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<
josch >
would somebody happen to know a mailinglist for ocamlgraph?
10:50
<
josch >
i wasnt able to find on their website where to send patches or ask about how the authors would like possible patches to be implemented
10:51
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11:03
<
adrien >
is it hosted on the ocaml forge?
11:03
<
adrien >
how many authors are there?
11:04
<
Kakadu >
I have recently implemented Tarjan algorithm
11:04
<
Kakadu >
maybe it will be useful too
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11:08
<
rks_ >
Kakadu: are you sure it wasn't already in the library ?
11:08
<
rks_ >
(I thought it was)
11:09
<
Kakadu >
rks_: yeah
11:09
<
josch >
Kakadu: tarjan's scc algo?
11:09
<
rks_ >
josch: I guess so
11:10
<
josch >
rks_: yeah, I'm using that one all the time in my code :)
11:10
<
rks_ >
yes josch, I used it too a (long) while ago
11:12
<
josch >
i finished an implementation of johnson's algorithm (starting off from a version by pietro abate) for cycle enumeration which might be useful for inclusion in ocamlgraph
11:12
<
josch >
furthermore i was wondering if anybody ever did a C binding for any ocaml code using ocamlgraph
11:13
<
josch >
and i want to implement a GraphML reader and was wondering which ocaml XML library the authors prefer
11:13
<
josch >
but all this might be interesting for a wider audience than the three developers listed on the website
11:13
<
rks_ >
« ocaml XML » oh dear god
11:13
<
josch >
so i was wondering about the existance of a mailinglist :)
11:13
<
josch >
rks_: yeah i know.. i dont like xml either but graphml uses it so i have to bear with it
11:13
<
rks_ >
Kakadu: sorry mate
11:14
<
josch >
and there seem to be tons of ocaml xml parsers out there
11:14
<
rks_ >
josch: ok :)
11:16
<
josch >
would there be an ocaml malinglist suitable for the topics i listed?
11:16
<
josch >
then i can write there and CC the three authors
11:16
<
josch >
i'm not yet subscribed to any ocaml related list
11:17
<
Kakadu >
I think it is OK
11:20
<
josch >
rks_: okay thanks :)
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11:59
<
ollehar >
can I cast a netchannel to a Lwt_io channel?
11:59
<
ollehar >
perhaps they're not related
12:09
<
adrien >
I know none of them, yet I'm ready to bet they have nothing in common
12:10
<
adrien >
and you
*never* cast from one type to another in ocaml
12:13
<
ollehar >
yeah, that's what I tought
12:14
<
ollehar >
Bummer is, lwt stalls my cgi so I can't flush its regular output
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12:21
<
derek_c >
Could anyone please take a look at a very short piece of code? OCaml tells me there is a syntax error at line 8 but I can't find it
12:22
<
rks_ >
derek_c: try « if x < n then ( ... ) else ... »
12:22
<
adrien >
you need to wrap the "then" block inside "being ... end" or parenthesis
12:23
<
adrien >
ocaml ends the block as soon as possible (that is, when it sees the first ';')
12:23
<
derek_c >
so is it like
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12:23
<
derek_c >
everytime you have a multi-line thing
12:23
<
derek_c >
you need to wrap it?
12:23
<
derek_c >
I mean, everytime you use ; to separate lines
12:24
<
adrien >
inside a "then", yes
12:24
<
derek_c >
thank you!
12:25
<
rks_ >
(that holds for the "else" block as well)
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<
derek_c >
rks_: thanks!
12:49
<
derek_c >
is there a way to simulate recursion using refs?
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12:50
<
adrien >
what is the goal?
12:51
<
derek_c >
it's just homework... we are learning refs so we are using it to do all sorts of weird things
12:52
<
Kakadu >
Maybe they want u to use while or for loops?
12:53
<
asmanur >
derek_c: yes there is a way
12:54
<
derek_c >
asmanur: what is it?
12:54
<
derek_c >
Kakadu: nope loops are discouraged
12:54
<
asmanur >
derek_c: the following term is non terminating
12:54
<
asmanur >
let r = ref (fun _ -> failwith "foo") in r := (fun x -> !r x); !r ()
12:55
<
derek_c >
I didn't know you could use ref with functions
12:55
<
derek_c >
this is very interesting
12:56
<
adrien >
first-class values :-)
12:56
<
asmanur >
well functions are first-class :)
12:57
<
derek_c >
yeah I guess that's how I'm supposed to do it. many thanks :)
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<
orbitz >
Oleg's simple generator uses refs and exceptions in fun ways!
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<
orbitz >
woop woop, my Riak client is on its way
15:00
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<
Kakadu >
does somebody can give a link to `ocp-build howto`?
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<
adrien >
not sure there's one
15:40
<
adrien >
but there is presentation material
15:40
<
adrien >
which roughly equals "ocp-build by examples"
15:41
<
companion_cube >
orbitz: are Oleg's generators related to BatEnum.t ?
15:44
<
Kakadu >
adrien: where can I find it?
15:44
<
adrien >
I don't know for sure
15:44
<
adrien >
I know I had seen some slides online a few months ago
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<
orbitz >
companion_cube: I don't beleive so. it is a paper he releasedrecently
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