Re: Trouble with advanced macros

No, I still don't get it. Why wouldn't this work? (def config1 {:key (fn [] (str "do something horrible complicated here" (:blah state) (:key other-state) (:something evenmorestate)))}) ;; To invoke: ((:key config1)) -- You received this message because you are subscribed to the Google Group

Re: Trouble with advanced macros

Honestly, it looks to me that you are concocting something overly complicated. Are you sure that a combination of anonymous functions and dynamic variables won't suffice? Can you, in broad strokes, describe what you want to achieve? On Sat, Mar 30, 2019, 18:31 Nathan Rogers wrote: > (def dict >

Re: regex in edn?

Not adding much to what you've already said, but a custom reader tag is exactly what I would reach out for in this situation. -- 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 Note that post

Re: Trouble with advanced macros

Looks like you are missing a few unquotes. Is this what you expected? (def dict {:key `(str "obj isn't defined in this scope" (:blah ~'obj))}) (defmacro my-macro [my-obj & args] `(let [~'obj ~my-obj] (print ~(:key dict) ~@args))) (my-macro {:blah "thingy"} "test string") ;; obj isn't de

Re: avoiding casts with aget & friends

The "easiest" way to obtain JIT-produced native code without having to sift through mountains of it is to use JMH[1] in -perfasm mode[2]. Here's an article on how to use JMH from Clojure[3]. However, if you start to spend so much time optimizing primitive operations in Clojure (and this really,

Re: [ANN] Clojure 1.10.0-RC2

We moved from 1.9 to 1.10-RC2 (OpenJDK8) on one of our production services. Steady flight so far, thanks! On Tuesday, November 27, 2018 at 2:00:25 AM UTC+2, Alex Miller wrote: > > 1.10.0-RC2 is now available. > > You can try it with clj using: > > clj -Sdeps '{:deps {org.clojure/clojure {:mvn/ver

Re: Prototype code for enhanced CIDER code completion for Java methods

To anyone who's interested in having precise completion for Java classes – a feature like this is available in the latest CIDER snapshot: https://twitter.com/unlog1c/status/1066748173094453248. You can get a filtered completion by prepending a type tag to the next symbol. On Friday, October 12,

Re: [ANN] Clojure 1.10.0-beta8

Absolutely not trying to propel this discussion forward, but *ackchyually *even with the given semantics ("async-require should be used in asynchronous code"), the better word would be "concurrent" or "multithreaded". But I certainly didn't intend this thread to unwind so much and take away thi

Re: [ANN] Clojure 1.10.0-beta8

Could I suggest bikeshedding on the name async-require? Before I've seen the patch, my initial impression was that it loads namespaces asynchronously (that is, returns control immediately and loads them in the background). It might be somewhat confusing that a function async-require is actually

Re: [ANN] 1.10.0-beta6

Could you please give a brief rationale for why metadata-polymorphism is now opt-in? I'm wondering what kind of the undesired behavior this is meant to prevent. On Friday, November 16, 2018 at 10:04:00 PM UTC+2, Alex Miller wrote: > > 1.10.0-beta6 is now available. > > You can try it with clj us

Re: [ANN] speculative - the missing specs

Nice work, Erik! I have an immediate comment. It seems like your README example is inconsistent with the code. The README says that `(map 'lol 'lol)` fails because 'lol is not a fn?. But fn? is a very strict predicate that doesn't cover maps, keywords, etc. I've looked into the code and you use

Re: Problem disposing java objects

I suspect the problem is with map which is lazy. If you discard the result of the top-level expression it might not be fully completed or not even run at all. To force a lazy collection (thus, triggering the side effects you desire) you could do the following things: (mapv close pages)

Re: Is the vector a sequence?

You might also want to check this: http://bytopia.org/2016/03/08/what-is-a-list/ On Friday, April 20, 2018 at 6:33:02 PM UTC+3, ru wrote: > > Hi, > > user=> (seq? [1 2 3 4 5]) > > false > > user=> > > > Sincerely, > > Ru > -- You received this message because you are subscribed to the Google

Re: [ANN] clj-memory meter – measure the memory used by arbitrary objects

; :) > > keskiviikko 7. maaliskuuta 2018 18.13.23 UTC+2 Alexander Yakushev > kirjoitti: >> >> Looks like it's because of JDK9. I created a Github issue, let's take it >> there: https://github.com/clojure-goes-fast/clj-memory-meter/issues/1 >> >> On W

Re: [ANN] clj-memory meter – measure the memory used by arbitrary objects

Looks like it's because of JDK9. I created a Github issue, let's take it there: https://github.com/clojure-goes-fast/clj-memory-meter/issues/1 On Wednesday, March 7, 2018 at 5:49:07 PM UTC+2, 路Ricardo M. wrote: > > Java Version: > java version "9.0.4" > Java(TM) SE Runtime Environment (build 9.0.

