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| 00:00:23 | perturbation | hey all |
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| 00:01:20 | perturbation | is there any support for range types with floats? (i.e., I want to have a float but restrict it to be between 0 and 1.0 for a 'probability' type?) |
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| 00:02:24 | flaviu | perturbation: Nope, but there's already a feature request in the issue tracker. |
| 00:02:39 | perturbation | <3 |
| 00:02:43 | perturbation | this is why I love Nim |
| 00:02:45 | perturbation | thanks flaviu |
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| 00:49:47 | cmk_zzz | I need to pass -lssl -lcrypto to the nim compiler. I.e I dynamically need to link to ssl, but I don't know how to. any pointers? |
| 00:50:54 | ldlework | cmk_zzz: nim --advanced |
| 00:52:44 | cmk_zzz | ldlework: Ah, ok. Thanks:) |
| 01:00:08 | def- | cmk_zzz: --passL:-lssl --passL:-lcrypto might do the trick |
| 01:01:12 | def- | or just -d:ssl ? |
| 01:05:42 | cmk_zzz | def-: Yes your first suggestion did the trick. I found it thanks to the --advanced options:). Now I just need to find out how to import types from C libraries. Perhaps I am doing it wrong but I need a few RSA functions from openssl which are not included in the wrappers, so I was just trying to call them using the header and importc pragma. But I need to pass a pointer to an RSA structure, but don't know how to get to it. (Sorry I am very new |
| 01:08:44 | def- | cmk_zzz: the best way would be to convert C headers into nim wrappers using c2nim |
| 01:09:16 | def- | if you have an RSA struct/object, the pointer of it is addr myRSA |
| 01:10:15 | def- | i haven't looked into the openssl wrapper, maybe it would make sense to just extend it with what you need |
| 01:11:16 | cmk_zzz | def-: Yes, I'll look into the openssl wrapper. It may be easier to do that then do something on your own. An openssl_evp wrapper exists to in nimble and it almost does what I want so perhaps extend one of these. |
| 01:12:27 | cmk_zzz | Anyway I'm pretty exited about nim having just found it, so if I just can get my crypto functions to work I'll definately start using it for lots of our testing at work |
| 01:13:09 | def- | sounds good, what kind of testing? |
| 01:14:44 | cmk_zzz | def-: It will act as a mock client for our server components (currently in python which is slow and hard to distribute) so will be used for functional testing and also as a load generation tool |
| 01:15:29 | cmk_zzz | I figure I can easily translate the python code to nim and get things fast + easy to send to people who needs it |
| 01:16:30 | cmk_zzz | I could use go but I don't like it :P |
| 01:21:50 | transfuturist | c2nim is a pain ;_; |
| 01:22:05 | transfuturist | i finally got the generated wrapper to compile, though |
| 01:22:10 | transfuturist | now to translate the demos |
| 01:23:44 | def- | transfuturist: nice headers work quite well with c2nim in my experience: http://hookrace.net/blog/what-makes-nim-practical/#wrapping-libraries-with-c2nim |
| 01:25:29 | transfuturist | freetype definitely does not have nice headers |
| 01:26:42 | transfuturist | by the way, your blog was how i found nim |
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| 07:35:49 | repax | Araq: I think =finalize seems more consistent than =finalizer, compared to =destroy, =deepcopy - which are all verbs |
| 07:40:14 | Araq | repax: yeah that was just a typo |
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| 08:25:26 | Arrrrrr | Is this an error? http://pastebin.com/YLdC01F3 |
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| 08:28:13 | Araq | Arrrrrr: looks like it |
| 08:28:43 | Araq | actually ... hrm |
| 08:29:09 | Araq | well yeah, interesting bug |
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| 08:34:21 | Arrrrrr | Thanks. Good morning. |
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| 10:21:22 | def- | Araq: I don't see how to improve https://github.com/Araq/Nim/pull/1960 |
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| 10:23:58 | Sharcho | How do I allocate a fixed size array with an unknown size? |
| 10:24:47 | def- | Sharcho: You can use a seq and not resize it |
