Re: [ANN] Ring Jetty servlet adapter

I was just about to start figuring out how to do this, for pretty much exactly the same reason (the Hystrix metrics stream). Thanks for this, I'm looking forward to trying it out. On Thu, Nov 16, 2017 at 5:23 AM Jiacai Liu wrote: > Fork of official jetty adapter >

[ANN] Honeysql mailing list and slack channel

I'm opening a Google group and Slack channel for discussion of Honeysql, the Clojure DSL for generating SQL. We have some issues that are likely to result in breaking changes, and I'd like to get more input on that than I'd be likely to get in a PR/Issue discussion. Maling list:

Re: Clojure android activity?

My impression is that if you want to write Clojure on Android in 2017 you use React Native and write ClojureScript. Re-natal is a good starting point On Fri, Jun 23, 2017, 3:57 PM Mike Meyer wrote: > Is there still any activity in the clojure-android space? The > clojure-android

Re: Order preservation and duplicate removal policy in `distinct`

Also, I'm assuming distinct uses .equals semantics which might be worth calling out in the doc On Wed, Dec 28, 2016, 11:22 AM Mike Rodriguez wrote: > The doc for `distinct` is: > "Returns a lazy sequence of the elements of coll with duplicates removed. > Returns a stateful

Re: Changing value of atom vector using swap

It doesn't look like data is actually an atom? Maybe that's just an error in your e-mail... On Tue, Dec 20, 2016 at 8:24 AM Ghadi Shayban wrote: > swap! takes as its arguments the atom and the function to transition the > state inside the atom. It implicitly calls the

Re: Lym - written by clojurescript and react native is on apple store

hallenges to get both platforms work. > > On Wed, Sep 14, 2016 at 3:02 PM Michael Blume <blume.m...@gmail.com> > wrote: > >> I see an Android app in the tree, is it working too? is it using the same >> cljs codebase were there any challenges getting both platforms to work?

Re: Lym - written by clojurescript and react native is on apple store

I see an Android app in the tree, is it working too? is it using the same cljs codebase were there any challenges getting both platforms to work? On Tue, Sep 13, 2016 at 10:24 PM Tienson Qin wrote: > Just release that, > https://github.com/tiensonqin/lymchat > > > On

Re: Cross platform date/time libarary

Within your library you could probably use cljc to import one or the other, though. On Mon, Apr 4, 2016 at 9:04 AM Sean Corfield wrote: > On 4/3/16, 11:41 PM, "JvJ" kfjwhee...@gmail.com> wrote: > > OK. As long as a single import in a

Re: [ANN] Clojure 1.8.0-RC3

No issues here. On Tue, Dec 8, 2015 at 5:39 PM James Elliott wrote: > I’ve been working with it for a few days and have seen no issues yet. > > > On Wednesday, December 2, 2015 at 10:03:31 AM UTC-6, Alex Miller wrote: > >> Clojure 1.8.0-RC3 is now available. *This build is

Re: best practice with forked libraries

If you have an internal maven repo, you can publish artifacts to it with updated version string and with group/artifact unchanged. On Wed, Nov 18, 2015 at 7:19 AM Herwig Hochleitner wrote: > 2015-11-18 15:48 GMT+01:00 Max Gonzih : > >> I think lein deps

Re: Locking non-local variable inside macro

The problem here is that you are splicing in obj when there is no need to. You actually want your generated code to refer to obj. So just (defmacro mac1 [& body] `(locking obj ~@body)) is fine. dennis' solution will work too, but it will work almost accidentally? All blank maps evaluate to the

Re: [ANN] Clojure 1.8.0-RC1 is now available

Sorry, I'm confused now -- is the appropriate place to give a return type hint for a function the arg list and not the function name? I've always seen the function name hinted. On Thu, Nov 12, 2015 at 11:20 AM Nicola Mometto wrote: > Also just like the CLJ-1846 issue, this

Re: how to speedup lein uberjar?

I think Matching Socks has definitely got the right answer -- anything that prevents your code from being AOT-compiled is going to give you a huge speedup. On Sun, Nov 1, 2015 at 10:11 PM Sunil S Nandihalli < sunil.nandiha...@gmail.com> wrote: > Hi Asim, > I needed to run lein uberjar to submit

Re: Calling object members with symbols

Nope, still won't work. (let [s 'toString] (invoke 1 s)) java.lang.IllegalArgumentException: No matching field found: s for class java.lang.Long On Sun, Oct 18, 2015 at 5:51 PM dennis zhuang wrote: > You may have to use macro: > > user=> (defmacro invoke [obj sym] `(.

