Re: Alright, fess up, who's unhappy with clojurescript?

On 27 July 2011 01:43, Mark Derricutt wrote: > My unhappiness with it is more akin to my unhappiness with ANY language that > tries to target multiple VM platforms, and that's mostly due to the > -potential- to break the community. It may be helpful to approach the issue with the premise that Clo

Re: using regex reader macro with generated code

On Jun 16, 4:47 am, Alex Baranosky wrote: > IS it possible to use the regex reader macro #"" with generated code?  What > I mean is do something like: > > #"${(join "|" (range 1 1))}" > > I'm using ${...} to mean string interpolation, though I know Clojure doesn't > have that syntax.  Is there

Re: Clojure stack

On May 22, 10:53 pm, Laurent PETIT wrote: > Your discussion has been slowly getting me into the mindstate that > I'll add this missing "reindent whole file/current selection" feature > in CCW, AH ! Or, perhaps into a separate library so we can use your reindenting feature in Emacs, VimClojure etc

Re: We need a better way to handle errors.

On May 23, 12:24 am, Aaron Bedra wrote: > Have you signed a CA yet? If so, you can sign up for a confluence account > and start a wiki page around this.  This way the appropriate discussions and > review can take place and then possibly a JIRA ticket/patch to fix things > up. Discussions about im

Re: cond in dosync problem

On Apr 26, 10:52 pm, Jonathan Fischer Friberg wrote: > No, that isn't possible.http://clojure.org/refs I disagree: In the example given, dereferencing happens outside the dosync block, thus outside of any transaction, so a race where map1 and map2 change midway through the #'and expression is the

Re: fs - file system utilities for Clojure

On 23 March 2011 15:21, Jeffrey Schwab wrote: > Not so.  Windows commands of the form "someProgram /some/path" often mistake > /some/path for command-line switches (like Unix flags). Yes, working around this issue is discussed in the Wikipedia article I linked to. > I had real-world > problems w

Re: fs - file system utilities for Clojure

On 22 March 2011 05:47, Shantanu Kumar wrote: > On Mar 22, 3:29 am, siyu798 wrote: >> (dirname "/a/b/c") should return "/a/b/" on both win and unix > > You can write such a function yourself. Irrespective of the platform, > Java works fine with '/' as a separator in the filename. In fact, this i

Re: Throwing an Exception with get

On 21 March 2011 15:52, Jonathan Smith wrote: > Here is a way that should work. > > (let [missing (gensym)] >  (defn get-with-exception [map key] >    (let [res (get map key missing)] >      (if (= res missing) >          (throw (new Exception "my-exception")) >        res You may be able to

Re: Throwing an Exception with get

On 20 March 2011 22:02, Andreas Kostler wrote: > Would that be flow control though? I see this exception as a rather > exceptional circumstance for this application... If a missing key signifies an error, then yes, it should probably throw an exception. It seems reading your code wrongly reminde

Re: How to Sum a Sequence?

On Mar 20, 10:22 am, Christian wrote: > valued fibonacci terms under four million. (I did not know how to > specify a predicate depending on the value of (fib-seq) to check if > the value is under 4 million.) For this there is #'take-while: (take-while #(< % 400) ...) Daniel -- You receiv

Re: Throwing an Exception with get

On Mar 20, 10:50 am, Andreas Kostler wrote: > I would like to throw an exception when I'm trying to retrieve a value in a > map for a key that doesn't exist. Another concise solution (thanks, Conj Labs): (defn get-o­r-exc [map key] (if-l­et [[_ v] (find­ map key)]­ v (thro­w (Exce­pti

Re: Monad Lessons

On Mar 9, 8:15 pm, jim wrote: > So, my question is how many would be interested in such a session? > This would be a basic introduction to monads. Future session could be > about more advanced monad topics, if there was a demand for that. I'd *love* to attend. Even with such a vast amount of onli

Re: Entity component system

Hi msappler, On Jan 12, 12:27 pm, msappler wrote: > No i do not mind. > A blog is being planned for promotion of my game and sharing. > Only have to find a domain name which i like. Have you put anything in the meantime? I'd be very interested to read about your game's progress and learn more ab

Re: Summer of Code 2011

On 5 March 2011 20:35, Timothy Washington wrote: > I've actually been thinking about that. And from what I can tell, LISP DSLs > are simply extensions to the LISP language. But maybe I still haven't gotten > my head wrapped around 'defmacros' and how they implements DSLs. It seems to Please note