| 10:25:51 | Sharcho | def-: will that have a similar memory efficiency to an array, i.e. no pointers for each item in it? |
| 10:26:28 | def- | a seq is a single block of memory on the heap, which you have a pointer to |
| 10:27:10 | Sharcho | def-: thanks |
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| 11:37:11 | federico2 | here's a stub of the use cases wiki page https://github.com/Araq/Nim/wiki/Nim-use-cases |
| 11:40:30 | yglukhov | Nim is great for scripts. I have used it to automate my clash of clans bot. |
| 11:40:34 | yglukhov | =) |
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| 11:42:49 | federico2 | yglukhov: while it's certainly more scriptable than other languages, would you really recommend it to replace Python/bash/makefiles to do system administration "chores"? Honestly we are not there yet |
| 11:43:21 | yglukhov | python - definitely. bash - maybe not yet. |
| 11:43:26 | yglukhov | make - definitely |
| 11:43:30 | yglukhov | we have nake, btw |
| 11:43:31 | yglukhov | =) |
| 11:44:00 | yglukhov | https://github.com/fowlmouth/nake |
| 11:44:57 | federico2 | yglukhov: keep in mind that the average script user/developer might be busy doing system eng. work and does not want to spend monts on learning a new language. Also, python/perl/bash are avaliable everywhere while a Nim compiler is not (yet) |
| 11:46:26 | federico2 | urgh DATWPL |
| 11:47:11 | BlaXpirit | horrible |
| 11:47:34 | BlaXpirit | some would say it makes the product completely unusable |
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| 11:48:25 | yglukhov | why? |
| 11:49:10 | yglukhov | BlaXpirit do you mean nake or datwpl? =) |
| 11:49:29 | BlaXpirit | datwpl makes nake unusable, in some people's opinion, whom i'd agree with |
| 11:49:46 | yglukhov | whats so bad about it? |
| 11:50:55 | BlaXpirit | maybe that it's a goddamn joke? |
| 11:51:36 | BlaXpirit | even if its contents were considered seriously, |
| 11:52:18 | BlaXpirit | it only allows to "DO AS THOU WILST" with the license file itself, and only if you "stumble upon it" |
| 11:52:24 | yglukhov | If it's really an issue, i don't think fowlmouth will mind changing the licence to whetever is cosidered seriously. MIT, BSD? fowlmouth, will you? |
| 11:53:42 | BlaXpirit | CC0 seems to be the best option for releasing to public domain. |
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| 11:54:30 | federico2 | generally speaking, why would you want to use a license that is written by someone who is *not a lawyer* in the first place |
| 11:55:05 | BlaXpirit | just carelessness or ignorance |
| 11:55:13 | yglukhov | are you serious guys? =))) |
| 11:55:37 | BlaXpirit | idiots who create joke licenses are the only ones to blame |
| 11:56:07 | yglukhov | what about the tool itself? if you find it useful, why not file a bug report on the license? |
| 11:56:23 | BlaXpirit | woops, sorry |
| 11:56:33 | BlaXpirit | looks like it's one-of-a-kind license |
| 11:56:35 | BlaXpirit | :p |
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| 11:57:35 | federico2 | yglukhov: ignoring BlaXpirit ranting for a second, I am. Silly licenses create a lot of complexity for companies that need to make sure that they are not in violation. |
| 11:59:33 | federico2 | ...and this hurts FOSS in general |
| 11:59:48 | federico2 | bbl |
| 12:00:02 | yglukhov | well, I'm almost sure fowlmouth doesn't care much about the license (just like I would not care), so we just need to ask him to change it =) |
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| 13:05:58 | Sharcho | Is there an easy way to get a random int64 (signed) from the random module? |
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| 13:11:49 | Sharcho | Sharcho: nevermind |
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| 13:17:14 | fowlmouth | i think it clearly says that you can do what you want with it? |
| 13:17:25 | fowlmouth | fork relicense idgaf |
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| 13:18:25 | fowlmouth | oh you say it only applies to the license itself |
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| 13:41:25 | HakanD__ | fowlmouth: why not change to mit/bsd/something, or just public domain? |
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| 13:46:30 | gokr_ | pd doesnt fly that well in all countries. |
