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<iusris>
anyone up?
<Kinners>
I am
<iusris>
:) got a problem I've been beating my head about for a bit; feel like helping?
<Kinners>
I'll try
<iusris>
not hard, I'm sure-- I'm fairly new to ocaml
<iusris>
I have this type- type distance = Kilometer of float | Mile of float;;
<iusris>
what I'd like to do is write a function that will accept a constructor (Mile/Kilometer) and then output a result using that constructor
<iusris>
the problem I've run into is that I can't seem to pass the constructor-- is it even possible?
<iusris>
or would it be more viable to pass a string, match off that, and apply the appropriate constructor ?
<iusris>
that make sense?
<Kinners>
you're doing something like 'convert Mile(1.)' ? you need to put parenthesis around Mile(1.)
<Kinners>
can you paste the line that is giving you trouble?
<iusris>
well, the main drift is:
<iusris>
let great_circle_dist lat1 lon1 lat2 lon2 output_form =
<iusris>
(some lines here)
<iusris>
in match output_form with
<iusris>
Kilometer -> kilometer_of_radian result
<iusris>
|Mile -> mile_of_radian result;;
<iusris>
that Kilometer match is the issue, because I guess I thought I could pass in the Kilometer constructor in as output_form, and I can't
<iusris>
I could pass in a dummy Kilometer(1.) or whatever, but I thought there was a cleaner way
<Kinners>
you can use _ as a dummy, Kilometer _ -> ...
* iusris
nods
<iusris>
I'd, of course, hav to pass in a dummy float value as well
<iusris>
but if that's what I have to do, then that's what I'll do
<iusris>
thanks for the help :)
<Kinners>
you could use a different type as well
<Kinners>
type measure = K | M
<Kinners>
type distance = measure * float
<iusris>
ahh- then I could pass K/M directly b/c it wouldn't need an argument, right?
<Kinners>
let conv (m,d) = match m with Kilometer -> Mile, (d /. 1.61) | Mile -> Kilometer, (d *. 1.61);;
<Kinners>
or something like that
<Kinners>
yes
<iusris>
nice-- yes, that's the most elegant solution-- thanks :)
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<seth_>
I'm using the input_line method, on a socket. It reads one line and then never returns from the next call to input_line. I did a network trace and there are more lines available to read. Anyone know about this problem?
<seth_>
it isn't just with input_line. the same thing happens with input_char, except of course that it only reads one character instead of reading one line.
<seth_>
it appears it discards all the additional input.
<reltuk>
what's the best way to learn functional programming? I mean...I think so procedurally right now
<reltuk>
well really, I think objects...but functional is way out there when I read code
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<reltuk>
I think my routing to france is seriously messed up
<reltuk>
like the ocaml site doesn't work, teh o'rielly book site in the topic hardly works...
<reltuk>
so I can't find caml-mode for emacs
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<seth_>
reltuk: still here?
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<seth_>
I'm having a problem with the debugger. When I debug my program, the debugger always stops at two places, even though I haven't set any breakpoints. Does that sound familiar to anyone?
* Yurik
is drinking cheap and wonderful (for that price) wine
<seth_>
Yurik: that cheap wine will come back to haunt you.
<Yurik>
seth_: it seems that not
<Yurik>
seth_: it's a Crimea's wine
<seth_>
Yurik: ok, then it isn't cheap wine, it is inexpensive wine. :)
<Yurik>
and it is a sovignion (or how it is writes?)
<seth_>
Yurik: not sure, french isn't one of my languages.
<Yurik>
seth_: well, it costs about 1EU per liter, in paper Tetra-Pak... it's cheaper 3 times than bottled one
<Yurik>
seth_: sovignion is just a sort of wine, however a french wine coz
<seth_>
Yurik: yes, I know, but the word is french. There is an old joke, "look for the bottle shaped like a brown paper bag"
<Yurik>
but /me is pretty happy with this wine. it's a third liter of it; pretty drunk but ok
<seth_>
Yurik: sounds interesting. It is the middle of the day here, so too early for wine.
<Yurik>
of coz it is better to buy a moldovian wine here, but it costs as minimum as about 3,2EU for 0,7l for 1987
<Yurik>
seth_: it is 9PM now here
<seth_>
Yurik: Eastern europe? Or Russia?
