Here is the Felix binding for ZeroMQ (3.1)
http://felix-lang.org/lib/std/io/zmq.flx
This is work-in-progress of course! Note that the language facilities
are used to make a fairly safe code, compared to the C interface.
The type system is leveraged so that all the options, etc, have their
own typ
On Wed, 2007-07-11 at 09:39 -0400, Sandro Magi wrote:
> On 7/11/07, skaller <[EMAIL PROTECTED]> wrote:
> > > Still trying to grasp this. How do you forget to "plug in" a channel?
> >
> > Pass it as an argument.
>
> Ah, in most functional languages values cannot be null, and nullable
> ones are wra
On 7/11/07, skaller <[EMAIL PROTECTED]> wrote:
> > Still trying to grasp this. How do you forget to "plug in" a channel?
>
> Pass it as an argument.
Ah, in most functional languages values cannot be null, and nullable
ones are wrapped in an option/maybe type. I take it this is not the
case for Fel
On Tue, 2007-07-10 at 15:44 -0700, Krishna Srinivasan wrote:
> IMHO, a quick file example program is super
> quick way to code and try out in a new language.
> My guess is that a lots of perl coders got into
> perl this way (I did too, once upon a time).
>
yeah, that's a very good point. File I/
On Tue, 2007-07-10 at 17:56 -0400, Sandro Magi wrote:
> How do you detect deadlocks? Is the procedure you describe below where
> the thread is GC'd?
deadlocked = unreachable.
> Sounds interesting. I'll have to think about it a bit more, as I think
> it almost exactly reverses my ingrained block/
On Tue, 2007-07-10 at 17:56 -0400, Sandro Magi wrote:
> On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
> > On Tue, 2007-07-10 at 12:59 -0400, Sandro Magi wrote:
> > > On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
> >
> > > As long as you can continue useful computation while blocking, and you
> >
Rhythmic Fistman wrote:
>> 1.1.3_rc4 - installed perfectly fine (on ppc mac osx 10.4.10).
>> [I already had ocaml, python latest versions]
>
> Really? Are you using the native ocaml binaries? Maybe they
> fixed the stack overflow problem. These days I have to build
> felix with
> ulimit -s 6000
> What do you want?
Basically, I have lots of python scripts
that work with and process files/logs...etc.
However, these are sometimes huge files and
need huge data structures.
A simple example (in python) :
file_input = open('biglog.txt','r')
d = {}
for line in file_input.readlines():
x =
Thanks a lot for the detailed reply.
Yes, I am reading through the tutorial pages and
they are very helpful. Actually page 1 (hello
world page) says that "let's look at what
all these files mean later". And what you had
written in your email is a beautiful *enough*
explanation. My suggestion woul
On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
> On Tue, 2007-07-10 at 12:59 -0400, Sandro Magi wrote:
> > On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
>
> > As long as you can continue useful computation while blocking, and you
> > can do so safely, then you have a good concurrency model.
>
> On
On Tue, 2007-07-10 at 12:59 -0400, Sandro Magi wrote:
> On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
> As long as you can continue useful computation while blocking, and you
> can do so safely, then you have a good concurrency model.
On blocking: it's the other way around. The current fibre
ex
On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
> On Tue, 2007-07-10 at 12:12 -0400, Sandro Magi wrote:
>
> > Convinced of what? The concurrency safety? The security claims? E
> > covers quite a bit of ground.
>
> The basic problem is finding the right primitives to build
> parallel system on top of
On Tue, 2007-07-10 at 12:12 -0400, Sandro Magi wrote:
> On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
> > The thesis is rather long, but I've looked at E and am not
> > particularly convinced.
>
> Convinced of what? The concurrency safety? The security claims? E
> covers quite a bit of ground.
On Tue, 2007-07-10 at 11:25 -0400, Sandro Magi wrote:
> > What do you want?
>
> Consider an I/O model based on promises/futures with continuations.
Argg .. I sent a reply but it went to you, not the list .. my bad :)
At present the I/O model is based on calls which block fthreads:
there are no
On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
> [...]
> Now, with the new parser in place, some more pleasing
> syntax might be invented for this. In particular the above
> is not very nice because 'promise' remains in scope after
> it has been read .. it should evaporate.