Re: better error messages > smaller stack traces

On 2 March 2011 09:32, Alan wrote: > '(apply + 1 1) would be how you create a list of those symbols. > ('apply + 1 1) says "call the function 'apply with the arguments of + > 1 and 1". Note that this will still break at runtime because Integers are not seqable. :-) You probably want either (appl

Re: Master worker pattern

On Feb 28, 3:34 pm, Zlaja wrote: > How I can achieve master worker pattern in clojure with agents. > For example I have components that write messages to a queue. > I would like to process messages parallel by agents. Is it posible? This use case sounds like a job for Lamina: https://github.com/

Re: Arithmetic operations on custom types

On Feb 28, 9:31 pm, Seth wrote: > Or, if you dont feel like doing refer-clojure every time, you might be > interested in this:http://planet-clojure.org/page28.html > under "Computing with Units and Dimension" Your link only gives me a 404, unfortunately, but Google's cached text- only version wor

Re: better error messages > smaller stack traces

On 27 February 2011 20:50, Mark wrote: > I wrote that up quickly without thinking much about it.  Yes, the > invocation is definitely a macro and not a function.  Still, I think > it would be helpful to see the symbol's value and, if possible, the > macro's arity. Is calling symbols as a function

Re: Trouble with type hints

On Feb 16, 6:20 am, Nick wrote: > (let [  newv1  (time (doall (map (fn [v u I] (+ ^java.lang.Double v (* > 0.5 (+ (* (+ (* 0.04 ^java.lang.Double v) 5) ^java.lang.Double v) 140 > (- ^java.lang.Double u) ^java.lang.Double I v u I))) >         newv  (time (doall (map (fn [v u I] (+ v (* 0.5 (+ (

Re: Implementing destructuring without setting your hair on fire

On Jan 22, 1:19 am, Mark Triggs wrote: > Daniel Werner writes: > > After a few tries I've come up with the following algorithm to > > transform :keys syntax into normal destructuring syntax, but am still > > appalled by its complexity: > > > (l

Re: better error messages > smaller stack traces

On 10 February 2011 21:33, Fogus wrote: > Additionally, I've always hoped for separate > PreConditionAssertionError and PostConditionAssertionError types, but > keep forgetting to discuss it. A while ago Stuart Sierra wrote about using typed assertions in unit testing. One of his points was to gi

Re: better error messages > smaller stack traces

On 10 February 2011 17:05, Jeff Rose wrote: > Sorry for the reply spam, but I've just remembered another error > reporting issue: pre and post conditions.  They are a great feature > and I'd like to use them more often, but the error messages they > produce are virtually useless in comparison to j

Implementing destructuring without setting your hair on fire

Hi everyone, let's play a round of golf. I am currently implementing associative destructuring for ClojureJS while trying not to peek into clojure.core too often -- which wouldn't make things much easier since the 'destructure fn is a huge beast. After a few tries I've come up with the following

Re: How do I find implemented protocols in Clojure object?

On 13 January 2011 15:52, Maurits wrote: > (defn all-protocols [] >  (filter #(protocol? @(val %)) (ns-publics *ns*))) > > (defn implemented-protocols [sym] >  (filter #(satisfies? @(val %) sym) (all-protocols))) Of course, this will restrict your search to protocols in a given namespace. It mig

Re: ANN: clojurejs -- a Clojure (subset) to Javascript translator

On Jan 11, 4:20 pm, Ram Krishnan wrote: > > * Mozilla's JS 1.7 supports a let statement[1] with lexical scoping, > > ... > That's an interesting idea, although I'm not too keen on specializing > for any one browser. The other problem is I don't see any reasonable > way of providing the alternates

Re: ANN: clojurejs -- a Clojure (subset) to Javascript translator

Hi Ram, your take on Clojure to JS translation seems very interesting to say the least. Thanks for sharing your work. A few points I tripped over while reading the example: * Why are functions being defined as "join = function (...)" instead of "function join (...)"? Does this make a semantic dif

Re: Odd behavior calling a fn "test" or "try"

On Jan 11, 2:28 am, Tom Hall wrote: > I know I should not be naming my functions the same thing as ones in core You can and should, as long as it makes your life easier and doesn't get too confusing for readers. Just make sure you're able to access the original core bindings if you need them: (n

Re: Funding 2011?