<Yurik>
seth_: Ukraine
<Yurik>
seth_: so, Eastern europe
<Yurik>
thinking to go for the forth liter.. :) that shop is in few minutes from here
<Yurik>
as I understand, Ukraine, Russia and Bielorussia has the cheapest alcohol over the world and that is pretty good
* emu
thinks Yurik has blown his stack
<Yurik>
btw, sorry for my absolute total dummies' English
* Yurik
thinks to continue OCamlBDB... And OCamlGettext seems to be more or less complete.. just saw my topic there :)
<seth_>
Yurik: anything you buy here for $1 (which is about 1 euro) is poison
* Yurik
is also thinking whether he wants to present some lecture on a next osdn.org.ua conference. three (really two) days left for abstracts
<emu>
you can get a handle of Crowne Russe vodka for $12
<Yurik>
seth_: and it isn't true here :)) imagine our average salary... :)
<emu>
poison, imho
<Yurik>
emu: good ukranian or russian vodka costs here for 1,5EU-3EU now
<Yurik>
and it is not poison. it's pretty good
<emu>
what's the best vodka?
<Yurik>
I think that Hetman's vodka is the best. It is manufactured in Ukraine only, however
<Yurik>
it is inexpensive and hangover is little if you don't drink vodka by liters
<emu>
the best you can get around here is probably grey goose
* Yurik
seems to be talkative this evening
<emu>
and it costs a shitload
<Yurik>
what is grey goose?
<emu>
french
<emu>
vodka
<Yurik>
french vodka?... it's an absourd
<emu>
I once tried Russian Standard, that was pretty good, but I was pretty drunk. they're only beginning to import it now though.
<Yurik>
the only one vodka that is reasonable is slavic one
<Yurik>
:)
<emu>
I like grey goose better than stoli, for what it's worth
<Yurik>
stoli is stolichnaya?
<emu>
at least what they bring to the states
<emu>
yes
<Yurik>
stolichnaya of any company here is the most cheapest vodka here, as I can understand
<Yurik>
it is for alcohol-addicted people
<Yurik>
i drink it sometimes only i have no money :)
<Yurik>
s/only i/only if I/s
<Yurik>
not /s at the end, but /g :)) seems that I got my portion of first drinking today
<Yurik>
:)
* docelic
bought Russian Standard for his friend once... I was attracted by the ticket that was on the bottle: "for future and prosperity" :))
<Yurik>
docelic: :))
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<reltuk>
there's some pretty suprising $15 USD and under bottles out there
<reltuk>
you just gotta find them
<reltuk>
or read from people who have already spent the time...
<Yurik>
how much sosts beer in U.S. now?
<Yurik>
just curious
<seth_>
Yurik: depends on the beer.
<Yurik>
for 0.5l bottled (or can)
<Yurik>
i meen average beer
<Yurik>
s/meen/mean/g
<seth_>
Yurik: anywhere from $0.75 to $2.00, depending on the quality
<Yurik>
sorry for my sucked english again
<Yurik>
is Budwaiser (or how it is wrtten again :)) a good beer?
<seth_>
Yurik: no, Budweiser is awful.
<Yurik>
ok, so I'll continue w/ ukranian and european (austrian,deutsch) beer :)
<reltuk>
smart American's drink imported beer...
* Yurik
is a fan of the very good beer
<seth_>
Yurik: there are some good local beers, but they aren't exported.
<seth_>
Yurik: I think the main difference among beers is how old they are. Factory beer that sits in a can for months is never good.
<Yurik>
seth_: the equal situation is here. Ukraine manufactures a lot of different beer (in different traditions - slavic, west europenean and so on) but it is distributed mostly in Ukraine, Russia, Bielorussia and may be Poland and around
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<Yurik>
seth_: beer in glass rules, coz!
* Yurik
is going to buy on emore liter
<Yurik>
s/on e/one/g
<Yurik>
anyone wanna wine? :))
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<reltuk>
what's the best caml-mode for emacs?
* Riastradh
likes the Tuareg mode.
<reltuk>
I don't seem to be able to get it
<seth_>
reltuk: what do you mean by not able to get it?
<reltuk>
forbidden access for it's website
<reltuk>
at least what google returns as it's news source
<reltuk>
website I mean...
<seth_>
reltuk: maybe the site is still down, it was having trouble all weekend. I could email it to you.
<reltuk>
thanks for sending it...what's an out file?
<seth_>
reltuk: I'm not sure I understand the question.
<reltuk>
yeah, for some reason my archiver extracted a .out file instead of .tar
<reltuk>
but it still untarred
<seth_>
ok. you normally just do "tar xvjf name.bz2"
<reltuk>
yeah, 'cept I'm on windows
<seth_>
reltuk: still works. use cygwin
<reltuk>
well, yeah...but I don't use cygwin much
<reltuk>
sweet, totally works awesome
<reltuk>
wow...really awesome mode...
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