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| 13:49:37 | fowlmouth | licenses are annoying |
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| 13:56:50 | HakanD__ | annoying, but necessary -_- |
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| 14:15:14 | xcombelle | hi everybody |
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| 14:18:56 | Araq | def-: how come? |
| 14:19:33 | def- | Araq: i don't understand what's going on there and what's wrong with it. Too much conversion magic |
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| 14:20:07 | Araq | well if you don't understand the PR, it's hardly good enough, is it ;-) |
| 14:20:25 | Araq | I too think it's convoluted |
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| 15:10:42 | fowlmouth | HakanD__, i'll change it to cc0 if gradha agrees |
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| 16:28:03 | BlaXpirit | Sharcho, are u still there? |
| 16:28:09 | Sharcho | BlaXpirit: yes |
| 16:28:18 | BlaXpirit | what random module are u talking about |
| 16:28:27 | BlaXpirit | and did u find your answer |
| 16:28:50 | Sharcho | BlaXpirit: I didn't, but I think I'll be alright with unsigned numbers for now |
| 16:29:00 | Sharcho | BlaXpirit: you modulee |
| 16:29:10 | Sharcho | BlaXpirit: your module |
| 16:29:10 | BlaXpirit | Sharcho, there is a way |
| 16:29:46 | BlaXpirit | randomInt(int64) |
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| 16:30:52 | Sharcho | Doesn't work for me, but maybe that's because I'm using @#old-compiler |
| 16:41:49 | BlaXpirit | Sharcho, oh I just realized "61 commits behind master" |
| 16:42:02 | BlaXpirit | yeah, that wasn't there :| |
| 16:42:19 | BlaXpirit | i wonder how difficult it would be to update it |
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| 16:44:42 | Sharcho | BlaXpirit: also it might be worth mentioning the old-compiler branch in the README, as it took me a while to figure it out |
| 16:46:05 | BlaXpirit | Sharcho, the main thing driving me against such changes is that the next release has been meant to be imminent for the last couple of months |
| 16:46:09 | BlaXpirit | what a mouthful |
| 16:46:38 | Sharcho | BlaXpirit: understood, anyway, it's no biggie |
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| 17:05:28 | BlaXpirit_ | nope, now i remember that there is no way to bring recent changes in nim-random to 0.10.2 |
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| 20:07:48 | Strikecarl | Guys |
| 20:07:58 | Strikecarl | I was messing around with "Streams" |
| 20:08:30 | Strikecarl | and when i do except: |
| 20:08:34 | Strikecarl | i get this error: |
| 20:08:35 | Strikecarl | e:\nim\nim.nim(8, 7) Error: 'except' expected |
| 20:08:49 | saml | except: label? |
| 20:09:12 | Strikecarl | source: http://pastebin.com/95EtxxGC |
| 20:10:02 | BlaXpirit_ | are u kidding -_- |
| 20:11:02 | Strikecarl | I honestly have no idea wtf i did wrong xD |
| 20:11:35 | Strikecarl | I sticked to the math part for to long. |
| 20:11:53 | saml | Strikecarl, check indentation |
| 20:12:05 | saml | things don't line up. after fixing indentation, it comiples |
| 20:12:27 | saml | try and except must line up |
| 20:15:34 | saml | I was thinking about manual memory management via checked exception. For example, compiler sees body of proc and sees new resource allocated but not freed. and there's no {.raises: [LeakError].} . and forces programmer to add that pragma to proc. caller of the leaking proc must catch and free. |
| 20:17:03 | Araq | saml: interesting idea |
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| 20:19:45 | saml | i wonder how easy it is for compiler to detect leak and warns programmer |
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| 20:22:50 | BlaXpirit_ | saml, isn't this similar to destructors? |
| 20:24:33 | saml | destructors can't leak into more than two scopes up? |
| 20:25:05 | saml | i mean, with exceptions, you can just do try { main() } except LeakError: gc() |
| 20:25:11 | saml | or something like that |
| 20:25:31 | saml | wait.. but probably i'm just confused |
| 20:25:56 | saml | cause LeakError.. isn't really raised runtime.. it's compile time flag to warn programmers |