Re: [ANN] Yesql 0.5.1 Released.

The simple answer is https://clojure.github.io/clojure/javadoc/clojure/java/api/package-summary.html But since Yesql works by producing Clojure vars in a namespace, doing *everything* from Java sounds painful -- you'd probably want to sneak in like one Clojure file with a bunch of defquery

Re: 4clojure count problem

Reduce can take either two or three arguments; when it takes two arguments, it makes some assumptions about the argument that was left out. You're using reduce with two arguments, so you might want to rethink those assumptions. On Sat, Oct 3, 2015 at 2:19 PM Roelof Wobben

Re: macro help

#foo gensyms don't survive across a 'break' in quoting you can do `(let [foo# bar] (other stuff (foo# ...))) but you can not do `(let [foo# bar] ~(for [i s] `(foo# ...))) or anything like that. The workaround is to create a gensym explicitly using (gensym), let that, and

Re: Question about equality in HashMaps

I wonder why instaREPL prints a as {"a" 3, "r" 1, "u" 1} On Fri, Sep 11, 2015 at 3:42 PM Alex Miller wrote: > a uses characters (\a \b \c) > b uses strings ("a" "b" "c") > > Those are not equal... > > Try: > (def b {\a 3 \r 1 \u 1}) > > > On Friday, September 11, 2015 at

Re: Filter predicates and side-effects

Don't call filter for side effects, don't rely on when side effects will or will not happen, but yeah, your filter predicate can have side effects. On Wed, Sep 2, 2015 at 9:13 AM James Elliott wrote: > Indeed, that would make sense for filter, but since filterv immediately >

Re: Best Practice on loading namespaces

This is component, all of it: https://github.com/stuartsierra/component/blob/master/src/com/stuartsierra/component.clj -- that's well below the size threshold where I'm comfortable saying if someone else is maintaining it, that's one less thing for me to do; if they ever stop, this'll become part

Re: [ANN] Clojure 1.8.0-alpha2

(It looks like you're depending on Potemkin through clj-http, so upgrading to clj-http 2.0.0 will also solve the problem) On Sun, Jul 19, 2015 at 4:53 PM Michael Blume blume.m...@gmail.com wrote: Looks like it has, pinning to Potemkin 0.4.1 should probably sort you out On Sun, Jul 19, 2015

Re: [ANN] Clojure 1.8.0-alpha2

Sean, I think that was identified as a bug in Potemkin. The pull was merged but I'm not sure if there's been a release since. Zack? https://github.com/ztellman/potemkin/pull/40

Re: [ANN] Clojure 1.8.0-alpha2

Looks like it has, pinning to Potemkin 0.4.1 should probably sort you out On Sun, Jul 19, 2015 at 4:50 PM Michael Blume blume.m...@gmail.com wrote: Sean, I think that was identified as a bug in Potemkin. The pull was merged but I'm not sure if there's been a release since. Zack? https

Re: How do I expand a variable that I pass to a macro?

First of all, I'm pretty sure compojure will let you do the thing, because it's less macro-heavy than what you're using. But to answer the general question, this is a fundamental problem with macros. Once you're making heavy use of macros you start having to write more macros in order to compose

Re: core.async status?

Looking through the tickets at http://dev.clojure.org/jira/browse/ASYNC might give you a better idea of what's planned. On Sat, Jul 4, 2015 at 8:52 PM Martin Raison martinrai...@gmail.com wrote: thanks! Le samedi 4 juillet 2015 20:38:22 UTC-7, Alex Miller a écrit : Oh just busy. We will get

Re: let vs. let*

Basically you the user should not worry about the starred versions On Thu, Jun 18, 2015 at 1:40 PM Johannes bra...@nordakademie.de wrote: thanks Am Donnerstag, 18. Juni 2015 22:35:53 UTC+2 schrieb raould: http://lmgtfy.com/?q=clojure+%22let+vs.+let*%22 -- You received this message

[ANN] honeysql now available from Clojurescript

Using reader conditionals, I've put up an experimental branch of honeysql which seems to work just fine from both Clojure and Clojurescript. If you need to generate SQL from your Node service, please try it out. https://github.com/michaelblume/honeysql/tree/rcond Will update soon with my

Re: JDK8

Not quite sure what you're asking -- I think Clojure itself is intended to be fully supported on JDK 8, and I regularly build it/build my projects with JDK 8 (though I think I'm using the Oracle version) On Thu, May 7, 2015 at 1:25 PM Pierre-Yves Ritschard p...@spootnik.org wrote: Hi, There

Are keys and vals guaranteed to return in the same order?

