* Camarade_Tux
just found a signal.h in mingw32, defining some of the unix ones
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<yziquel_>
http://paste.lisp.org/display/74972 - i've been trying to ue pgocaml, and i get a "Parse error: currified constructor". What exactly does this error mean?
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<Yoric[DT]>
yziquel_: it probably means that PGSQL is a constructor, not a function.
<Yoric[DT]>
Hence, if it has any arguments, they should be between parenthesis.
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<yziquel_>
Yoric[DT]: the code starts with expr: LEVEL "top" [ [ "PGSQL"; "("; dbh = expr; ")"; extras = LIST1 [ x = STRING -> x ] ->... and the "currified constructor" issue is with trying to execute PGSQL(dbh) "execute" "create temporary table ...". So it seems to be a constructor. But with parenthesis, PGSQL(dbh) ("execute") ("create temporary table employees (id serial not null primary key, name text not null, name text not null, salary int4 not null, email text)
<yziquel_>
Yoric[DT]: or maybe i did not understand you very well.
<Yoric[DT]>
mmmm.....
<Yoric[DT]>
I don't know.
<yziquel_>
Any good tutorial on camlp4?
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<Yoric[DT]>
There's one in ocaml-tutorial.org .
<flux>
I think the kind folks at inria could still up the version number of camlp4 to camlp6 and go with that, atleast the inclarity on for which version of camlp4 the tutorial is would go away :)
<ttamttam>
it may help: "A Brief Introduction to PG'OCaml" by Dario Texeira
<yziquel_>
ttamttam: no, i was not aware of it. thanks for pointing it out...
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<yziquel_>
ttamttam: unfortunately, it does not solve my problem: getting the PGSQL(dbh) construct to be parsed correctly. http://paste.lisp.org/display/74972
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<rwmjones>
yziquel_, is it definitely using the syntax extension? it seems like it isn't
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<flux>
plain #load "foo.cma" wouldn't make any syntax extensions to go into life, would it?
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<flux>
well, I just get a syntax error when I try with #require "pgocaml.statements" and so on
<flux>
ah!
<flux>
I needed to do #camlp4o;; first
<flux>
yziquel_, so this gave me an actual database error: #use "topfind";; #camlp4o;; #require "pgocaml.statements";; PGSQL(dbh) "execute" "bar";;
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<yziquel_>
rwmjones: yes, the syntax extension was not alive...
<yziquel_>
flux: thanks, i get the same kind of database error.
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<hcarty>
rwmjones: The ping was just to ask how the OCaml meeting went, since your name was here in IRC
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<rwmjones>
hcarty, yes, it was good
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<Yoric[DT]>
Well, there was a looooooong talk in the beginning of the afternoon.
<hcarty>
Anything new or exciting in the INRIA OCaml talk? That seems to be the only one which doesn't have slides available on cocan
<Yoric[DT]>
A few ideas but nothing quite precise.
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<hcarty>
Yoric[DT]: Are there any plans to use/integrate the OCaml Calendar library in Batteries for time/date functions? I haven't used Netdate, so I'm not sure how they compare...
<hcarty>
It may be too large or outside of the intended scope of Batteries
<Yoric[DT]>
hcarty: it will depend on whether it's not too hard to get Netdate and Calendar to interoperate.
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<Yoric[DT]>
Don't hesitate to fill in a Request for Features if that's important to you.
<hcarty>
Yoric[DT]: Ok, will do
<hcarty>
I use Calendar in a lot of my code
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<gildor>
rwmjones: thanks for the picture, I bring my camera but forget to use it
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<hcarty>
Yoric[DT]: It may be worth noting in the Batteries syntax extension documentation that comprehesions do work in the 3.11 toplevel
<hcarty>
Yoric[DT]: Or, if it would be better, I can submit that as a bug report on the forge instead
<gildor>
gildor: BTW, Yoric[DT], your talk at ocaml meeting was really great
<gildor>
Yoric[DT]: it makes me want try to connect it with some library of my own
<gildor>
Yoric[DT]: you say that you can provide us with a document on how to provide library easily integrate-able into batteries
<gildor>
Yoric[DT]: wrt to Enum i think
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<Yoric[DT]>
hcarty: yes, please, could you submit this as a bug?
