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| 07:01:41 | cheatfate | dom96, under linux or bsd you can control environment (background processes, cron'ed applications), but on windows or macos, you can always get some heavy task spawned while you testing... and you even dont know about it |
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| 10:27:12 | chemist69 | Hi, I want to use the ordinal value of an enum. From the tutorial I understood that `ord` would give me that and also the documentation states that `ord` returns an int (http://nim-lang.org/docs/system.html#ord,T). But in my example (https://glot.io/snippets/egcpoz8qqf), it seems to return a `range 0..3(int)`. What am I doing wrong? |
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| 10:30:48 | ndh | hello. where in the manual can i find out about "with" being a keyword. it's a bit hard to google. :/ |
| 10:30:50 | flyx | chemist69: I don't think you're doing anything wrong, that's just the way it is |
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| 10:31:27 | chemist69 | but shouldn't it ne an int? |
| 10:31:38 | chemist69 | *be |
| 10:33:04 | flyx | well I guess the documentation is just too general here. it makes sense that ord of some enum is a range type. similarly, a set of an enum type is a lot smaller than set[int] (if that would even be allowed) |
| 10:36:36 | flyx | ndh: I think `with` is just a reserved word and currently does not do anything |
| 10:39:16 | chemist69 | flyx: I see, thanks for explaining. |
| 10:46:33 | ndh | flyx: alright, thanks :) |
| 11:23:46 | euantor | chemist69: using `echo $unit.ord` prints "`" |
| 11:24:39 | euantor | And doing `let intUnit: int = ord(unit)` also works, so `ord` is returning an int |
| 11:25:09 | euantor | http://nim-lang.org/docs/system.html#ord,T |
| 11:25:09 | flyx | euantor: that's because the range type is implicitly convertible to int |
| 11:25:32 | euantor | Hm. THe docs specifically say it returns an int, so it's pretty odd |
| 11:28:09 | flyx | well, it's magic |
| 11:29:00 | euantor | True, just seems a little odd to me |
| 11:29:01 | flyx | there are multiple other occations where the given return type is not the actual return type because of magic |
| 11:29:30 | euantor | Yeah, those cases should really be documented though IMO |
| 11:29:50 | flyx | agreed |
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| 12:41:50 | ndh | with `sourceGroups: Table[string, seq[string]]` i'm using `var sourceGroup = sourceGroups.mgetOrPut(directory, @[])` then `for path in paths: sourceGroup.add(path)` to add to the sequence, but sourceGroups itself is not modified. am i not allowed to modify sourceGroup in place? |
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| 12:50:48 | Araq | ndh: use 'mitems' |
| 12:51:23 | endragor | ndh: `var foo = bar` always copies value of `bar` into `foo`. when a proc returns `var`, you can only modify return value within the same expression, for example: `sourceGroups.mgetOrPut(directory, @[]).add(paths)` |
| 12:55:34 | ndh | ok, that explains it. can i use a reference for this? |
| 12:56:06 | ndh | i didn't understand how i would use `mitems` here. |
| 12:56:46 | ndh | or can i rely on the compiler not to perform the mgetOrPut lookup multiple times? |
| 12:58:15 | ndh | other possibility: is there a canonical proc that adds an array to a sequence? |
| 12:58:33 | endragor | ndh: yes, `add`. The example I've shown should work for you |
| 12:59:08 | ndh | oh. yea it does, thanks |
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| 13:28:34 | yglukhov | Araq: could you please give me a hint? I've added a field `shouldBeFreed` to `PCell`, I'm setting it to true on my object where i think it should be freed. I'm expecting `markS` to hit such a cell and then do smth about it. But `markS` doesn't hit this cell. Is `markS` the wrong place for it? |
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| 13:28:59 | yglukhov | thats gc.nim i'm messing with |
| 13:29:52 | Araq | adding fields to PCell sounds dangerous |
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| 13:30:23 | Araq | are you sure you did that correctly? all sorts of things depends on PCell's layout and that it's 8/16 bytes |
| 13:31:03 | yglukhov | well, nothing crashes... and thats not a hello-world app. |
| 13:31:07 | Araq | better use an unused color instead |
| 13:31:53 | yglukhov | but is it correct to expect markS called on every alive cell? |
| 13:34:29 | yglukhov | Araq |
| 13:36:20 | PMunch | Oh hi yglukhov, do you know where this function went in the wrapper: https://wiki.libsdl.org/SDL_IntersectRect ? |
| 13:37:02 | yglukhov | PMunch: no idea. have you checked /dev/null? =) |
| 13:39:31 | PMunch | Haha :P |
| 13:40:01 | PMunch | I was just wondering if there was any idea behind it not being included. |
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| 13:41:04 | PMunch | Makes it a bit annoying to work with the SDL stuff as some of the functions are gone.. Is there some auto-generated docs for the sdl wrapper around by the way? I see the source is full of notations. |
| 13:42:46 | Araq | yglukhov: dunno, looks like it. |
