Hi!
Did someone ever look at supporting InvokeDynamic for Clojure? I've read a
couple of blogs and it seemed interesting, would be cool to know if there
actually were any advantages in practice.
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Thank you all!
@Stuart Great to know that 0.2.1 is backwards compatible.
@Sean You are right about running it separately. But I am lazy and it is
easier to be able to just run (sdoc) from repl and get the ns browser up.
On the other hand, it is perhaps not so smart to pollute one's profile with
Hi Luca,
On Thursday, April 3, 2014 11:57:27 AM UTC+2, icamts wrote:
Hi Christian,
I think you are looking for this.
http://en.wikipedia.org/wiki/Facade_pattern
In clojure you can use a def for each private member of the facade.
Alternatively you can write a function to instantiate and
Hi, Hansen
Fogus (from here) and Nutter (from JRuby) wrote nice posts about it.
http://blog.fogus.me/2011/10/14/why-clojure-doesnt-need-invokedynamic-but-it-might-be-nice/
http://blog.headius.com/2011/10/why-clojure-doesnt-need-invokedynamic.html?m=1
Plinio Balduino
11 982 611 487
On
Yeah, those were the blog posts I've read, but I can't see that this is
actually being worked on for Clojure?
4. apr. 2014 kl. 11:43 skrev Plínio Balduino pbaldu...@gmail.com:
Hi, Hansen
Fogus (from here) and Nutter (from JRuby) wrote nice posts about it.
The guys from core team will correct me if I say any bs, but I think it's not
possible to keep Clojure compatible with Java 6, as Clojure 1.6 is, and use
InvokeDynamic bytecode in the same binary. DynJS, for example, is not
compatible with Java 6.
Anyway, it would be nice to see any
You may find this thread enlightening:
https://groups.google.com/d/msg/clojure-dev/PuV7XTps9vo/SkkNuiynKfUJ
/Ragnar
On Friday, 4 April 2014 10:44:42 UTC+1, Robin Heggelund Hansen wrote:
Yeah, those were the blog posts I’ve read, but I can’t see that this is
actually being worked on for
Thank you!
4. apr. 2014 kl. 12:35 skrev Ragnar Dahlén r.dah...@gmail.com:
You may find this thread enlightening:
https://groups.google.com/d/msg/clojure-dev/PuV7XTps9vo/SkkNuiynKfUJ
/Ragnar
On Friday, 4 April 2014 10:44:42 UTC+1, Robin Heggelund Hansen wrote:
Yeah, those were the blog
I agree that we cannot (yet) cut support for Java 6 but we continue to
watch polls and usage closely. Java 6 has been EOL'ed for a while now and
usage continues to drop. However, there are a few minor JDK-specific bits
already in Clojure and it would be entirely possible to handle separate
Great to hear, I'm looking forward to progress :)
4. apr. 2014 kl. 14:45 skrev Alex Miller a...@puredanger.com:
I agree that we cannot (yet) cut support for Java 6 but we continue to watch
polls and usage closely. Java 6 has been EOL'ed for a while now and usage
continues to drop. However,
Hi Christian,
I've been a bit too technical. What I mean is give your OO system a new
interface made of functions. Choose functions according to your needs and
develop a layer of functions that can create and access your objects
instances. It's my opinion this is the stateful bridge in your
Proposal:
For an *odd* number of forms a, x, b, ...
{a x b x c ...} = (x a b c ...)
{a x b y c ...} = (*nfx* a x b y c ...)
Reasoning:
Even after a lot of practice, prefix math is still harder (at least for
me...) to read than non-prefix math. The [], () and matching delimiters
are already
Hi,
I am trying to understand what the best course of action would be in the
following scenario:
I have a Java base class that I need to extend. The class is fundamental to
my application and will be running fairly hot compared to other bits of
code in the application. Therefore I want it to
Christian Eitner 7enderh...@gmail.com writes:
Hi Christian,
I think you are looking for this.
http://en.wikipedia.org/wiki/Facade_pattern
In clojure you can use a def for each private member of the facade.
Alternatively you can write a function to instantiate and return private
Anvar Karimson an...@karimson.com writes:
I am trying to understand what the best course of action would be in the
following scenario:
I have a Java base class that I need to extend. The class is fundamental to
my application and will be running fairly hot compared to other bits of
code
The desire (and rejection) of infix notation for Lisp is as old as the hills.
Therefore we expect future generations of Lisp programmers to continue to
reinvent Algol-style syntax for Lisp, over and over and over again, and we are
equally confident that they will continue, after an initial
Is that via gen-class? I have to admit that I am not very familiar with
gen-class, is it still possible to use the class from Clojure?
Yes, that is probably the most pragmatic choice, premature optimization and
all that.
On Friday, 4 April 2014 15:03:00 UTC+1, Phillip Lord wrote:
Anvar
Odd-entry-count maps would have corner cases: One would need to use an even
number of unary operators. If an odd number of unary operators were used,
what looked like a valid expression would become a map, and that might be
hard to figure out.
Also, since the order of entries in a map is not
Yeah, gen-class is the thing. Proxy, well, proxies, but genclass
produces a statically compiled ahead of time class. It's a real Java
class, so yes, you can use it from Clojure like any other Java class.
Genclass is a little more painful than proxy, but probably a little less
painful than having
Ok, thanks! I will have a look!
