I'm still trying to get my head around the new features. Seeing more
code examples will definitely help. In the meantime, here is some
stream-of-consciousness thoughts and questions.
Datatypes:
I'm a little worried about the strong overlap between reify/proxy,
deftype/defstruct, and defclass/ge
On Nov 12, 1:10 pm, Rich Hickey wrote:
> An early version of the code for a few important new language
> features, datatypes[1] and protocols[2] is now available in the 'new'
> branch[3]. Note also that the build system[4] has builds of the new
> branch, and that the new branch works with curren
Oh yes, thanks for refreshing my memory.
And indeed it makes sense to place the question mark in the "questioned" side :)
2009/11/13 Wilson MacGyver :
> Yes, it's groovy, and it's "?." It's called safe navigation operator
>
> http://groovy.codehaus.org/Operators#Operators-SafeNavigationOperator%28
Let's try this again:
(defn swap [coll i j]
(if (= i j) coll
(let [li (min i j) ui (max i j)]
(let [[pre-li post-li] (split-at li coll)]
(let [[post-li-pre-ui post-li-post-ui]
(split-at (- ui 1 li) (rest post-li))]
(concat
pre-li
Yes, it's groovy, and it's "?." It's called safe navigation operator
http://groovy.codehaus.org/Operators#Operators-SafeNavigationOperator%28%3F.%29
On Thu, Nov 12, 2009 at 6:03 PM, Laurent PETIT wrote:
> 2009/11/3 Alex Osborne :
>>
>> Sean Devlin wrote:
>>> This is slightly unrealted, but how d
Oh, I posted too soon. My implementation has a bug.
On Nov 12, 9:56 pm, Mark Tomko wrote:
> I came up with a way to do it, but I'm sure there's a simpler way.
> Here's what I have:
>
> (defn swap [coll i j]
> (let [li (min i j) ui (max i j)]
> (let [[pre-li post-li] (split-at li coll)]
>
I came up with a way to do it, but I'm sure there's a simpler way.
Here's what I have:
(defn swap [coll i j]
(let [li (min i j) ui (max i j)]
(let [[pre-li post-li] (split-at li coll)]
(let [[post-li-pre-ui post-li-post-ui] (split-at (- ui 1) (rest
post-li))]
(concat
p
On Thu, Nov 12, 2009 at 7:59 PM, Chouser wrote:
> On Thu, Nov 12, 2009 at 7:10 AM, Rich Hickey wrote:
>>
>> If you have the time and inclination, please try them out. Feedback is
>> particularly welcome as they are being refined.
>
> For what it's worth, here are 2-3 finger trees implemented usin
On Thu, Nov 12, 2009 at 7:10 AM, Rich Hickey wrote:
>
> If you have the time and inclination, please try them out. Feedback is
> particularly welcome as they are being refined.
For what it's worth, here are 2-3 finger trees implemented using
defprotocol and deftype.
http://tinyurl.com/yeh5fgg/fi
Hi,
Am 12.11.2009 um 13:10 schrieb Rich Hickey:
An early version of the code for a few important new language
features, datatypes[1] and protocols[2] is now available in the 'new'
branch[3]. Note also that the build system[4] has builds of the new
branch, and that the new branch works with curr
HI!
Current documentation on the clojure.org is not context based.
I know that there is a cheat sheet, but there should be also something like
this for HTML version,
where I just click a function link name and can read doc (and examples - but
about it read just below).
Current documentation giv
2009/11/3 Alex Osborne :
>
> Sean Devlin wrote:
>> This is slightly unrealted, but how does one pronounce ->, ->> and the
>> like? Is this documented?
>
> The doc-strings usually give you a nice hint. I usually use "thread"
> for -> and "thread last" for ->>. The actual symbols I think of as
> "
On Nov 13, 6:42 am, Albert Cardona wrote:
> 20:26 < chouser> leafw: sorted-set-by allows for an empty list of initial
> values, but passes that on to PersistentTreeSet/create as
> null, but create doesn't check for null it just blindly calls
> .
Oh its looks like Google Go (http://golang.org) and Nice Interfaces
(http://nice.sourceforge.net/).
Good! It sounds better than overrated polyphormism and class hierarchy.