In other people's Clojure code I sometimes see things like (zipmap (map some-fn (keys m)) (map other-fn (vals m))) If it were my code I'd be much more inclined to write (into {} (for [[k v] m] [(some-fn k) (other-fn v)])) Is this a to-each-their-own thing or is the latter preferred?

Re: Generating .clj files with content

What James said -- if you want the results to be human readable, if you want control of how it's formatted, if you want to be able to comment it, if you want people to use it as a starting point for code they're going to write, then check out the punctions in

Re: Has anyone seen this error while running lein-cloverage?

Yes. Cloverage needs to merge https://github.com/lshift/cloverage/pull/59 -- in the meantime, you can add https://github.com/MichaelBlume/cloverage-compojure-fix to your project and it will route around the problem. On Tue, Apr 7, 2015 at 11:27 AM Jonathon McKitrick jmckitr...@gmail.com wrote:

Re: Newbie question about filtrering defrecord

your list doesn't contain the records, your list contains the symbols 'a1 and 'a2. You can't make a list the way you're trying to. On Sat, Apr 4, 2015 at 5:14 PM Luc Préfontaine lprefonta...@softaddicts.ca wrote: You mean the a1 record no ? Hi! I'm new to clojure, and have problem

Re: [ANN] Clojure 1.7.0-alpha6 released

I've proposed a patch to instaparse to fix this, I realize it's not the most elegant version check ever, but it should fix the problem https://github.com/Engelberg/instaparse/pull/94 On Tue, Mar 31, 2015 at 3:21 PM Sean Corfield s...@corfield.org wrote: Looks like a great set of updates!

Re: Clojure Culture Question on TDD

It is rare to see an open source clojure project without tests. Clojure itself is pretty thoroughly tested, as is leiningen. I don't know about test-first. I think it's actually more common to see REPL-first -- build something through exploration in the REPL and then turn whatever you did in the

Re: Disk based caching for Clojure app

Possibly stupid question: can you just pretend you have more memory than you do and let the operating system do the heavy lifting? On Fri, Mar 6, 2015, 10:54 AM JPatrick Davenport virmu...@gmail.com wrote: Hello, I'm been thinking about an idea for a cache layer. It's driven by two trends.

Re: Is Caribou Dormant ?

Sure looks dormant to me. My usual rule is, if you think you'd feel comfortable maintaining it yourself if it ever became necessary, use it, otherwise look elsewhere. On Wed, Feb 25, 2015 at 3:36 PM Geraldo Lopes de Souza geraldo...@gmail.com wrote: Hi, I'm checking Caribou, and wanna know if

Re: Continuously Integrating Leiningen Projects

: https://github.com/cvillecsteele/lein-git-version Which seems to follow project middleware approach you describe, but for a different use case. R. On 18 February 2015 at 06:18, Michael Blume blume.m...@gmail.com wrote: We use a Leiningen plugin to set the version dynamically https

Re: Continuously Integrating Leiningen Projects

:14, Michael Blume blume.m...@gmail.com wrote: Related -- we run lein ancient as part of a lot of our builds so that we can easily pick up dependencies with newer available versions. On Tue Feb 17 2015 at 11:13:44 AM Michael Blume blume.m...@gmail.com wrote: What we do at Climate

Re: Continuously Integrating Leiningen Projects

Related -- we run lein ancient as part of a lot of our builds so that we can easily pick up dependencies with newer available versions. On Tue Feb 17 2015 at 11:13:44 AM Michael Blume blume.m...@gmail.com wrote: What we do at Climate is avoid SNAPSHOT builds. Every build gets a version string

Re: Continuously Integrating Leiningen Projects

What we do at Climate is avoid SNAPSHOT builds. Every build gets a version string with timestamp and git commit. If an upstream library is changed, it's up to downstream maintainers to update their dependency on it. If you update a dependency and your build fails, you a) don't update your

