Hi,
Am Freitag, 1. Juli 2011 02:34:01 UTC+2 schrieb Chas Emerick:
But, you'd never do that, right? Each implementation of Vector and Map
would have their own idiosyncratic implementations of `get`, and you _want_
(need) that bolted into the deftyped class.
Brian was looking to be able to
Hi,
BTW, did you look at the monad package in contrib? (The new one is
algo.monad, I think.) Maybe you could use the continuation monad (which this
basically is) for the infrastructure.
Sincerely
Meikel
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Hey all,
Whats the current state of clojure-contrib for 1.3? I remember seeing a
wiki post or something awhile ago with new package layouts/maven settings
etc but can't seem to find it now ;(
Mark
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Scala ported to run on the Mozart VM.
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I read about it and didn't see how to map my idea onto it so I stormed
ahead. I'll take another look thought. This is probably one of those
cases where you don't see the perfectly good wheel right in front of
you until you invent one of your own. :)
Dave
On Fri, Jul 1, 2011 at 2:16 AM, Meikel
You can find your answers at
http://dev.clojure.org/display/design/Contrib+Library+Names
As to where things are going or have ended up. The most used libs are
logging and jdbc, so an project.clj file that used these would look like
[org.clojure/java.jdbc 0.0.2]
[org.clojure/tools.logging
On Jun 30, 7:54 am, Stuart Sierra the.stuart.sie...@gmail.com wrote:
Recently the received wisdom has been: protocols are a low-level
implementation detail. Actual APIs should be built with normal functions
that call the protocol methods.
Stuart- I am a bit confused by this statement, and
Is there any way to make the Clojure repl pretty-print by default?
I have a bunch of little functions that return things like directory
listings and git output, mostly as seqs of lines or Files. I could
change the functions to pretty-print (rather than return) their
results, but I often want to
I'm trying to use Clojure in the .NET world. I've got the binary
distribution downloaded, and this VS plugin
http://visualstudiogallery.msdn.microsoft.com/fb895809-2ae0-48aa-8a96-3c0d5b8e1fdc/
installed. I'm trying to build my first Hello World executable.
However, when I try to run I get he
Or maybe the repl could have a *printer* variable
On Jul 1, 9:32 am, Jeffrey Schwab j...@schwabcenter.com wrote:
Is there any way to make the Clojure repl pretty-print by default?
I have a bunch of little functions that return things like directory
listings and git output, mostly as seqs of
On Fri, Jul 1, 2011 at 2:32 PM, Jeffrey Schwab j...@schwabcenter.comwrote:
Is there any way to make the Clojure repl pretty-print by default?
I have a bunch of little functions that return things like directory
listings and git output, mostly as seqs of lines or Files. I could
change the
Thank you! That is exactly what I needed.
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To
pprint by default would be excellent, except it deref's vars
On Fri, Jul 1, 2011 at 8:59 AM, Jeffrey Schwab j...@schwabcenter.com wrote:
Thank you! That is exactly what I needed.
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I tried adding (clojure.main/repl :print pprint) to my user.clj, but clojure
then reports an error, because clojure.main/repl does not (yet) exist. Is
there any work-around for this? Maybe a way to register onLoad style hooks
that will be executed once the repl is running? Here's my current
On Fri, Jul 1, 2011 at 9:20 AM, David McNeil mcneil.da...@gmail.com wrote:
On Jun 30, 7:54 am, Stuart Sierra the.stuart.sie...@gmail.com wrote:
Recently the received wisdom has been: protocols are a low-level
implementation detail. Actual APIs should be built with normal functions
that call
user.clj is old, and isn't ideally suited for pre-loading handy things into
a repl.
An alternative might be to put your repl init stuff in a file, such as:
/home/repl-init.clj:
(require 'clojure.pprint)
(clojure.main/repl :print clojure.pprint/pprint)
And then change your repl startup script
Includes a fix for generated keys on PostgreSQL / MS SQL Server:
http://dev.clojure.org/jira/browse/JDBC-10
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map actually accepts any number of collections, as show in the official
documentationhttp://clojure.github.com/clojure/clojure.core-api.html#clojure.core/map.
Your function passed to map just needs to accept parameters equal to the
number of collections passed. So you could write something
If you use lein repl, is there an easy equivalent?
On Fri, Jul 1, 2011 at 9:53 AM, David Powell djpow...@djpowell.net wrote:
user.clj is old, and isn't ideally suited for pre-loading handy things into
a repl.
An alternative might be to put your repl init stuff in a file, such as:
Sayth,
First, imagine my surprise when I saw just the title
of your post show up in a search...
Second, thanks for the kind words about the books
that I actually have written (so far). For what it's worth,
I have thought about doing a clojure book, but so far
it is only in the back of the napkin
Sean Corfield seancorfi...@gmail.com writes:
If you use lein repl, is there an easy equivalent?
You can set :repl-options [:print clojure.contrib/pprint], but that
depends on pprint being required before the repl launches, and I can't
think of a straightforward way to do that. Perhaps adding an
Thank!
Why -r? The (clojure.main/repl) call seems to start a new repl. (In fact,
it took me a minute to figure out that this really needs to be the last
thing in repl-init.clj.)
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I don't know if ergo is the right name to describe this project.