| 20:26:33 | saml | i think resource leak stuff is not really exception |
| 20:28:22 | Sharcho | Is there a way I can get the compilation mode (release/debug)? |
| 20:30:10 | saml | nim c -d:release |
| 20:30:17 | saml | Sharcho, you mean from binary? |
| 20:30:50 | Sharcho | saml: yes, from nim the code |
| 20:32:15 | Sharcho | Is there a constant set or something? |
| 20:32:16 | HakanD__ | Sharcho: why do you want it? |
| 20:32:40 | fowlmouth | Sharcho, defined(release) or defined(debug) |
| 20:33:04 | saml | when defined(release): .... |
| 20:33:49 | Sharcho | HakanD__: I'm keeping benchmarking data, and I need to discard results from debug compilations |
| 20:34:01 | Sharcho | fowlmouth, saml: thanks! |
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| 20:35:22 | saml | https://gist.github.com/saml/9aae803abb8e2d2a5f84 Sharcho |
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| 20:38:14 | Sharcho | saml: thanks |
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| 20:44:41 | saml | i guess LeakedError could be thrown as proc returns to caller. but it's not really an exception.. because code should flow through |
| 20:45:18 | fowlmouth | what the fuck -_- |
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| 20:45:20 | saml | it's like finally that can cascade |
| 20:45:27 | BlaXpirit_ | [:25:30] <saml> probably i'm just confused |
| 20:45:31 | fowlmouth | inst2.alive: true |
| 20:45:31 | fowlmouth | inst2.alive == true: false |
| 20:45:31 | fowlmouth | inst2.alive == false: false |
| 20:45:57 | fowlmouth | what the fluck is happening here |
| 20:46:11 | saml | what's inst2.alive? |
| 20:46:15 | fowlmouth | bool |
| 20:46:24 | saml | do you ahve full code? |
| 20:47:15 | fowlmouth | saml, if you can debug this you deserve a medal https://gist.github.com/fowlmouth/73fcf0a36bfd1d224e1e#file-gistfile1-nim-L457 |
| 20:48:52 | saml | maybe c boolean vs. nim's boolean equality? |
| 20:49:47 | saml | try ord(inst2.alive) == ord(true) |
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| 20:52:02 | fowlmouth | i think this is a nim error |
| 20:54:44 | Araq | saml: obviously it's not an exception, but some other effect |
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| 20:57:35 | saml | it gets tricky though. a = newA(); b = newB(a); c = newC(a); free(c); return b; free(c) must not free(a), otherwise b.a is dangling pointer. |
| 20:58:17 | saml | this kind of analysis could be hard |
| 20:58:41 | fowlmouth | is* |
| 20:59:47 | Araq | saml: depending on what you're after it's turing complete, in others unsolvable |
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| 21:10:23 | Araq | *in other words |
| 21:12:48 | saml | i see |
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| 21:42:36 | Sharcho | How do I convert an int64 to a string? I'm getting an error when I do intToStr(1234'i64) |
| 21:44:46 | Araq | use $ like the rest of us |
| 21:47:41 | Sharcho | Araq: thanks |
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| 22:15:39 | fowlmouth | hm |
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| 22:15:49 | fowlmouth | its failing because the function is returning 108 instead of 1 |
| 22:17:08 | Araq | comparing via '== true' is retarded anyway |
| 22:17:21 | Araq | it's already a bool |
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| 22:17:55 | Araq | if (b == true) == true: echo "now, it's REALLY true" |
| 22:18:36 | fowlmouth | isnt this indicative of stack smashing |
| 22:18:46 | fowlmouth | or something horrible |
| 22:19:29 | Araq | why? I don't know your code but I bet it's full of |
| 22:19:43 | Araq | converter toBool(x: cint): bool = bool(x) |
| 22:19:47 | Araq | :P |
| 22:20:42 | fowlmouth | no this is what im working on atm https://gist.github.com/fowlmouth/73fcf0a36bfd1d224e1e#file-gistfile1-nim-L457 |
| 22:23:26 | Araq | yeah well |
| 22:23:35 | Araq | no idea if what you're doing is safe |
| 22:23:47 | Araq | all that casting and GCref'ing |
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| 22:34:01 | fowlmouth | fixed it^_^ |
| 22:34:56 | Araq | cool. how? |
| 22:35:10 | fowlmouth | the inner cast expression was wrong |
| 22:35:43 | Araq | told ya! ;- |
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| 22:37:14 | fowlmouth | well, the cast was either wrong or passing the wrong param, either way i fixed both things and it works |