On Friday, 4 April 2014 16:43:20 UTC+1, Phillip Lord wrote:
Yeah, gen-class is the thing. Proxy, well, proxies, but genclass
produces a statically compiled ahead of time class. It's a real Java
class, so yes, you can use it from Clojure like any other Java
Hi there
I wrote this code expecting an error, but it worked:
(let [x 3
x (* valor 2)]
x)
; 6
Is It the expected behavior or, considering that a local binding could not
be modified, it should really raise an error?
Thank you
Plínio
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This is not modifying the value it's creating a new scope with a new
version of x. The binding above is shorthand for:
(let [x 3]
(let [x 42]
(println x))
(println x))
;; prints:
42
3
Timothy
On Fri, Apr 4, 2014 at 10:23 AM, Plínio Balduino pbaldu...@gmail.comwrote:
Hi there
I
Thank you
I imagined something like that. Anyway, as the second binding is shadowing
the first, there's no way to access the first value, right?
Plínio
On Fri, Apr 4, 2014 at 1:26 PM, Timothy Baldridge tbaldri...@gmail.comwrote:
This is not modifying the value it's creating a new scope with
That's correct, and often clojure compilers (like ClojureScript) many
actually completely rename the variable to something else.
Timothy
On Fri, Apr 4, 2014 at 10:34 AM, Plínio Balduino pbaldu...@gmail.comwrote:
Thank you
I imagined something like that. Anyway, as the second binding is
Incanter supports this with the $= prefix:
($= 7 + 8 - 2 * 6 / 2)
http://data-sorcery.org/2010/05/14/infix-math/
Might be worth looking at...
On Thursday, April 3, 2014 11:17:32 PM UTC-5, Joshua Brulé wrote:
Proposal:
For an *odd* number of forms a, x, b, ...
{a x b x c ...} = (x a b c
I strongly recommend to talk with dynjs guys about invokedynamic.
Dynjs is a ECMAScript engine written in Java 7 that was intended to use all
the power of invokedynamic. Again, they can correct me if I'm saying
bananas, but it looks lie Java 7 has some issues in
invokedynamic implementation and
Hi folks,
I've got a very simple online viewer for Gorilla REPL worksheets going
here:
http://gorilla-repl.org/viewer.html
It's free, with no registration or other burdensome business. You use it by
uploading your worksheet to GitHub, either as part of a project, or to a
Gist, and then
Ouch. Now I realized that it's exactly what happens when you do this to
debug a sequential binding.
(let [x 35
_ (println x is x)
y (* 35 3)
_ (println y is y)]
; some code
)
Thank you for the elucidation.
Plínio
On Fri, Apr 4, 2014 at 1:36 PM, Timothy Baldridge
Why bother with a reader macro, when you can use a normal macro?
(infix (2 * x1 * x2) / (x1 + x2))
IMO, the times when it makes sense to use infix notation are fairly few,
anyway. One could write the above as:
(/ (* 2 x1 x2)
(+ x1 x2))
Which to me actually seems more readable
I prefer Unfix -- http://fogus.me/fun/unfix/ ;-)
On Fri, Apr 4, 2014 at 12:45 PM, Alex Miller a...@puredanger.com wrote:
Incanter supports this with the $= prefix:
($= 7 + 8 - 2 * 6 / 2)
http://data-sorcery.org/2010/05/14/infix-math/
Might be worth looking at...
On Thursday, April 3,
I'd love to know the correct answer to this too, but in the meantime,
here's how I've been doing it:
I define the release version in some namespace. To use it, I require this
namespace. Eg release-namespace/func
Then I create a separate file for the debug build and I require the release
I knew there was another one out there, but couldn't remember whose... !
Thanks...
On Friday, April 4, 2014 2:36:59 PM UTC-5, Fogus wrote:
I prefer Unfix -- http://fogus.me/fun/unfix/ ;-)
On Fri, Apr 4, 2014 at 12:45 PM, Alex Miller
al...@puredanger.comjavascript:
wrote:
Incanter
Is there some trick Clojure command to list all functions defined in a
namespace?
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On Apr 4, 2014, at 7:53 PM, Christopher Howard cmhowa...@alaska.edu wrote:
Is there some trick Clojure command to list all functions defined in a
namespace?
http://clojure.github.io/clojure/clojure.core-api.html#clojure.core/ns-publics
is a good start.
--Steve
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FWIW, in Cursive, which is a big ball of mixed Clojure + Java, I've given
up trying to use gen-class and have started using Java shims for
everything. I like it a lot more than gen-class, which I always feel like
I'm fighting. With the new Java-Clojure API in 1.6 (or the equivalent
using RT.var()
My understanding is that invokedynamic was very problematic in Java 7, but
is quite a different design and works much better in Java 8. I'd expect it
to be much more heavily optimised in Java 8 since it's used by a core Java
feature (lambdas). Unfortunately targeting Java 8 only is probably not
On Fri 4 Apr 2014 at 03:53:54PM -0800, Christopher Howard wrote:
Is there some trick Clojure command to list all functions defined in a
namespace?
I use these functions to create cheatsheets on the fly:
(defn fn-var? [v]
(let [f @v]
(or (contains? (meta v) :arglists)
(fn? f)
I'm also in Santa Cruz, and interested.
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To
(doc dir)
-
clojure.repl/dir
([nsname])
Macro
Prints a sorted directory of public vars in a namespace
On Friday, April 4, 2014 6:53:54 PM UTC-5, Christopher Howard wrote:
Is there some trick Clojure command to list all functions defined in a
namespace?
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