine if their arguments > (including constants) are given type hints. What happens if unchecked- > add/sub/... is given an argument of unknown type, though? It still > seems to work, though slowly.

clojure wrapper for Saxon XSLT 2.0 library

Hi All, For any of you who do XSLT 2.0 processing, I've written a simple Clojure wrapper around Saxon's (saxonica.com) high-level Java API. It's at http://github.com/pjt/saxon/tree/master Best, Perry --~--~-~--~~~---~--~~ You received this message because

Re: Is clojure.core/require documentation out of date ?

> > I know don't feel comfortable with the notion of lib. I currently > assume that it is more or less similar to a namespace : it looks like > a namespace, it tastes like a namespace, but still does seem to be not > considered a namespace. > I understand your pain. I am right now going through

Re: Microsoft SQL Server and the sql contrib

Have a look at http://dertompson.com/2007/10/06/connection-to-mssql-server-express-2005-with-jdbc/ Apparently using JDBC with MSSQL Express requires some extra setup. On Dec 16, 3:49 pm, "Scott Jaderholm" wrote: > I don't think that's a problem: > user> (. Class (forName "com.microsoft.sqlser

question about (commute messages conj msg)

Hello, My question is that conj takes two argument and how conj finds the first argument? Is it somehow provided by commute? Thanks, sun --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to t

Re: question about (commute messages conj msg)

On Tuesday 16 December 2008 18:10, wubbie wrote: > Hello, > > My question is that conj takes two argument and how conj finds > the first argument? Is it somehow provided by commute? Consider the documentation for (commute ...) (at ): -==--==--==--==--==--==--==--==--==--

Re: question about (commute messages conj msg)

Thanks Randall. My background is mostly in imperative languages, including perl and perl has closure, so it looks commute uses closure concept to implement this. Is it right? Thanks again, sun On Dec 16, 9:28 pm, Randall R Schulz wrote: > On Tuesday 16 December 2008 18:10, wubbie wrote: > > >

Re: question about (commute messages conj msg)

> and perl has closure, so it looks commute uses closure concept > > > My question is that conj takes two argument and how conj finds > > > the first argument? Is it somehow provided by commute? commute is passed conj as a function. commute then calls conj messages msg, and sets messages to be th