Wiadomość napisana przez Rich Hickey w dniu 2009-11-12, o godz. 15:39:
>
>
> On Nov 12, 8:29 am, Sean Devlin wrote:
>> Ri
On Nov 12, 12:36 pm, Stuart Halloway
wrote:
> Using slime is moving higher on my todo list every day.
>
> Right now, I have the tags working across all my clojure projects.
> Will slime give me that if I compile them all into jars (with source)
> and put them on the classpath?
Yep.
I've got
There have been a lot of "write Clojure from home" references on the
list lately, so here is the opposite end of the spectrum. Want to come
hang out in meatspace with a bunch of Clojurians*, working in several
interesting problem domains?
http://blog.thinkrelevance.com/2009/11/11/hacker-in-r
Using slime is moving higher on my todo list every day.
Right now, I have the tags working across all my clojure projects.
Will slime give me that if I compile them all into jars (with source)
and put them on the classpath?
Stu
> On Nov 9, 6:36 am, Stuart Halloway wrote:
>> I have a poor ma
Hi all,
When creating a sorted set, the function sorted-set-by
cannot be called without at least one element, despite
the elements being optional.
Chouser on irc.freenode.net #clojure suggested this is a bug, because:
20:26 < chouser> leafw: sorted-set-by allows for an empty list of initial
Hi,
On Nov 12, 5:01 pm, MarkSwanson wrote:
> > >> See if this makes a difference:
> > >> syntax sync fromstart
>
> I think one of the primary objectives of vimclojure should be to
> consistently render correctly - and it can only do that with 'syntax
> sync fromstart'.
Once upon a time, sync fr
Personally I think preventing unexpected gensym collisions is the more
important property, otherwise it's not even worth having, might as
well just make your own cryptic names. I don't think you can have
both.
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Groups "Clojure
Blargh!!! I've committed a good old-fashioned PEBCAK.
I should have been more specific. I executed this in SLIME/OSX and
enclojure/XP. The problem was that the output wasn't going to *out*
like I'd expect.
I tried a different example, and everything is cool.
user=>(def my-agent (agent 0))
us
On Thu, Nov 12, 2009 at 07:50:31AM -0800, Sean Devlin wrote:
>(defn daemon
> "Creates a new daemon thread and sets runnable to f"
> [f]
> (let [t (Thread. f)]
>(do
> (.setDaemon t true)
> (.start t)
> t)))
>
>And I tried calling
>
>user=>(daemon #(println "foo"))
>
>I get the
> >> See if this makes a difference:
> >> syntax sync fromstart
I think one of the primary objectives of vimclojure should be to
consistently render correctly - and it can only do that with 'syntax
sync fromstart'.
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Groups "Clo
Hi all,
I'm trying to get a periodic daemon thread working. I've read some of
the stuff here:
http://groups.google.com/group/clojure/browse_thread/thread/4bc06d413fda157f/e953bb0c9286c5a7
With no luck. My code looks like this
(defn daemon
"Creates a new daemon thread and sets runnable to f"
2009/11/12 Meikel Brandmeyer :
> Hi,
>
> On Nov 12, 11:30 am, Michael Wood wrote:
>
>> See if this makes a difference:
>> syntax sync fromstart
>>
>> (although I've been having trouble making that work from .vimrc or
>> similar. It seems to be ignored and I haven't yet managed to track
>> down wh
On Nov 12, 8:29 am, Sean Devlin wrote:
> Rich,
> Just read the section on reify. I'm not quite sure what this new
> mechanism lets me do. Could you provide an example of the problem it
> solves? I personally would benefit from seeing the "Old, painful way"
> contrasted to the "New, awesome wa
On Thu, Nov 12, 2009 at 6:38 PM, Robert Campbell wrote:
> C:\dev\clojure>java -cp clojure.jar clojure.lang.Repl
> Clojure 1.1.0-alpha-SNAPSHOT
> user=> (def grid1 [01 02 03 04 05 06 07])
> #'user/grid1
> user=> grid1
> [1 2 3 4 5 6 7]
> user=> (def grid2 [01 02 03 04 05 06 07 08])
> java.lang.Numb
Oh, that's pretty neat. Thanks!