Re: Performant string concatenation (of many, large strings)

Basically same way you profile java, I usually use jvisualvm, if you feel like shelling out for yourkit that can be nicer. On Sat Feb 14 2015 at 11:23:12 AM Ivan L ivan.laza...@gmail.com wrote: What is the best way to profile Clojure? I tried a reduce doto thing but it was way slowe than apply

Re: Performant string concatenation (of many, large strings)

For minimal change to the presented code, what about (defprotocol appendable (append-to [this ^StringBuilder sb])) (extend-protocol appendable String (append-to [this ^StringBuilder sb] (.append sb this)) clojure.lang.IFn (append-to [this ^StringBuilder sb] (this sb)) Object

Re: Performant string concatenation (of many, large strings)

er, s/(comp val)/val On Sat Feb 14 2015 at 12:17:18 AM Michael Blume blume.m...@gmail.com wrote: For minimal change to the presented code, what about (defprotocol appendable (append-to [this ^StringBuilder sb])) (extend-protocol appendable String (append-to [this ^StringBuilder sb

Re: Performant string concatenation (of many, large strings)

...Annoyingly, almost all the time for my version is spent in protocol dispatch, so there's probably a much faster way to do that. On Sat Feb 14 2015 at 12:21:11 AM Michael Blume blume.m...@gmail.com wrote: er, s/(comp val)/val On Sat Feb 14 2015 at 12:17:18 AM Michael Blume blume.m

Re: [newbie] strange behaviour in self-referential primes lazy-seq attempt

Strange, when I run your code I don't get 9 or 15 On Thu Feb 12 2015 at 11:02:00 AM Jorge Marques Pelizzoni jorge.pelizz...@gmail.com wrote: Hi, there! Please bear with me as I am very new to Closure (this is my second program ever) but have a kind of solid Haskell background. I was trying

Re: [newbie] strange behaviour in self-referential primes lazy-seq attempt

Oh, well this is fun -- with bleeding edge clojure I get the right answer, but with 1.6.0 I see the same results you did. On Thu Feb 12 2015 at 11:47:54 AM Michael Blume blume.m...@gmail.com wrote: Strange, when I run your code I don't get 9 or 15 On Thu Feb 12 2015 at 11:02:00 AM Jorge

Re: [newbie] strange behaviour in self-referential primes lazy-seq attempt

fixed. Thanks! Em quinta-feira, 12 de fevereiro de 2015 17:51:13 UTC-2, Michael Blume escreveu: Oh, well this is fun -- with bleeding edge clojure I get the right answer, but with 1.6.0 I see the same results you did. -- You received this message because you are subscribed to the Google

Re: Is this the good way to write get-percentage

I think you could replace your condp = with case, since all your mode keywords are known at compile-time, otherwise looks about right. On Tue Feb 10 2015 at 11:32:58 PM Cecil Westerhof cldwester...@gmail.com wrote: I needed a function to get the percentage as an int. Input is place and

Inconsistency in overflow handling between type-hinted and reflective calls

(import 'java.io.DataOutputStream) (import 'java.io.ByteArrayOutputStream) (defn- -bytes Convert a Java primitive to its byte representation. [write v] (let [output-stream (ByteArrayOutputStream.) data-output (DataOutputStream. output-stream)] (write data-output v) (seq

Re: print-table bug?

Difference looks like so: https://github.com/MichaelBlume/clojure/compare/pr-str-table On Mon Feb 02 2015 at 12:49:42 PM Steve Miner stevemi...@gmail.com wrote: Looks like a bug in clojure.pprint/print-table. Probably should be use `pr-str` instead of `str`. user= (str ())

Re: call superclass constructor in clojure class generation with defrecord

Yes, but that's for methods you're overriding and OP wants a constructor On Sun, Feb 1, 2015, 12:22 AM Fluid Dynamics a2093...@trbvm.com wrote: On Saturday, January 31, 2015 at 6:34:10 PM UTC-5, Michael Blume wrote: The defn wrapping the call to proxy basically is the constructor, so you