Re: [ANN] clj-memory meter – measure the memory used by arbitrary objects

user=> (count nn) 25000 user=> (mm/measure nn) "940.3 KB" ;; Still shared though! user=>(mm/measure [mm nn]) "1.8 MB" -- 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 Note that posts from

[ANN] clj-memory meter – measure the memory used by arbitrary objects

I'm happy to release the first version of clj-memory-meter . It's a thin wrapper around jamm which allows measuring how much space an arbitrary object occupies. clj-memory-meter is usable from the REPL, can

Re: Why does the `def-` not exist?

o def-? > > IME the statistic strongly supports def- - and I don't see why it would > hurt. > Having def- in clojure.core will not magically result in having defmacro- > and defmulti- and xyz-. Its a false and the only counterargument I have > seen. > > It would b

Re: Why does the `def-` not exist?

Usually, it is better to use metadata rather than create an exponential explosion of names. Public/private is just one dimension, but you also have static/non-static, dynamic/non-dynamic, etc. Then you have functions, vars, macros, perhaps modified functions (like schema.core/defn). Cartesian p

Re: Amazonica s3

Hello Rohit, We use Amazonica to read files from a bucket encrypted with Server-Side Encryption (SSE). The way to do it depends on the way the files were encrypted. If the KMS key was "associated" with the encrypted file (not sure if I'm using the correct terminology, I'm no AWS expert) and th

[ANN] clj-java-decompiler - decompile any Clojure form into Java in the REPL

I'm happy to release clj-java-decompiler[1] today, a wrapper around Procyon[2] Java decompiler. With it, you can cut the feedback loop of writing a file, AOT-compiling it, and then running the classes through a decompiler to a single call in the REPL. user> (clj-java-decompiler.core/decompile

Clojure's long startup time analysis

People often ask why Clojure is so slow to boot up. In this blog post, I analyze the profile pictures of different ways to start Clojure — raw, with Leiningen, and with Boot. Enjoy! http://clojure-goes-fast.com/blog/clojures-slow-start/ -- You received this message because you are subscribed t

Re: [ANN] clj-async-profiler — embeddable profiler with flame graphs, based on Java's async-profiler

On Monday, December 11, 2017 at 4:42:23 PM UTC+2, Alexander Yakushev wrote: > > I've just released a wrapper around > https://github.com/jvm-profiling-tools/async-profiler that allows > controlling the profiler directly from the REPL of the program you want to > profile. Th

[ANN] clj-async-profiler — embeddable profiler with flame graphs, based on Java's async-profiler

I've just released a wrapper around https://github.com/jvm-profiling-tools/async-profiler that allows controlling the profiler directly from the REPL of the program you want to profile. The JAR file ships the profiling agent and the flamegraph generation script from https://github.com/brendangr

Re: What to read after 3 dozen "introduction to transducers" blog posts

This was beautiful. I was held in suspense through the whole story, and I cried in the end. But I must tell you that such sacrifices to data gods are justified, so I will keep reifying and transducing until the very last drop of bytes leaks from the oblatory value. On Wednesday, May 10, 2017 at

Re: [clojure-android] ANN: turboshrimp 2.0.2, for control of Parrot AR.Drone

This is amazing! Thanks for sharing, John! I must myself get a drone now:) On Mon, Apr 18, 2016, 01:33 John Wiseman wrote: > I've released a new version of turboshrimp, my library to control the > Parrot AR.Drone. > > https://github.com/wiseman/turboshrimp > > Version 2.0.2 includes the followin

[bug] Reflector can't resolve a method in a non-public generic-typed abstact class

Reproducible minimal example here: https://github.com/alexander-yakushev/generics-reflection-bug . Clone it and do `lein run`. The example is small enough to paste it here. So we have a class called AbstractStorage: abstract class AbstractStorage { T thingToStore; public

Re: How to make a static variable dynamic at runtime?