<Yoric[DT]>
gildor: that document is not written yet, unfortunately.
<Yoric[DT]>
(and thanks, btw)
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<hcarty>
Yoric[DT]: Submitted.
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<Yoric[DT]>
thanks
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<ttamttam>
Argh. I installed batteries with Godi two days ago. And just tried to update it.
<ttamttam>
But the update fails, because the findlib module was not remove correctly.
<ttamttam>
Ok. I have to find out which magic incantation will help me remove batteries modules from findlib.
<ttamttam>
Obviously, ocamlfind remove batteries is not enough…
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<ttamttam>
Removing directories directly from pkg-lib/ seems to be ok. Trying to install batterie again…
<hcarty>
ttamttam: I had the same problem
<hcarty>
I used: "ocamlfind remove batteries -destdir $GODI_DIR/lib/ocaml/pkg-lib"
<ttamttam>
Thanks
<hcarty>
Then repeated for the packages batteries_threads
<hcarty>
And batteries_nothreads
<ttamttam>
I just removed batteries_* from the dir. I'll see.
<hcarty>
After that the install seemed to work properly
* mfp
realizes something
<mfp>
congrats on the new Batteries release to those involved!
<hcarty>
ttamttam: I imagine that does (approximately?) the same thing
<ttamttam>
I hope. Just waiting for the documentation generation...
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<ttamttam>
### Installation completed
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<jonasb>
hi all, I'm using godi 3.11 and tried to install godi-batteries, but got this compilation error: http://pastebin.com/m5c1193da
<hcarty>
jonasb: I don't think that's a Batteries error
<hcarty>
It looks like it is trying and failing to build omake, perhaps?
<jonasb>
ah, true. but batteries depends on omake...
<hcarty>
Does it?
<jonasb>
has anyone else succeeded compiling omake/batteries on godi 2
<hcarty>
I was able to get it build here on godi + 3.11
<hcarty>
Not omake, but Batteries
<hcarty>
Without omake installed
<jonasb>
ah, I tried to install omake before and failed... didn't realise godi_console still tried to install it
<jonasb>
will try again
<jonasb>
it works fine, cheers!
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<hcarty>
The proper package name is under "Comprehension expressions"
<jonasb>
ah, of course, thanks!
<hcarty>
Have fun with it :-)
<Yoric[DT]>
Yep, we obviously forgot to add pa_comprehension.syntax to the documentation.
<jonasb>
hcarty: will do :-) read the batteries presentation from the ocaml meeting, and it all sounded very good
<jonasb>
Yoric[DT]: strings.syntax is also missing
<Yoric[DT]>
Thanks.
<Yoric[DT]>
Justa dded.
<Yoric[DT]>
Just added.
<jonasb>
nice turnaround time :-(
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<jonasb>
s/:-(/:-)/g
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<Yoric[DT]>
:)
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<jonasb_>
anyone knows if ocsigen and batteries are compatible? I get this when I try to start the server: Internal error in lwt_preemptive.ml (read failed on the pipe) Unix.Unix_error(2, "read", "") - Please check if Lwt_preemptive is initialized and that lwt_preemptive.cmo is linked only once. Otherwise, please report the bug
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<jonasb_>
is Lwt and Thread related in any way?
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<psnively>
They're both thread modules?
<Camarade_Tux>
jonasb_, if you try to load the unix module several times, you will get errors (and the one you mentionned really looks like that)
<Camarade_Tux>
be sure it appears only once on command-line or other
<psnively>
More seriously, Lwt is a cooperative threading package, Thread is an OS threads package.
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<jonasb_>
Lwt_preemtive uses OS threads AFAIK, so that's probably it
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<jonasb_>
hmm, I'm using two packages (ocsigen, batteries) which both are using threads, can I prevent multiple loads of unix?