Re: call superclass constructor in clojure class generation with defrecord

!!! El viernes, 30 de enero de 2015, 18:47:48 (UTC-4:30), Michael Blume escribió: (defn my-window [] (proxy [Window] [])) should do the trick Proxy takes a vector of implemented interfaces and at most one superclass (in your case, Window), and then a second vector of arguments to pass

Re: call superclass constructor in clojure class generation with defrecord

(defn my-window [] (proxy [Window] [])) should do the trick Proxy takes a vector of implemented interfaces and at most one superclass (in your case, Window), and then a second vector of arguments to pass to the superclass constructor (in your case, an empty vector) and then a series of methods

Re: vectorz, Unable to find implementation, uberjar, excluding source

If you want to keep jar size down and avoid class loader problems, instead of excluding source I'd avoid aot and only ship source. If you need the JVM to find your main class you can write a shim and only aot-compile that. On Wed Jan 21 2015 at 12:36:03 PM Brian Craft craft.br...@gmail.com wrote:

Re: aot resolve question

Not sure what to tell you. If you can post code we can use to reproduce the problem, that would help. Alternately, put some println statements into load-sym so you can be sure it's getting the values you think it is? On Tue Jan 20 2015 at 11:45:34 PM bob wee@gmail.com wrote: Hi, I have a

Re: Satisfies? seems strangely slow

walks up the superclass chain. [1] https://github.com/clojure/clojure/blob/master/src/clj/clojure/core_deftype.clj#L507-L516 On Thursday, January 22, 2015 at 8:36:23 PM UTC-5, Michael Blume wrote: Extends seems to be defeated by superclassing. ie: (extends? my-protocol (class {})) = false

Re: Satisfies? seems strangely slow

sympathy for how the JVM operates. On Thursday, January 22, 2015 at 11:10:56 PM UTC-5, Michael Blume wrote: It sounds like basically dispatch is fast because we bothered to make it fast (by caching) and satisfies? is slow because we didn't. Is it worth throwing caching at satisfies? to make

Re: Testing macros that throw errors at compile time?

macroexpand-1 is a good start, I'd also recommend using the (is (thrown? ...)) special form, so (is (thrown? IllegalArgumentException (macroexpend-1 '(my-macro (ill-formed-arguments ...) On Thu Jan 22 2015 at 5:05:36 PM Ben Wolfson wolf...@gmail.com wrote: (try (macroexpand-1 '(my-macro

Satisfies? seems strangely slow

(defprotocol my-protocol (foo [this])) (extend-protocol my-protocol clojure.lang.IPersistentMap (foo [this] hello from map)) (criterium.core/quick-bench (satisfies? my-protocol {})) (criterium.core/quick-bench (foo {})) Simply calling foo on an empty map takes 7 ns, but checking

Re: Satisfies? seems strangely slow

to give much help here, so play with it in the repl a bit. Timothy On Thu, Jan 22, 2015 at 6:14 PM, Michael Blume blume.m...@gmail.com wrote: (defprotocol my-protocol (foo [this])) (extend-protocol my-protocol clojure.lang.IPersistentMap (foo [this] hello from map

Re: [ANN] clojure.jdbc 0.4.0-beta1: A jdbc library for clojure.

I'm a little confused, by last major release do you mean the most recent major release or do you mean clojure.jdbc is about to move into maintenance mode? On Sun Jan 11 2015 at 3:02:51 AM Andrey Antukh n...@niwi.be wrote: Hello! I wanted to announce the last major release of clojure.jdbc, a

Re: Extend causes error in servlet container?

! function which, at run-time, rather than at compile-time, manually imports your real handler and sticks it in an atom. Then the handler exposed to ring just reads the real handler out of the atom and applies it to the incoming request. On Tue Jan 06 2015 at 1:24:40 PM Michael Blume blume.m

Re: Extend causes error in servlet container?

lein-ring uses AOT compilation to build war files. AOT compilation in clojure is, well, problematic sometimes. Fortunately it can almost always be avoided using clever indirection. For example: https://github.com/pdenhaan/extend-test/pull/1 builds a war that works =) I've got a pull open against

Re: Extend causes error in servlet container?

your problem go away. On Tue Jan 06 2015 at 1:29:39 PM Michael Blume blume.m...@gmail.com wrote: TL;DR: If you wait for that lein-ring pull to get merged, you can upgrade lein-ring and your problem will go away. If you wait for Clojure 1.7.0 it's possible your problem will go away, though I'm