>
> So, we have the prim
On 7/10/07, skaller <[EMAIL PROTECTED]> wrote:
> So actually we have not got this right yet.
>
> The last version of Felix added typeclasses, and it
> changed the whole way we approached making libraries:
> we start to use typeclasses instead of open overloading,
> but typeclasses make you think mu
> From: Krishna Srinivasan <[EMAIL PROTECTED]>
> 1.1.1 - make was ok, but 'make install' FAILED.
> So I was not able to run ./bin/flx as well.
I personally wouldn't install it, prefering instead to build
it somewhere, set FLX_INSTALL_DIR and add FLX_INSTALL_DIR/bin
to my path.
> 1.1.3_rc4 - inst
skaller wrote:
> Yes you do .. you worked on the code that translates these names :)
>
> The story here is: the file basename is used as a top level
> module name, and it must be a valid Felix and C++ identifier.
>
> There is a piece of code in the compiler which 'mangles'
> these names to valid on
On Mon, 2007-07-09 at 19:22 -0700, Erick Tryzelaar wrote:
> Basically, the entire felix language is a language extension. We use a
> GLR parser to convert the felix language into scheme s-expressions,
> which is then converted to an AST. This means that fundamentally the
> core language is real
On Mon, 2007-07-09 at 15:50 -0700, Erick Tryzelaar wrote:
> (skaller, any reason why we don't just support the fopen protocol? Like
> how do we expose file appending and etc? Or, we could always go with
> wrapping stl's io routines?)
That's a very good question .. see my other post. Getting fil
On Mon, 2007-07-09 at 14:59 -0700, Krishna Srinivasan wrote:
>
> And I cannot find how to open, read, write files.
> Can someone please point me to that ?
This is a mess at the moment.
There are three basic kinds of files:
* unix fd or windows handles
* C FILE*
* C++ iostreams
and on top of t
skaller wrote:
>> I wrote
>> the felix-lang.org site so it's a much nicer front end to draw in
>> people. However, it's not *yet* the main felix website. In order to get
>> everything well integrated between the website and mailing lists, we
>> have to migrate the mailing lists to use google's
On Mon, 2007-07-09 at 15:50 -0700, Erick Tryzelaar wrote:
> > PS - I have this habit of calling my files
> > 1hello.x 2hello.xwhen I try examples with
> > incremental compelxity (so I can type the number
> > and hit tab). But this failed with a weird cpp
> > error guess, I cannot name file
On Mon, 2007-07-09 at 15:50 -0700, Erick Tryzelaar wrote:
> Krishna Srinivasan wrote:
> So the sourceforge site is pretty old and not well maintained.
Most of the work is going into the software, and there aren't
enough active contributors to maintain the documentation.
Felix is changing fairly f
On Mon, 2007-07-09 at 15:50 -0700, Erick Tryzelaar wrote:
> > 1a. Why is there a separate 'make doc'
> However, it can take a bit of time, so it's not done by default.
The other reason is that some of the docs require Unix
tools to build. The rest of the system is portable.
You need at least
Krishna Srinivasan wrote:
> >> PS - I have this habit of calling my files
> >> 1hello.x 2hello.xwhen I try examples with
> >
> > Oh thats interesting! I have no idea what will happen if you do that :)
> > I'll have to check that out. I also don't know what felix thinks of
>
>
> I am sorry.
Hello Erick,
Thanks for a quick reply.
> use the subversion one.
Ok. Will do.
> > path/to/build/mk doc
Ah..cool.
>> PS - I have this habit of calling my files
>> 1hello.x 2hello.xwhen I try examples with
>
> Oh thats interesting! I have no idea what will happen if you do that :)
Krishna Srinivasan wrote:
> Very cool idea (I have always personally wanted
> to do many of what felix does, compile python
> to c, python to ocaml, adding type inference
> to dynamic languages...etc) and when I saw this
> project on LtU, thought I will give it a try.
Great! We love new folks. Alw
Greetings.
I just started trying out felix yesterday evening
and here are my first impressions so someone else
might benefit from the same questions. And
hopefully the experienced ones can give me
explanations.
Very cool idea (I have always personally wanted
to do many of what felix does, compil
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