On 4 January 2011 19:20, Jon Seltzer wrote: > Why not update the funding from simple donation to a purchase of > clojure/core software like a refined version of the eclipse plugin or > some other incentive based approach?  I think I understand why rich > might find 'donation' approach a bit uncomf

Re: Funding 2011?

Hi Rich, On 4 January 2011 06:31, Rich Hickey wrote: > I was going to continue the funding effort, but have decided against it for > the reasons given here: Regarding the "entitlement [...] as to what I do with my time", I believe I know of one of the discussions that lead you to this conclusion

Re: Calling methods with a dollar sign in them

On 22 December 2010 23:22, Seth wrote: > ok, thats what i thought. Any change of a literal syntax for symbols > like in lisp, |symbol|?? There is no special reader syntax for weirdly named symbols, at least as far as I am aware, but you can always use: (symbol "strange$name") -- You received t

Re: Waiting for agents

On 18 December 2010 16:29, Ken Wesson wrote: > "Once Java 7 is out" is starting to seem like "once LaTeX3 is out" or Oh, you haven't heard the news yet? LaTeX3 has already been superseded anyway: http://river-valley.tv/tug-2010/an-earthshaking-announcement -- You received this message because

Re: Waiting for agents

On 18 December 2010 10:41, nicolas.o...@gmail.com wrote: > Thank you very much for the explanations. I will go for Fork/join. > Anybody is working on a clojure wrapper? Take a look at Clojure's par branch: https://github.com/clojure/clojure/tree/par It has proof-of-concept Fork/Join support, bu

Re: Null-safe threading macro?

On 10 December 2010 22:08, Alex Baranosky wrote: > I actually did use that search and a search of -?> doesn't come find -?> The incremental search feature actually suggests "-?>" while you're still typing, and clicking on the suggestion will take you to the correct docs for clojure.contrib.core/-

Re: Null-safe threading macro?

On Dec 10, 6:35 am, Alex Baranosky wrote: > Thanks, it is so hard to google symbols. Use the search bar on ClojureDocs: http://clojuredocs.org/ -- Daniel -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@

Re: will calling set on an existing set shortcircuit the call and return the same set or would it create a new one?

On Nov 30, 3:08 am, Sunil S Nandihalli wrote: >  I didn't realize I could test it so easily. But I would like it to ideally > return the same collection .. Shouldn't be hard to write a wrapper .. But I > think it should be the default behaviour. What benefit do you hope to achieve? It would proba

Re: why not change > < type compare functions do a compare on strings as well?

On 1 December 2010 02:01, Chris Riddoch wrote: > Which reminds me, I'd really love to see a good comparison of freely > available benchmarking tools for Clojure.  From past discussions on > the list, I gather that benchmarking in the JVM is a rather tricky > thing in general, but much more so for

Re: Regarding The Implementation of 'merge-with'

On 26 November 2010 16:48, Laurent PETIT wrote: > 2010/11/26 Steven E. Harris >> Daniel Werner writes: >> > (some identity maps), on the other hand, checks whether there is any >> > non-empty map *in the coll of maps*. >> >> By "non-empty" here

Re: Regarding The Implementation of 'merge-with'

On Nov 26, 1:42 pm, Stefan Rohlfing wrote: > Question 1: > (when (some identity maps) > > This expression from the original implementation checks if the > provided coll is empty. > However, why not just use (when (empty? maps) or (when (seq maps) > instead? Note also that (seq maps) and (empty? m

Re: Question about an idiom.....

On 24 November 2010 21:40, Mike Meyer wrote: > Could someone explain where this urge to write (-> expr (func arg)) > instead of (func expr arg) comes from? I like to use -> and ->> because they allow me to add more steps to the "pipeline" as needed, without requiring ever more deeply nested paren

Re: Clojure application in the wild, to learn beautiful Clojure technique(s) from

I'd consider the following projects: Compojure is written in an almost purely functional style and demonstrates well how Clojure values can act almost as their own DSLs while keeping the semantics clear and concise. http://github.com/weavejester/compojure Christophe's Regex lib shows how to use D

Re: clojurescript and 1.2.0

On Sep 13, 9:40 am, Nicolas Oury wrote: > I switched to Parenscript for my small JS project, even if I's rather > have used Clojure than CL (especially a very small subste of CL) There is also Scriptjure, which is basically JavaScript with Clojury syntax, similar to what ParenScript does for CL:

Re: matching with wild-cards in clojure multi-methods

On 9 September 2010 07:31, Meikel Brandmeyer wrote: > derive works with non-qualified keywords, but the contract disallows > that: Apparently the contract given in the docstring is being enforced in derive's 2-arg definition, but the "must be namespaced" parts of the assertions are missing from t

