<< 24-03-2019 >>
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00:34:33I_Right_Ican anyone tell me off hand the nim syntax for incrementing a pointer address by size char(x)
00:35:26dom96I_Right_I: You should probably cast to an array and use the `[]` operator instead of doing pointer arithmetic
00:36:16I_Right_Ibut over cast the array size
00:36:50I_Right_Icast[ptr array[100000000,int]]
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00:44:08I_Right_Iso something like this ----> zeroMem(addr cast[ptr array[512,char]](readBuf)[i],len)
00:44:59I_Right_Iif 'i' is never larger then 511
00:53:55disruptekAraq: maybe that would allow nimble to layer over it explicitly, which would help adoption.
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01:35:46I_Right_Iso I've done a bit of testing and this thread pooled UDP socket library I wrote the other day seems stable...ish I am going to clean up the code maybe write a small game to go with it.
01:37:16I_Right_II have to give it to you guys nim is pretty cool.
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01:44:41ryukopostingbased
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02:48:15ryukopostingcheck out this gorgeous codegen https://dailyprog.org/f/md1v
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03:02:52sealmoveguys I am having issue with something
03:03:40sealmoveI use dumpTree to print AST, but when I use "*" I get an error (usually saying "wrong indentation")
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03:07:17sealmovegenerally when I get errors while using dumpTree, does this mean Nim can't parse the syntax, and that I can't use this syntax for my macro?
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07:26:06Araqarnetheduck: use rtarrays.nim
07:27:03Araqwell ... I mean use the ideas from rtarrays.nim for a SmallSeq[T] implementation
07:29:17Araqor put your recursion inside a GC_disable(); body; GC_enable()
07:29:43Araqso that the GC doesn't kick in your recursive case with an expensive conservative stack scan
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09:30:13planetis[m]sealmove: it means both, and usally it's a parser error, so you need to think of a different syntax
09:34:27planetis[m]and looks like you are having same problem with the export marker so take a look here: https://forum.nim-lang.org/t/4735
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09:35:59planetis[m]mind blown
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09:36:33Perkolhttps://bpaste.net/show/46e9d974678c I get this error, even though i specified the type. What to do?
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10:25:28leorizePerkol:
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10:26:13leorize& is not the address operator in Nim
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12:26:38Araqsealmove: https://github.com/b3liever/protocoled
12:26:55Araqb3liever already did what I tried to tell you :-)
12:28:55sealmoveHi, he showed me 2-3 days ago but I only understood his macro yesterday when I was thinking about what you said
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12:31:05sealmoveI've been thinking about exportation. In his macro the interface and implementation is 1 macro. Typically we want to be able to seperate those, so we can have the interface in 1 file and implementation in others?
12:34:15sealmoveAraq, btw b3liever is planetis in here
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12:56:43lf-araujoHi all, what libraries should I look for web scraping?
12:57:03lf-araujoSo far I found httpclient, are there others?
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13:03:11FromGitter<mratsim> @lf-araujo: https://forum.nim-lang.org/t/4731#29520
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13:03:56lf-araujothank you
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13:09:38sealmoveAraq: the closure pattern has its merits. It doesn't not expose hierarchies to the user.
13:10:34sealmoveThe concrete values are hidden well from the user, but I am starting to think that this is actually good.
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13:15:43sealmoveI mean, there are no hierarchies at all! I think this captures the meaning of an "interface" much better.
13:25:14FromGitter<raydf> Hello everyone
13:25:35FromGitter<raydf> how can i create a property for a object for handling union types?
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13:26:39FromGitter<raydf> found it https://forum.nim-lang.org/t/4496#28099
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13:36:55FromDiscord<Zireael> hm, is there another way of telling nim that I am using package x and y as dependencies apart from making my program (very very WIP) a package (by adding a .nimble file)? I don't want stuff published on nimble as it's very very early work, but I do need a way to make sure my users have the required dependencies...
13:47:48leorizeyou don't have to publish it
13:47:49leorizejust add a `.nimble` file and it should work
13:49:40FromDiscord<Zireael> great, thanks - I was under the impression a .nimble file made it automatically a package ;P
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14:01:04planetis[m]sealmove: there is another one here: https://github.com/andreaferretti/interfaced
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15:38:23Zevvwhy is it that repr does not simply use `$` where available? for example, I just noticed there is two different pieces of code for converting a seq[T] to a text representation?
15:42:46Araqrepr uses RTTI and the RTTI has no VTable entry for $
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15:47:21Zevvah ok, that makes sense, thanks
15:50:33Zevvbut then again, could `$` not delegate to repr where appropriate?
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16:01:37krux02Zevv you can overload `$` to use `repr` if you want that.
16:02:50krux02But I personally don't do that, I use `repr` for printing ast macros exclusively.
16:03:06krux02everything else is `$`
16:10:28ZevvI just happened to look at the set dumpers. I was trying to make sets with adjecent values print more friendly, so {3..50} instead of enumerating all members of the set. Then I found I need to do that twice
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16:51:28sokoshello i am having a problem. I tried installing different libraries for nim sdl/sdl2 and they all say that couldn't load SDL2.dll
16:51:38sokoswindows 10 64 bit
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16:52:12dom96sokos, do you have sdl2.dll in your path?