Hello Yuri, You probably need something like with-redefs[1] to do mocking. Setting a var to dynamic at runtime will have impact only on code that was *compiled* after doing that. See the excerpt from Daniel's talk about this behavior[2]. [1] http://conj.io/store/v1/org.clojure/clojure/1.7.0/c

Re: How to make a static variable dynamic at runtime?

Sorry, didn't link to the exact time. The correct link is: https://youtu.be/8NUI07y1SlQ?t=217 -- 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 Note that posts from new members are moderated

Re: [ANN] Clojure 1.7.0-alpha6 released

Awesome, thanks for the help and the clarification! On Monday, April 6, 2015 at 1:59:21 AM UTC+3, Alex Miller wrote: > > Yes, each platform defines their own platform feature so it wouldn't be > too hard to change the specified platform in the fork. However the key here > is that the conditional

Re: [ANN] Clojure 1.7.0-alpha6 released

On the other hand, Clojure-Android runtime is largely similar to regular Clojure except for some small differences; so in order to use feature expressions there effectively it might make sense to wait until broader capabilities (feature combinations, feature inheritance etc.) is introduced. --

Re: [ANN] Clojure 1.7.0-alpha6 released

to "add" an android feature? I'll plead > ignorance in not knowing how the Clojure > Android stuff works or where a feature indicating Android could be set > without support for custom features. Do you currently fork to support > Android? > > > > On Apr 5, 2015,

Re: [ANN] Clojure 1.7.0-alpha6 released

Hello Alex, As I've understood from the dev.clojure.org page, additional features and feature combinations will become available later. Can we please get :clj/android (or :clja) still in 1.7? If so, what has to be done by me or Daniel to make it happen? Thanks! On Tuesday, March 31, 2015 at 7

[ANN] defprecated 0.1.0 - deprecation made easy

https://github.com/alexander-yakushev/defprecated Regards, Alex Yakushev -- 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 Note that posts from new members are moderated - please be pa

Re: [ANN] Skummet alpha-1 released

testing it with ART yet, or just Dalvik? Great > work. > > Zach > > On Tuesday, August 12, 2014 10:18:23 AM UTC-4, Alexander Yakushev wrote: >> >> So I am finally comfortable for showing Project Skummet to the general >> public. >> Skummet is a experimental C

[ANN] Skummet alpha-1 released

t; to create an uberjar that can then be used regularly. There is a sample project that already has all necessary configuration for Skummet: https://github.com/alexander-yakushev/leantest. I'd be really grateful if you tried this project and shared your experiences (specifically disappointing one

Re: how can I print the function name as parameter?

You need to pass not the function itself, but its Var. Because Vars are the ones that hold metadata. (show #'elementary/nothing-but-the-truth true) On Friday, May 2, 2014 4:28:49 AM UTC+2, Erlis Vidal wrote: > > Hi guys, > > I want to write a function (show) that will receive a function as > p

Re: [ANN] Show the latest version of the library on your Github README page

ke the text highlightable/copyable? > > On Tuesday, October 8, 2013 6:25:07 AM UTC-7, Alexander Yakushev wrote: >> >> Have you ever felt annoyed to update the README after you released a new >> version of your project? Have your users ever struggled to make the older >>

[ANN] Show the latest version of the library on your Github README page

Have you ever felt annoyed to update the README after you released a new version of your project? Have your users ever struggled to make the older version work because you forgot to update that README? Suffer no more, because Clojars has just the right medicine for you. >From now on, you can ap

GSoC report: Extend Neko library for Android

, Alex Yakushev [1] https://github.com/clojure-android/lein-droid [2] https://github.com/alexander-yakushev/neko [3] https://github.com/alexander-yakushev/compliment/ [4] https://github.com/alexander-yakushev/ac-nrepl-compliment [5] http://www.youtube.com/watch?v=sqI-iUmxJS0 -- -- You received this

[ANN] Compliment - a completion library you deserve

Dear community, I've just released the initial version of my clojure-complete fork, Compliment. I decided to move it into a separate project after I rewrote most of it. Here is project's link: https://github.com/alexander-yakushev/compliment . There is a rationale in README, where

Re: [ANN] Nightcode, an IDE for Clojure and Java

This initial version looks very mature already! I wonder what will become of it by the time of the release. Great job, Zach! Eagerly waiting to see Nightcode's future. On Friday, August 2, 2013 4:03:03 PM UTC+3, Zach Oakes wrote: > > I’ve been working on a simple IDE for the past few months. It