Re: lein uberjar not creating class files with :aot

(in the clojure.java.jdbc namespace, I should have said) On Sat Jan 03 2015 at 12:43:31 PM Michael Blume blume.m...@gmail.com wrote: it's hard to say exactly what's going on without tinkering with your project, but Connectable is found in the clojure.java.jdbc, so I'd make absolutely sure

Re: lein uberjar not creating class files with :aot

it's hard to say exactly what's going on without tinkering with your project, but Connectable is found in the clojure.java.jdbc, so I'd make absolutely sure that namespace has been required before Connectable is referred to. And then, well, if it were me, I'd just ditch AOT. In my experience it

Re: How to handle fn args in a macro ?

Sorry, that should be (defmacro listen [[topic-sym topic-name] body] `(on-message ~topic-name (fn [~topic-sym] (~@body) On Thu Jan 01 2015 at 11:01:53 PM Michael Blume blume.m...@gmail.com wrote: If it were me I'd avoid making 'topic a magic symbol and let the user choose

Re: How to handle fn args in a macro ?

If it were me I'd avoid making 'topic a magic symbol and let the user choose a symbol to bind. It'd look something like (defmacro listen [[topic-sym topic-name] body] `(on-message ~topicname (fn [~topic-name] (~@body) (listen [topic topic-test] (println topic test)) this way it's

:keys and :or destructuring where defaults refer to one another

If I make my defaults on a :keys :or destructuring depend on the values of other keys, I *can* get a compile-time error, depending on what order I give the keys https://gist.github.com/MichaelBlume/4891dafdd31f0dcbc727 Is this on-spec behavior? Should the former be allowed but not the latter?

Re: :keys and :or destructuring where defaults refer to one another

your code, try evaluating your form quoted with macroexpand. Here's a gist with the macroexpansion each form. https://gist.github.com/aamedina/542b084d31d4e0c9a7a8 Hopefully the expansion makes things clear! On Thursday, December 11, 2014 6:11:59 PM UTC-5, Michael Blume wrote: If I make

Re: Wouldn't it be nice if if-let allowed more bindings?

Instead of the deshadowing logic, why not (defn if-and-let* [bindings then-clause else-fn-name] (if (empty? bindings) then-clause `(if-let ~(vec (take 2 bindings)) ~(if-and-let* (drop 2 bindings) then-clause else-fn-name) (~else-fn-name (defmacro if-and-let

Re: Get the value of the persistentArrayMap from the exception which was thrown

Well, from the print of the exception, it looks unlikely, but let's look at the code. This stacktrace says the exception was thrown in line 429 of clojure.lang.AFn, and I'm going to assume you're using Clojure 1.6.0, so we want

Re: [ANN] Clojure 1.7.0-alpha3 now available

Picking up the variadic arguments discussion, it seems that in a simple definition like (fn [ args] (apply f arg1 args)) One could conceivably put some sort of preprocessing smarts into the fn macro that notices that a) this is a variadic arglist b) the variadic arg (args) is a symbol, not

Why is my function faster with eval?

So I'm reading a bunch of rows from a huge csv file and marshalling those rows into maps using the first row as keys. I wrote the function two ways: https://gist.github.com/MichaelBlume/c67d22df0ff9c225d956 and the version with eval is twice as fast and I'm kind of curious about why.

Re: Why is my function faster with eval?

first (take-while (complement #{})) (map keyword)) mapper (fn [row] (zipmap headers row))] (map mapper (rest rows Sean On Oct 10, 2014, at 11:42 AM, Michael Blume blume...@gmail.com javascript: wrote: So I'm reading a bunch

Re: Where can one find low hanging fruit for open source contribution?

Agree with Michael Klishin, I've gotten a few patches into Leiningen as a relative Clojure newb and the maintainers have been super friendly and helpful. On Friday, September 26, 2014 11:45:18 PM UTC-7, Michael Klishin wrote: On 27 September 2014 at 10:34:28, kurofune (jessel...@gmail.com

Re: vim-fireplace debug workflow: modifying jars

Don't worry about the jar, especially. You can have your own git checkout of the upstream project you're working with, and that'll work just fine. Open a source file you need to work with, connect with nrepl, edit a function, and eval -- that should be enough. On Thursday, March 27, 2014