16:52:13krux02which sdl binding do you use?
16:52:54sokoswow thx for the quick response no i don't have sd2 in my path i didn't think that i should do that
16:53:01sokossorry trying it now
16:53:10krux02Zevv: sorry about that. ``repr`` is historical baggage. It is still there, it still works, but ``$`` basically replaced it.
16:54:47sokoswait i have sdl2.dll in C:\nim-0.19.4\bin which it is in my path should i have it like this "C:\nim-0.19.4\bin\sdl2.dll"?
16:55:21krux02you should put the dll next to the executable
16:55:46krux02it is abuot the library path (different from the PATH where the executables are)
16:56:25krux02with executable I mean your program executable not nim.exe
16:57:18sokosaaaaah thank you yes that worked i thought if i putted globally it should work too but its ok
16:57:56Zevvkrux02: no needs to apologize :) I was just wondering about the why, and this makes perfect sense
17:12:46I_Right_Isokos: Just wondering if you have every tried Raylib?
17:13:03sokosno is it good? i want to
17:13:28sokosjust another silly question the dlls have to be 64 bit ? or can they be 32?
17:14:09I_Right_Iif your making a 2d game raylibs awesome
17:14:31I_Right_II havent done 3d with it yet
17:14:43sokosi am making a copy of powder toy to learn nim better i have the basics ready but i want more
17:14:51sokosso i will give it a try now
17:15:27I_Right_Ido you know c?
17:17:21sokosyes and c++ not too advanced though just enough for pointers threads e.t.c
17:17:49sokosright now i was trying to use nico
17:17:50I_Right_Iokay I figured if you were good with sdl2
17:18:03sokosyesh
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17:18:37I_Right_Ibut just in case they were sdl2 nim tutorials you were going off from
17:21:12sokosi know the basics of sdl2 the problem is that for some reason windows 10 are slow to understand that the path variable has changed or there are more files there and sometimes when i was installing nim and trying to run nim/nimble it was saying it doesn't exist while paths were correct. after some time i just run it again and it works
17:21:25sokosso 80% a windows problem
17:28:31sokosyep its a windows problem everything works fine now btw i LOVE nim good work on making this incredible language
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17:38:26I_Right_Isokos: I think these are the bindings I used for raylib ---> https://github.com/r00ster91/raylib-Nim
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17:40:24sokosI_Right_I: wow I wish I knew that Raylib existed back then when I was learning sfml and sdl/sdl2 thanks still thought its really nice library
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17:43:24sealmoveplanetis: Wow, "interfaced" looks really cool! I still don't understand the business with VTable. Time to study it!
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17:44:15I_Right_Isokos: so the bindings that I used are ---> https://github.com/define-private-public/raylib-Nim
17:45:08I_Right_Ibut the other one I havent tried is a fork an seams to be more up to date
17:45:52sokoswill test them thank you
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17:49:14I_Right_Isokos: Also I have written a thread pooled UDP socket library in nim with a very simple interface. I should be publishing it in a few days, if you interested.
17:50:17sokosI don't think I will be at the moment but for sure in the future
17:53:14I_Right_Isokos: well happy coding!
17:54:04sokosyou too and everyone :D thank you for your help
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18:10:12FromDiscord<Skaruts> is it possible to make a proc that accepts an argument of unknown type?
18:11:08FromDiscord<Skaruts> I'm trying to make a callback functionality for ui buttons
18:14:11FromDiscord<Skaruts> and I'm thinking, anything could be thrown at a button for a callback... (or at least that how python made me think of it)
18:14:48FromDiscord<Skaruts> and I'm thinking, anything could be thrown at a button for a callback, alongside arguments of any type... (or at least that how python made me think of it)
18:22:38Araqcallbacks usually use closures
18:23:55Araqthat can capture stuff and hide it in the closure, type erasure
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18:32:04sealmovehey I have a simple question. what's the difference between `ref object` and `ref object of RootObj`?
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18:35:07Zevvha ha
18:35:43xacehahahaha
18:36:04sealmove:3 what?
18:36:11ZevvI wondered that for a long time, why does an object need to be of RootObj to be inheritable. I stopped using inheritance anyway :)
18:37:07ZevvAnd why {.base.}?
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18:37:34ZevvI believe Araq himself is not too happy with that as well
18:41:43sealmoveI haven't used objects much, so it was a genuine question :p From what you said, `of RootObj` means it becomes inheritable (it's not by default?). Well, if that's the case, maybe it's not that bad to be explicit about it.
18:43:07sealmoveI think documentation (Nim Manual) doesn't explain it clearly though
18:47:29FromDiscord<Skaruts> basically I'd like to store arbitrary functions in a sequence, and their corresponding arbitrary arguments in another, and call them whenever the button gets hit
18:48:44FromDiscord<Skaruts> that's how I did it in python
18:49:47FromDiscord<Skaruts> I just managed to make a test callback work in Nim, but I'm kinda confused about how to make something that resembled what I made in python
18:51:04FromDiscord<Skaruts> I just managed to make a test callback work in Nim, but I'm kinda confused about how to make something that resembles what I made in python
18:53:58sealmoveoh, krux explained vtable 3 years ago: https://forum.nim-lang.org/t/2422
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