Re: matching with wild-cards in clojure multi-methods

On Sep 6, 4:43 pm, Meikel Brandmeyer wrote: > You can use qualified keywords with an hierarchy. > > (def your-hierarchy >   (-> (make-hierarchy) >     (derive ::hello ::anything) >     (derive ::world ::anything) >     (derive ::city ::anything) >     (derive ::us ::anything))) Building your own

Re: Mapping a function to a map

On Sep 7, 9:00 am, Thomas wrote: > I've also been using my own version of a map-to-values function > extensively and it would be really nice to have something like that, > either in contrib or in core. It comes in handy surprisingly often. +1 I find myself writing functions like map-values and f

Re: Why the mix of dot syntax in clojure.core?

On Aug 22, 2:39 am, Legilimens wrote: > Would people be interested in a patch that replaces all of the older > static calls using . to the newer method using / ? I personally don't mind the leftovers of old syntax in core. However, the question of "why is it being used" comes up every couple of m

Re: Why does using a dynamic binding make a function impure?

On 20 July 2010 11:50, Paul Richards wrote: > So back to my example: > > (def forty-two 42) > > (defn func [] (* forty-two forty-two)) > > (defn other-func [] (binding [forty-two 6] (func))) > > > "func" is impure, and "other-func" is pure.  It's really nothing to do > with whether the "binding" k

Re: ClojureDocs.org

Hi Zack, I just take a quick look at your site and must say that I'm impressed. This is going to become one of the utilities I constantly keep open in the background while developing. Especially since features like the Var cross-referencing tend to make easier to get the "big picture". One thing

Re: Clojure Futures Docs and Functionality

On 25 June 2010 05:27, Ryan Senior wrote: > (future-await fut2 2 :minutes) ; => "done" Your implementation points into the right direction (again, IMHO). I'd like to offer two suggestions: 1. Leave out the three-arg version of future-await. The time unit conversion seems somewhat superfluous, wi

Re: STM style disk persistance

On Jun 22, 7:57 pm, Timothy Baldridge wrote: > system it uses. Has anyone tried marrying the two system systems to > create a truly persistent data primitive where any "updates" to a map > is written to the disk? There has been an attempt at integrating STM transactions with DB transactions, even

Re: Clojure Futures Docs and Functionality

Hello Ryan, On Jun 21, 7:34 am, Ryan Senior wrote: > 1 - I think a good improvement would be updating the docs for the future > related functions to indicate what kind of objects are passed in and > returned.  Users would then not have to go through the source to see what's > being returned.  Thi

Re: Interface to integrate transactions with Clojure transactions

On Jun 11, 11:41 pm, Chris Kent wrote: > Is this what you're thinking of? > > http://groups.google.com/group/clojure/browse_thread/thread/aa22a7095... > > I'm not sure what happened, it sounded promising but I've not seen it > mentioned again since this thread went quiet. This is exactly what I w

Re: Interface to integrate transactions with Clojure transactions

On Jun 10, 12:26 pm, Michael Jaaka wrote: > Is there any way to integrate database transaction with Clojure > transaction? > It would be nice if operations done in memory and on database would be > commited atomicly with the end of transaction scope in Clojure. > Such interface had to be also awar

Re: A simple csv parsing library

Jonas, Thanks for stepping forward and publishing your work. From the short glance I had at it already, your code seems very low-level (probably for performance), but sound. The only thing that, compared to other CSV libraries I've used, I miss somewhat is explicit support for "dialects". While th

Re: (apply interleave [[1 2]])

On May 31, 10:07 pm, Daniel Werner wrote: > quantitative logic That should have been "quantification logic". -- 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 N

Re: (apply interleave [[1 2]])

On May 30, 12:51 am, Eugen Dück wrote: > How often do you do: > (+ 5) > or > (* 3) > > ? But you might have used something like > (apply + coll) > or > (reduce + coll) > > and under certain circumstances your coll might have had only one > element. This is a good line of reasoning. Let's add an e

Re: promoting contrib.string to clojure, feedback requested

On May 26, 8:12 pm, Mohammad Khan wrote: > personally, I like strip or trim [rather] than chomp/chop. +1 from a mostly-Python programmer :-) On May 26, 8:15 pm, Mark Engelberg wrote: > If you're developing a trio, like ltrim, trim, rtrim, wouldn't it be > better to call them triml, trim, trimr