Re: Calling from a macro to a private macro

You don't have the macro generate a call to the private function, you have the macro call the private function directly replace: (defmacro call-self* [x] `(~x ~x)) (defmacro call-self [x] `(do (println calling form ~(str x) with itself) (call-self ~x))) with: (defn- call-self*

deadlock when using clojure data structures at startup

I work on a Java team, so our use of clojure is either a) calling into clojure from java or b) directly using the clojure data structures. Recently we had an app fail because, as it was starting up, one thread was trying to require a clojure namespace, and another was trying to use a

odd failure on recursive use of protocol member

I have a protocol RestSerializable to represent data that can be serialized to json from a REST interface. (defprotocol RestSerializable (rest-serialize [this] Convert to something Cheshire can JSONify)) By default, things are left alone (extend Object RestSerializable

Re: odd failure on recursive use of protocol member

will get the behaviour you expected On 12/10/13, 11:50 AM, Michael Blume wrote: I have a protocol RestSerializable to represent data that can be serialized to json from a REST interface. (defprotocol RestSerializable (rest-serialize [this] Convert to something Cheshire can JSONify

Re: Functions using locks are slowed even when locks are never taken

with Java equivalents too... Cheers, Michał On 3 November 2013 20:46, Michael Blume blume.m...@gmail.com wrote: I mean, I'm probably being naive, but this suggests that one could write (defmacro locking' [ forms] `(let [res# (locking ~@forms)] res#)) and use locking' in place

Re: Functions using locks are slowed even when locks are never taken

on different objects). In fact, both monitor-enter and monitor-exit carry docstrings which explicitly say that they should not be used in user code and point to locking as the user-facing equivalent to Java's synchronized. Cheers, Michał On 1 November 2013 19:34, Michael Blume blume

Re: Functions using locks are slowed even when locks are never taken

? On Sun, Nov 3, 2013 at 11:09 AM, Michael Blume blume.m...@gmail.com wrote: Huh, interesting. I have: (defn foo' [x] (if ( x 0) (inc x) (let [res (locking o (dec x))] res))) (defn foo'' [x] (if ( x 0) (inc x) (locking o (dec x foo' is fast, but foo

Re: Functions using locks are slowed even when locks are never taken

that dovetails with Clojure' fn compilation. On Friday, November 1, 2013 11:53:12 AM UTC-7, Michael Blume wrote: Since 1.6 alpha is out, I reran the tests with that -- basically the same results. On Friday, November 1, 2013 11:34:15 AM UTC-7, Michael Blume wrote: https://github.com

Functions using locks are slowed even when locks are never taken

https://github.com/MichaelBlume/perf-test (ns perf-test (:use (criterium core)) (:gen-class)) (def o (Object.)) (defn foo [x] (if ( x 0) (inc x) (do (monitor-enter o) (let [res (dec x)] (monitor-exit 0) res (defn bar [x] (if ( x 0) (inc x)

Re: Functions using locks are slowed even when locks are never taken

Since 1.6 alpha is out, I reran the tests with that -- basically the same results. On Friday, November 1, 2013 11:34:15 AM UTC-7, Michael Blume wrote: https://github.com/MichaelBlume/perf-test (ns perf-test (:use (criterium core)) (:gen-class)) (def o (Object.)) (defn foo [x

Re: Scala interop (or, aliasing imported Java classes)

I ran into this problem using inner-class enums and wound up writing a macro to generate aliases for me. You could do something similar: (defmacro def-class-alias Make name reference class (def-class-alias class-name foo.bar.baz.SomeClass) (class-name foo) - foo.bar.baz.SomeClass/foo

Re: ClassNotFoundException: clojure.tools.logging.impl.LoggerFactory

This seems to be a recurring issue. I don't see a public list/bug tracker for clojure.tools.logging, so I'm not clear on where I'm supposed to bring this bug. On Friday, March 15, 2013 9:36:32 AM UTC-7, Michael Blume wrote: I'm seeing this problem in my builds more or less randomly, and don't

ClassNotFoundException: clojure.tools.logging.impl.LoggerFactory

I'm seeing this problem in my builds more or less randomly, and don't seem to be the only one http://stackoverflow.com/questions/8291910/noclassdeffounderror-with-clojure-tools-logging https://groups.google.com/forum/#!msg/datomic/6xWGFB-Dx68/_Hr2I4lv39gJ