Re: Can't get namespace metadata

I just > updated. > > [CLJ-130]: http://dev.clojure.org/jira/browse/CLJ-130 > > -S > > > > > On Saturday, July 20, 2013 8:50:18 AM UTC-4, Alexander Yakushev wrote: >> >> Example: >> >> user=> (meta (find-ns 'clojure.set)) >&g

Can't get namespace metadata

Example: user=> (meta (find-ns 'clojure.set)) nil user=> (meta (find-ns 'clojure.string)) nil user=> (meta (find-ns 'clojure.core)) {:doc "Fundamental library of the Clojure language"} clojure.core is the only namespace that has metadata. Apparently because it has metadata set differently https

Re: --> macro proposal

solve. They were primarily added to eliminate: > > (let [x ... > x ... > x ...] >...) > > Which is pretty ugly and also it's pretty easy to get into trouble. > > David > > > On Wed, Jul 17, 2013 at 12:49 PM, Alexander Yakushev > wrote: > >

Re: --> macro proposal

is, and was rejected by Rich and company. Have anything changed in Clojure since then, that arguments against as-> are no longer valid? On Wednesday, July 17, 2013 7:55:37 PM UTC+3, Nelson Morris wrote: > > Note the original discussion was from 2010. > > > On Wed, Jul 17, 2013 at

Re: --> macro proposal

What a twist. Does any of the participants care to comment on this one? A hundred posts of bashing a person from the position of authority while the macro in question already sits in Core. I am against the usage of it myself, and closely followed previous discussions on this topic to understand

Re: ANN: Clojure/dev Google Summer of Code 2012 Proposals Selected!

ents, their proposals have been > accepted for Clojure/dev's Google Summer of Code 2012! > > Jon Rose > - Lightweight Clojure editor > Raphael Amiard > - Pluggable backend infrastructure for ClojureScript > Alexander Yakushev > - Toolchain for dynamic Clojure developmen

Re: Alternate set literal syntax?

Your point is clear and valid but isn't it a bit harsh to write the response in a tone like this? After all we are asking and answering questions here, it's not like something is going to change after one request. BTW it is nice to hear Clojure being reliable enough in people's eyes to be used

Re: Google Summer of Code 2012 - any mentors?

Great job answering the application questions, David! I was just wondering if Steve Yegge could vouch for Clojure since I remember him being very excited about the language, so maybe he might say a nice word for Clojure participation... -- You received this message because you are subscribed t

Re: Google Summer of Code 2012 - any mentors?

I hate to be boring but if the application has not been filed yet then now is the best time to do it. Only five days left, and it is good to have some spare time to correct the mistakes, you know:). -- You received this message because you are subscribed to the Google Groups "Clojure" group. To

Re: Google Summer of Code 2012 - any mentors?

Here's one more idea but I'm not quite sure how to implement it so if anyone can confirm that it is doable then it would be nice to have this idea on the GSoC list. Clojure already has a set of benchmarks to test its performance but the data is not so easy to get for an common Clojure user (you

Re: Google Summer of Code 2012 - any mentors?

Can someone confirm that Clojure/core has already sent an application GSoC participation? I am just wondering if core is already interested in this kind of event or the initiative currently comes only from mentors. -- You received this message because you are subscribed to the Google Groups "Cl

Re: Google Summer of Code 2012 - any mentors?

On Feb 28, 12:59 am, Cedric Greevey wrote: > ... Ok, I got the idea now and I for sure understand your frustration with Emacs. Emacs is definitely not for the weak of spirit (it's not a pun in any way, I just compare your words to my own beginner's experiences) requiring you to learn, google and

Re: Google Summer of Code 2012 - any mentors?

On Feb 27, 10:00 pm, Cedric Greevey wrote: > The emacs learning curve is more like a vertical cliff face than a > ladder with lots of small steps... I still don't get the point you are trying to bring. Is it "You can't be productive with Emacs"? If so then you are wrong and because Clojure develo

Re: Google Summer of Code 2012 - any mentors?

On Feb 27, 9:13 pm, Cedric Greevey wrote: > > Whoa, hold your horses. Aren't "Decent" and "Emacs-based" mutually-exclusive? No, they are not. > "Novice-friendly" and "Emacs-based" definitely are. Well, if we are considering a novice in software development then you are probably right. I was par

Re: Google Summer of Code 2012 - any mentors?