On Thu, Nov 12, 2009 at 2:36 PM, Fogus wrote:
>> Why does Clojure hate 8's? :-)
>
> It doesn't. By adding a leading zero you're telling Clojure that you
> want octal numbers. There is no number 08 in octal, instead to write
> the base-10 number 8 you would use 0
> Why does Clojure hate 8's? :-)
It doesn't. By adding a leading zero you're telling Clojure that you
want octal numbers. There is no number 08 in octal, instead to write
the base-10 number 8 you would use 010 in octal.
-m
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Rich,
Just read the section on reify. I'm not quite sure what this new
mechanism lets me do. Could you provide an example of the problem it
solves? I personally would benefit from seeing the "Old, painful way"
contrasted to the "New, awesome way". This would probably help with
the other feature
C:\dev\clojure>java -cp clojure.jar clojure.lang.Repl
Clojure 1.1.0-alpha-SNAPSHOT
user=> (def grid1 [01 02 03 04 05 06 07])
#'user/grid1
user=> grid1
[1 2 3 4 5 6 7]
user=> (def grid2 [01 02 03 04 05 06 07 08])
java.lang.NumberFormatException: Invalid number: 08
java.lang.Exception: Unmatched deli
An early version of the code for a few important new language
features, datatypes[1] and protocols[2] is now available in the 'new'
branch[3]. Note also that the build system[4] has builds of the new
branch, and that the new branch works with current contrib.
If you have the time and inclination,
Hi,
On Nov 12, 11:30 am, Michael Wood wrote:
> See if this makes a difference:
> syntax sync fromstart
>
> (although I've been having trouble making that work from .vimrc or
> similar. It seems to be ignored and I haven't yet managed to track
> down why or where it's overridden.)
It may be set
Hi,
On Nov 12, 9:10 am, David Brown wrote:
> Speaking of vimclojure, has anyone else encountered situations where
> the vimclojure indent decides that the indentation of top-level
> constructs should be two spaces over? I haven't been able to figure
> out a pattern, and sometimes I can even fix
Hi,
On Nov 12, 12:21 am, John Ky wrote:
> Does anyone know why if the first character in my *.clj file is '#', then
> when I open it in VIM, ClojureVIM fails to recognise it as a Clojure file?
Ok. I could reproduce the issue and also found the solution. The
culprit is setfiletype in ftdetect/cl
Hi,
Am 12.11.2009 um 00:21 schrieb John Ky:
Does anyone know why if the first character in my *.clj file is '#',
then when I open it in VIM, ClojureVIM fails to recognise it as a
Clojure file?
What does ":echo &ft" say? I have the general symptom, that Vim
sometimes does not recognise th
2009/11/12 Jeff Rose :
> Yes, I also have the same issue. Sometimes if I re-indent the file it
> goes away, and other times I re-indent the file and all of a sudden
> half of the functions are 2 spaces over. (2 spaces is my tab width
> though, so I'm not sure if it's a tab or always 2 spaces...)
http://paste.lisp.org/display/87611#2
"infinite seq of swing events"
On Thu, Nov 12, 2009 at 1:48 AM, Jeff Rose wrote:
> On Nov 12, 1:22 am, nchubrich wrote:
>> I'm curious what the best idiomatic way of handling events is (e.g.
>> receiving a series of messages and dispatching functions on the
On Nov 12, 1:22 am, nchubrich wrote:
> I'm curious what the best idiomatic way of handling events is (e.g.
> receiving a series of messages and dispatching functions on the basis
> of the messages). One could use the 'experimental' add-watch(er)
> functions. But it might also be nice to do somet
Yes, I also have the same issue. Sometimes if I re-indent the file it
goes away, and other times I re-indent the file and all of a sudden
half of the functions are 2 spaces over. (2 spaces is my tab width
though, so I'm not sure if it's a tab or always 2 spaces...)
-Jeff
On Nov 12, 9:10 am, Dav
Speaking of vimclojure, has anyone else encountered situations where
the vimclojure indent decides that the indentation of top-level
constructs should be two spaces over? I haven't been able to figure
out a pattern, and sometimes I can even fix it by just scrolling up
and back.
David
--
You rec
On Thu, Nov 12, 2009 at 10:21:32AM +1100, John Ky wrote:
>Does anyone know why if the first character in my *.clj file is '#', then
>when I open it in VIM, ClojureVIM fails to recognise it as a Clojure file?
Vim runs the type detectors that examine the file before the ones
based on filename. The
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