Most of the default emacs key-bindings are very ergonomic, assuming
you remap your ctrl to your caps lock. Most of the commands that you
use most frequently can be entered in with just your left hand, with
your little finger on the
I want a concise function that, given an arbitrary length sequence,
determines whether the sequence is of consecutive integers starting with
one. So:
(f [1 2 3]) returns true
(f [1 2 4]) returns false
(f [0 1 2]) returns false
My first try, which I am not proud of, follows:
(defn f
On Fri, Jul 1, 2011 at 3:28 PM, .Bill Smith william.m.sm...@gmail.com wrote:
I want a concise function that, given an arbitrary length sequence,
determines whether the sequence is of consecutive integers starting with
one. So:
(f [1 2 3]) returns true
(f [1 2 4]) returns false
(f [0 1
The other way around, actually -- the second and third will hang (in
count) on infinite seqs, the first stopping on any non-matching
item. Sorry, in a hurry here.
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On Fri, Jul 1, 2011 at 3:28 PM, .Bill Smith william.m.sm...@gmail.comwrote:
I want a concise function that, given an arbitrary length sequence,
determines whether the sequence is of consecutive integers starting with
one. So:
(f [1 2 3]) returns true
(f [1 2 4]) returns false
(f [0 1
Hi all. I've been looking at Clojure for the past month, having had a
previous look at it a couple of years ago and then moved on to other
things only to return to it now.
Over the past decade I have looked at many languages and many ways of
doing things. People may say this language or that
Here is another way:
(defn f [xs]
(and
(= 1 (first xs))
(apply = (map - (rest xs) xs
From: clojure@googlegroups.com [mailto:clojure@googlegroups.com] On
Behalf Of David Nolen
Sent: Friday, July 01, 2011 3:51 PM
To:
On Fri, Jul 1, 2011 at 3:51 PM, David Nolen dnolen.li...@gmail.com wrote:
On Fri, Jul 1, 2011 at 3:28 PM, .Bill Smith william.m.sm...@gmail.com
wrote:
I want a concise function that, given an arbitrary length sequence,
determines whether the sequence is of consecutive integers starting with
On Fri, Jul 1, 2011 at 4:04 PM, Chouser chou...@gmail.com wrote:
(defn f [xs] (every? true? (map = xs (iterate inc 1
--Chouser
Hrm, shoulda thought 'o that :)
David
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You can set :repl-options [:print clojure.contrib/pprint], but that
depends on pprint being required before the repl launches, and I can't
think of a straightforward way to do that. Perhaps adding an :eval-init
entry in project.clj which can contain needed requires like this?
+1
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I see some more clever ways have been posted.
Perhaps a more interesting, general problem: detect if the input is an
arithmetic sequence at all.
Here's a few implementations to get you started.
Straightforward:
(let [diffs (map - xs (rest xs))]
(every? identity (map = diffs (rest diffs
On Fri, Jul 1, 2011 at 4:04 PM, Chouser chou...@gmail.com wrote:
(defn f [xs] (every? true? (map = xs (iterate inc 1
--Chouser
Also,
(defn f [xs] (every? #{1} (map - xs (iterate inc 0
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Thanks everyone.
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On Jul 1, 1:41 pm, David Nolen dnolen.li...@gmail.com wrote:
On Fri, Jul 1, 2011 at 4:04 PM, Chouser chou...@gmail.com wrote:
(defn f [xs] (every? true? (map = xs (iterate inc 1
--Chouser
Also,
(defn f [xs] (every? #{1} (map - xs (iterate inc 0
This has problems before 1.3 if
In IRC I asked Phil about this and he suggested putting (require
'clojure.pprint) in ~/.lein/user.clj with :repl-options [:print
clojure.pprint/pprint] and that does indeed work for now.
Sean
On Fri, Jul 1, 2011 at 1:10 PM, Shantanu Kumar kumar.shant...@gmail.com wrote:
You can set
On Fri, Jul 1, 2011 at 2:59 PM, James Keats james.w.ke...@gmail.com wrote:
...
Whereas when Steve Yegge writes:
Who?
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I have the identical problem to Shoeb. Toohey's suggestion did not
work for me. But I got it to work. What I found is that lein deps
downloaded the wrong version of swank-clojure. Note that previous to
this I had done lein plugin install swank-clojure 1.3.1 That
installed swank-clojure-1.3.1.jar
Using map-indexed:
(defn f [xs] (every? true? (map-indexed #(= (inc %1) %2) xs)))
On Jul 1, 12:28 pm, .Bill Smith william.m.sm...@gmail.com wrote:
I want a concise function that, given an arbitrary length sequence,
determines whether the sequence is of consecutive integers starting with
one.
Hi,
As a clojure beginner I'm practicing my understanding of the language
but at some point the use of lazy-seq get blurry.
Imagine that I want to write a lazy function to extract a slice of a
collection something like this :
(defn slice [coll low high]
(drop (dec low) (take high coll)))
Whereas when Steve Yegge writes: which means that everyone (including
me!) who is porting Java code to Clojure (which, by golly, is a good
way to get a lot of people using Clojure) is stuck having to rework
the code semantically rather than just doing the simplest possible
straight port.
(count coll) needs to realize the whole sequence all at once in order
to see how big it is. Depending on how much of this you want to do by
hand, something like the following is how I would write it:
(defn slice [low high coll]
(lazy-seq
(cond (pos? low)
(slice (dec low) (dec high)
To do this from a simple command line, just do:
java -cp path-to-clojure-jar clojure.main -e (require
'clojure.pprint) (clojure.main/repl :print clojure.pprint/pprint)
modify to taste.
I once figured how to do this in Slime, too, but when I look at my
(quite dated) copy, it looks like pr-str is
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