Re: agents returning nil by default

On 20 May 2010 11:42, Anders Rune Jensen wrote: > The algorithm: > > (defn change-state [cur-state] >   (when (> (:value cur-state) 10) >      (assoc cur-state :message "danger, danger"))) > > How I'd have to write it when using an agent: > > (defn change-state [cur-state] >   (cond (> (:value cur

Re: ANN: try clojure

Having a web-based zero-deployment-effort REPL is pretty nifty, especially for newcomers. Thanks Rayne/Heinz/etc.! Already found a small bug: HTML entities are apparently quoted twice and appear in the output. Clojure> "blah" "blah" Clojure> filter #

Re: Clojure Added to "Casting SPELs" Site

Hi Conrad, thanks for putting this tutorial up. "Casting SPELs" was actually one of the documents that inspired me to start learning Lisp, so I'm happy to see it may help others get started with Clojure. Adding to the corrections: The Addendum (page 8) seems to have remained CL-centric (defparame

Re: Prefixed or suffixed symbols?

Hello Joshua, I don't think there is an official standard in Clojure, at least not yet. For a source of inspiration, you may be interested in this thread, in case you haven't found it yourself yet: http://groups.google.com/group/clojure-dev/browse_thread/thread/d090b5599909497c Personally, I pre

Re: Question about how I got run?

On Feb 16, 2:12 am, Mike Meyer wrote: > Wouldn't be hard to do, either. Just bind *script-name* (or some such) > to the path in script-opt, and let the client decide if it's the same > as *file*. It would indeed be helpful if clojure.main bound a Var to the name of the .clj file being run, sort o

Re: Multimethods vs. cond?

On Feb 11, 4:04 pm, Bryce wrote: > I'm wondering what the rationale is for using multimethods vs. cond, > and where it's best to use either?  Multimethods seem to be very > seldom used, usually to dispatch on type, but I can see advantages to > using data to dynamically define only the methods you

Re: Detecting Number of Available CPU Threads

On Feb 9, 2:37 am, Wardrop wrote: > That seems like what I'm after, thanks. I assume this would be pretty > reliable across all platforms running the JVM. In .NET, on the other hand, this value is stored in System.Environment.ProcessorCount. Perhaps it would be worthwhile to make oft-requested in

Re: Run expression, with particular functions replaced

On Feb 4, 8:11 pm, Bryce wrote: > I take your point; I've given up trying to actually define a function > with the expression for the moment (I'd imagine it's still possible, > just much trickier than I thought).  My intention was to fake operator > overloading.  For my purposes it should be enoug

Re: idiom question: infinite sequence as data source for many threads?

On Jan 30, 7:07 am, free_variation wrote: > (defn init-features [stream] > (let [feature-stream (ref stream)] > (dosync (ref-set feature-stream stream)) The call to ref-set seems redundant here since you already initialize the ref with stream as its value. -- You receive

Re: idiom question: infinite sequence as data source for many threads?

On Jan 30, 8:09 am, Timothy Pratley wrote: > Below I present 'submit-future' which is similar to the existing > 'future' call in that it spawns a thread to execute a task, but > differs in that it will block if n submitted futures are already > running, where n is the number of available processor

Re: update-in and get-in why no default?

> ([m ks not-found] > (if-let [v (reduce get m ks)] > v > not-found))) If I understand this arity version of get-in correctly, won't the default also be used if the value stored in the nested data structure evaluates to something false-y? Anyway, thanks for creating the patches! -- Y

Re: Using map on multiple collections.

On Dec 23, 6:04 am, Nicolas Buduroi wrote: > Hi, today I needed to use the map function on multiple collections > which didn't had all the same length. In this case, it returns a > sequence of the size of smallest one. But the problem I was facing was > required to map until the end of the longest

Re: :pre and :post throwing Exception - is this a smell?

On Dec 24, 7:08 am, Mike Douglas wrote: > Previously: > "Caused by: java.lang.Exception: Assert failed: (= % x)" With your patch, assert does not include x in its message anymore in case s is not given. Also, as a non-native speaker I find the phrase "failed when" somewhat strange to my ears. Asi

Re: Clojure newbie question regarding compile time type checking.