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| 14:01:16 | ndh | Araq: is there a way to find out the absolute path of the translation unit (currently compiled .nim file) |
| 14:06:07 | kier_ | ndh: http://nim-lang.org/docs/system.html#currentSourcePath.t, |
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| 14:11:37 | filcuc | what's wrong with http://pastebin.com/5b1Eukgq |
| 14:11:54 | yglukhov | Araq: i'm observing some strange behavior with gc. i changed my experiment in such a way that i store PCell i want to debug globally. So no extra fields in PCell. i'm doing GC_fullCollect every second. Now i don't hit my cell in markS, nor in collectZCT. the finalizer never gets called. However. I'm hitting this cell a couple of times in gcMark during the FIRST collection. Subsequent collections are silent about it. |
| 14:12:00 | filcuc | 'spawn' takes a GC safe call expression |
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| 14:21:06 | ndh | kier_: thanks |
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| 14:28:50 | filcuc | no can point out how to further understand the span takes a GC safe call expression? |
| 14:35:50 | dom96 | filcuc: getContent isn't gc safe IIRC |
| 14:35:56 | dom96 | because it accesses a global var |
| 14:36:22 | dom96 | why are you putting it in a different thread? |
| 14:39:22 | filcuc | i'm just playing with spawn and i wanted to do a slow operation on a thread |
| 14:39:41 | filcuc | dom96: and the first thing i thought was to download a page or something over http |
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| 14:43:48 | filcuc | dom96: seems quite a natural thing to do.. |
| 14:50:54 | filcuc | is there an alternative? |
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| 14:52:12 | dom96 | We need to fix it so that it is GC safe |
| 14:53:24 | dom96 | this compiles https://gist.github.com/dom96/52cc744b513c80b3d499a8dd36ba155b |
| 14:54:35 | filcuc | dom96: i can confirm it |
| 14:54:43 | filcuc | dom96: works here thanks |
| 14:56:30 | fvs | hi, working on a simple posix callback timer. Code here: http://pastebin.com/B3WQ8zMy. The timer_setimer func requires 2 Itimerspec parameters. Howto set the second Itimerspec parameter to NULL in timer_settime func?. |
| 15:05:07 | Araq | modify the wrapper so that it also accepts a 'ptr' instead |
| 15:05:55 | yglukhov | Araq: should every cell reside in zct at all times? |
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| 15:06:16 | Araq | nah that would be horrible |
| 15:06:29 | Araq | zct = zero count table, aka the cells we think have rc == 0 |
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| 15:43:04 | yglukhov | Araq: is there a way to enumerate all cells? is it zct + decStack + tempStack? |
| 15:44:44 | Araq | the sweep phase does that. |
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| 15:49:40 | dom96 | Araq: should macros use typed/untyped instead of stmt/expr now too? |
| 15:49:50 | Araq | yes |
| 15:49:54 | dom96 | ok cool |
| 15:50:03 | dom96 | Might want to update the manual ;) |
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| 16:51:51 | ndh | is there no overload for safeAdd for this? `Error: type mismatch: got (seq[string], Array constructor[0..2, string])` |
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| 20:36:41 | yglukhov | Araq: i've enabled gcLog and now i crash in writeCell because filename of a cell is invalid. do you know possible reason? |
| 20:37:06 | yglukhov | linenumber is also garbage |
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| 21:56:15 | Araq | yglukhov: sorry, no idea. |
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| 21:57:41 | yglukhov | Araq: np, just found the problem. filename is not always initialized in `when leakDetector` |
| 21:58:20 | Araq | still hunting a leak? |
| 21:58:55 | yglukhov | yup |
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| 22:00:19 | yglukhov | well not that i'm really after this particular leak. just want to learn to find such things easily. |
| 22:01:33 | yglukhov | because sometimes they happen, and wasting even an hour, commenting chunks of code here and there is not really productive... |
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| 22:40:51 | Araq | yglukhov: I don't get bug #4065 |
| 22:41:07 | Araq | the 'xor' op does produce the same result |
| 22:41:18 | Araq | on both mac 64 bit and win32 |
| 22:41:59 | yglukhov | in compile time? |
| 22:42:09 | yglukhov | i mean, in the vm? |
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| 22:56:27 | Araq | the doAssert doesn't fail, yes |
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| 23:14:59 | yglukhov | Araq: what about js? |
| 23:15:20 | Araq | dunno, but I thought it's a VM bug |
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| 23:15:56 | yglukhov | it is. narrowing bug to be specific |
| 23:16:40 | yglukhov | narrowing negative int to 32bit while compiler is 64bit is incorrect |
| 23:17:43 | yglukhov | does that make sense? |
| 23:19:36 | Araq | how come it works for me? |
| 23:21:01 | yglukhov | maybe your compiler architecture matches target architecture? |
| 23:21:47 | yglukhov | if you're on mac64, try --cpu:i386 or js |
| 23:26:41 | yglukhov | good night |
| 23:26:45 | Araq | bye |
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