| 22:38:50 | renesac | Araq: how I can make what I was doing the other day work more universally? |
| 22:38:52 | renesac | https://gist.github.com/ReneSac/912219fbf0cfc87f4440 |
| 22:39:34 | renesac | would taking a pointer to the first element of the set/array/string and then access it via an unchecked array work always? |
| 22:39:45 | thotypous | just did an experiment here: added -flto to gcc flags, and it reduced the size of the sample jester webserver from 256kb to 136kb on mips/openwrt target |
| 22:39:46 | renesac | except the gc safety issue |
| 22:40:11 | fowlmouth | renesac, figure out what operations you need to call on the seq then write a concept for it |
| 22:40:50 | renesac | fowlmouth: I want to access an slice of an string or seq as an normal seq |
| 22:40:58 | renesac | w/o copying |
| 22:41:15 | fowlmouth | i understand |
| 22:41:32 | renesac | how a concept would help? |
| 22:41:48 | Araq | I wrote .shallow for that, dunno why you cannot use that and call it day |
| 22:41:49 | renesac | it needs state (the base and top in my case) |
| 22:42:38 | fowlmouth | well if all you need to call on the seq is operations X Y and Z then any type that implements these operations can be used |
| 22:45:18 | renesac | I don't know how to use shallow in this case |
| 22:45:38 | renesac | type ShallowSeq {.shallow.} = seq ? |
| 22:45:47 | renesac | with [T] there maybe? |
| 22:47:03 | Araq | never mind, I misread your code, you don' t use the 'ref' at all |
| 22:47:10 | Araq | so what's the question again? |
| 22:47:27 | Araq | overload by var/non-var. non-var creates a copy. so what |
| 22:47:38 | renesac | it won't work for the string |
| 22:47:49 | Araq | why not? |
| 22:47:56 | renesac | the error is there |
| 22:47:59 | renesac | at the end |
| 22:48:19 | renesac | it seems to be sitting on const space |
| 22:48:36 | def- | thotypous: cool, you can also strip the binary afterwards if size matters |
| 22:49:08 | thotypous | def-: that's with it already stripped ;) |
| 22:49:28 | def- | thotypous: --opt:size? |
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| 22:49:46 | thotypous | yes |
| 22:50:03 | renesac | it would be cool if I could create an view out of those even if I can't modify their values |
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| 22:52:24 | Araq | renesac: you can, but you need to use a ptr for that then |
| 22:52:40 | renesac | hum |
| 22:52:51 | Araq | and now the string is not on const space, there is something different going on here |
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| 22:53:34 | renesac | well, the error is the same as the one for the seq on const space, but unlike the seq case, it won't fail at compile time anymore |
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| 22:54:41 | Araq | shallowCopy(result.data, cast[var seq[char]](data)) # I don't think this is correct |
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| 22:55:08 | Manabu | back |
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| 22:55:36 | Araq | you're not renesac |
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| 22:55:53 | Araq | shallowCopy(result.data, cast[var seq[char]](data)) # I don't think this is correct |
| 22:56:14 | renesac | hum |
| 22:57:01 | renesac | yeah, I don't know what the difference of string and seq[char] is, besides the \0 |
| 22:57:46 | Araq | there is none |
| 22:58:02 | Araq | but I think your 'var' is wrong in this cast |
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| 22:58:34 | renesac | I'm receiving a "var string" |
| 22:58:51 | renesac | can't 'var" be used this way in casts? |
| 22:58:51 | renesac | or should I use "ref"? |
| 22:58:57 | renesac | or what? |
| 22:59:12 | Araq | shallowCopy(result.data, cast[seq[char]](data)) |
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| 23:04:41 | Araq | fowlmouth: why don't we have marshal.nim at compile-time? |
| 23:05:02 | Araq | that's a seriously missing feature, staticExec doesn't cut it without that |
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| 23:05:25 | federico2 | anyone familiar with arduinos around? |
| 23:05:30 | fowlmouth | it just became possible |