On Dec 13, 5:24 am, ajay gopalakrishnan wrote: > It tried the following in REPL and got no error. Personally, I feel that I > should get an error because calling square on strings is wrong in both > cases. > > Is there a way out of this in Clojure? I hope you don't mind me bumping this old thread

Re: 1.1 changes.txt typo

On Dec 18, 3:03 pm, David Thomas Hume wrote: > From the 1.1 release notes: > > "Futures represent asynchronous computations. They are away to get > code to run in another thread, and obtain the result." > > I know "away" is just a typo for "a way", but be damned if that isn't > the best pun I've s

Re: Parenthesis Inference

On Dec 18, 8:07 pm, Martin Coxall wrote: > I had this thought at work, when I should have been working, so please bear > with me if it's nonsense. > > One of the things that always puts people off of Lisp, as we all know, are > the parentheses. Now, many ways have been suggested of doing this in

Re: Fine-grained locals clearing

On Dec 10, 3:10 pm, Rich Hickey wrote: > I'm happy to announce I have implemented this fine-grained locals > clearing in the compiler, in the 'new' branch. Is there a chance for this feature to find its way into master before Clojure 1.1 is released? -- You received this message because you are

Re: roll call of production use?

On Dec 1, 5:20 pm, Luc Préfontaine wrote: > http://www.infoq.com/news/2009/01/clojure_production Slightly off-topic: What prompted you to choose ActiveMQ over other popular message bus systems like RabbitMQ? Was it the ease of operability with Clojure/ Java, or are there other strong factors? -

Minor inconsistency in 'some docstring

(doc some) says: "... this will return true if :fred is in the sequence, otherwise nil: (some #{:fred} coll)" However, some returns the matching value instead: => (some #{:fred} [:foo :fred :ethel]) :fred Attached patch fixes the docstring. (Not that applying the patch would be any easier than

Re: ClojureCLR: out parameters

On Nov 2, 4:07 pm, Miron Brezuleanu wrote: > On Mon, Nov 2, 2009 at 4:30 PM, dmiller wrote: > > For ref & out parameters, the problem is that let bindings and fn > > parameters are not variables.  You can't change the values they are > > bound to.  ref and out change the values bound to the vari

Re: Generalizing -> & ->>

On Oct 29, 9:35 pm, "AndrewC." wrote: > Here's a macro that generalizes the two 'threading' macros -> and ->>. There have been multiple discussions on this group where similar operators have been proposed, with some implementations very closely matching this one. If the demand is so high, maybe

Re: college courses

On Oct 19, 5:03 pm, artg wrote: > I'm using Programming Clojure in a grad course and doing a short > Clojure unit in a senior programming languages course at Calif State > Univ Long Beach. Art, what kind of pre-existing knowledge do you expect or require in your students? In your experience, do

Re: Is there a standard function transforming a map's vals

On Oct 11, 6:02 am, samppi wrote: > Oops, you're right; I was thinking about something else. And I have > another mistake in my function too—I meant: > > (defn transform-map [f a-map] > (into {} (map #(vector (key %) (f (val %))) a-map))) > > It's unfortunate that it's not in any standard l

Re: Getting REPL transcript

On Sep 23, 6:20 pm, Emeka wrote: > Hello All, > > I would like to have a transcript of Repl. Could someone help me out here? > > Regards, > Emeka If you use rlwrap, you can give it the --log-file (-l) argument: $ rlwrap -l repl.log java -cp ... --~--~-~--~~~---~--~--

Re: "Schema" for data structures

On Sep 24, 10:14 am, Miron Brezuleanu wrote: > about). The degree of typing can be varied (i.e. a person is any map > with a :name key, or any map with only a :name key, or any map with a > :name key which is nil or string etc.) You may be interested in Konrad Hinsen's (algebraic) data type supp

Re: frameworks

On Sep 18, 2:08 pm, demet8 wrote: > Im new to Clojure. Are there any development frameworks for clojure > worth noting yet? There is quite a range of frameworks available already, covering topics such as web development, database persistence, MapReduce and computer algebra. Try browsing the Cloj

Re: Uncle Bob looking for clojure help!

David, could you please post a version of your solution[1] annotated with some comments on where you used which kind of optimization, and why? Your code looks very clean to me, and with some additional explanations I think this could become a good example on how to optimize computation-heavy Cloj

Re: a better reductions?

On Aug 7, 8:40 pm, Vagif Verdi wrote: > I'd suggest to include into library for teaching purposes variants of > unoptimized functions with a suffix -naive. Say reduction-naive. > This way you could have both beautiful algorithm for teaching > purposes, and optimized function for practical purpose