I post the following proposal here because I'm not sure I've done it right. It would be interesting for me and may be for someone else. Decent Emacs-based Clojure IDE Brief explanation: Clojure has a critical need for a good novice-friendly IDE. Counterclockwise certainly has its advantages but E

Re: Google Summer of Code 2012 - any mentors?

So the application submiting procedure for organizations starts tomorrow but sadly there isn't any word about it at least on Confluence. There are willing mentors on the clojure-dev list and ideas to submit but as far as I understood from the GSOC site an organization must apply to host all these p

Google Summer of Code 2012 - any mentors?

Hello, I am wondering if there is there anybody willing to take part in this year's GSoC as a mentor? I would be happy to contribute this summer's time to hacking Clojure and there are probably more students that would. Best regards, Alexander -- You received this message because you are subscr

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

On Jul 30, 6:02 pm, daly wrote: > While it is fine to say "get involved in head-punching" I think > it is important to realize that it is Rich's head being punched. Seems like I was unclear in my statement. I'll try to do it again. At any point of a lifetime of a computer language there are peo

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

The moment I saw the previous controversial topic - about "yes language" push - I realized that Clojure has become mature. When the people who do not agree with some choices appear not just outside but in the community itself - it means that the language matters to them despite the parts they don't

Deflayout - define Swing UI declaratively

>(deflayout frame >{:west gamepanel >:east (deflayout sidepanel >[nextpanel (JButton. "Exit")] :flow :trailing)) Actually I thought about something like that, but then I decided to come up with something at least a bit uniform. -- You received this message because you are subscribed to the Goo

Deflayout - define Swing UI declaratively

. But often you don't need that complex layout, any simpler layout will do. So I spent an evening writing this https://github.com/alexander-yakushev/deflayout . Currently only BorderLayout and FlowLayout are supported, but layouts can be added easily. I wanted somebody to look at the code and giv

a tour of Clojure (network analysis of Clojure projects)

Great work! Very informative indeed. Especially thank you for sharing with Overtone, tremendously interesting project and presentation. -- 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 Note

How to disallow unlisted optional argument keys?

> Where is this documented? I couldn't find the documentation for it. I learned about them in Full Disclojure screencasts by Sean Devlin. -- 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

Re: How to disallow unlisted optional argument keys?

Why not use a constraint? It looks much cleaner. (defn hello [& {:keys [a b] :as input}] {:pre [(= (set (keys input)) #{:a :b})]} "hello") You can learn more about constraints here: http://vimeo.com/channels/fulldisclojure#8399758 -- You received this message because you are

Re: Implementing multimethods in pure Clojure

On Dec 12, 12:36 am, Ken Wesson wrote: > > You can "change" the metadata on the object held by the atom (if that > object supports metadata) via (swap! a with-meta ...). > > One thing a bit annoying is if you want to alter the metadata in an > incremental way. To do that atomically requires a cl

Re: Implementing multimethods in pure Clojure

On Dec 12, 12:24 am, Meikel Brandmeyer wrote: > > I'm a bit confused. It just looks like a normal function call. > > (my-defmulti foo type) > > (my-defmethod foo String [x] (str "A String: " x)) > > (foo "Hello, World!") > > So it just looks like an ordinary function. Extracting the multi-call

Re: Implementing multimethods in pure Clojure

On Dec 11, 6:56 pm, Meikel Brandmeyer wrote: > Hi, > > I suppose you are Unlogic from IRC. I don't whether you saw it, but I posted > some rough sketch:http://paste.pocoo.org/show/303462/ > > It just introduces the function binding, no other global objects are > introduced. The methods are store

Re: Implementing multimethods in pure Clojure

On Dec 11, 5:37 pm, Ken Wesson wrote: > On Sat, Dec 11, 2010 at 3:32 AM, Alexander Yakushev > > Making the thing work with (name args ...) is not too too difficult. > You'd have to have defmethod output both a def of an atom like above, > but with a gensym for a name,

Implementing multimethods in pure Clojure

I am currently giving some lectures about Clojure to a group of students. One of the Lisp features I promote to them is the ability to write language in the language itself. So during the lecture when I talked about multimethods one student asked if one could write own multimethods implementation i