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| 23:07:12 | Araq | fowlmouth: what do you mean? |
| 23:08:28 | renesac | yeah, it seems to be working now |
| 23:08:29 | renesac | thanks |
| 23:08:52 | renesac | maybe I will do something with ptr for const data too, but I think I'm set for now |
| 23:09:36 | renesac | ah, one more thing, how can I know from insde the code if bounds check is on or off? |
| 23:09:45 | renesac | I can only access the "release" or "debug" variables |
| 23:10:07 | renesac | but not a "boundChecks" variable, not even when I use --boundChecks:on |
| 23:10:30 | Araq | when compileOption("boundChecks") or something like that |
| 23:10:39 | renesac | hum |
| 23:11:21 | renesac | yeah, that is it |
| 23:11:43 | thotypous | on x86_64, nim compiler reduces from 1535576 to 1092472 with -flto |
| 23:11:47 | thotypous | both with -Os |
| 23:12:05 | thotypous | ah, sorry, forgot to strip :P |
| 23:12:13 | thotypous | its from 1211312 to 1092472 |
| 23:12:16 | thotypous | not so huge difference |
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| 23:13:54 | renesac | --opt:size? |
| 23:14:56 | thotypous | yes, --opt:size corresponds to -Os in gcc |
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| 23:16:44 | renesac | there are some threads onf the forum about this |
| 23:17:36 | renesac | and you can do some more extreme shrinking with --os:standalone, depending what your target use is |
| 23:18:38 | thotypous | nice, thank you :) |
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| 23:21:04 | thotypous | just for the record: you also need to pass -Os to the linker (besides -flto) with MIPS gcc, otherwise it does lto for speed (aggressive inlining) |
| 23:21:34 | Araq | I hope you use deadcodeelim:on too |
| 23:21:46 | Araq | or d:release |
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| 23:22:48 | thotypous | Araq: i'm using d:release, does it already activate deadcodeelim? |
| 23:22:55 | Araq | yup |
| 23:23:00 | thotypous | nice, thanks |
| 23:23:26 | thotypous | we shall see if i'm able to get a smaller executable than the original C++ one :P |
| 23:23:41 | Araq | def-: the bug has nothing to do with modules, just with the order in which the methods are declared |
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| 23:30:52 | Sharcho | Let's say I want to write a parallel file word count from a single large file. What would be the best way to do it? I suppose would need async io, and several workers. What would be the best approach? threadpool, channels or something else. Any similar examples? |
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| 23:37:19 | Araq | Sharcho: we dont know yet. I'd use the threadpool |
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| 23:43:59 | Araq | is it too late to break multi-methods and require the dispatcher method to be explicit? |
| 23:45:06 | Sharcho | I'm not sure I understand |
| 23:45:18 | fowlmouth | Araq, why would you want to do that |
| 23:45:43 | Araq | cause it is a pita |
| 23:47:15 | fowlmouth | the order of method declaration thing? |
| 23:47:23 | Araq | yes |
| 23:47:37 | Araq | you know this bug? |
| 23:47:48 | fowlmouth | where you have to define the highest type first |
| 23:48:00 | Araq | yes |
| 23:48:57 | Araq | actually I can detect this and make it a compile-time error at least for now |
| 23:49:10 | Araq | that's a good hack |
| 23:49:20 | fowlmouth | why is that a problem though? |
| 23:49:30 | Araq | well it's a bug |
| 23:49:38 | fowlmouth | is the first method declared decided to be the dispatcher? |
| 23:49:46 | Araq | kind of |
| 23:50:03 | fowlmouth | seems like the dispatcher should be created last? |
| 23:50:15 | Araq | it is |
| 23:50:27 | Araq | but it is *attached* to the first encountered method |
| 23:50:46 | Araq | which ... causes all sorts of problems |
| 23:51:40 | fowlmouth | they can't be separated? |
| 23:52:35 | Araq | never mind I'm an idiot |
| 23:52:48 | fowlmouth | lol ._o |
| 23:55:26 | fowlmouth | i looked at the generated c and they are in separate functions |
| 23:55:48 | Araq | that's not the problem, never mind |
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| 23:55:57 | Araq | the fix just looks totally different |
| 23:56:04 | Araq | I need to sleep, good night |
| 23:56:09 | fowlmouth | gn |