<< 17-01-2016 >>
00:00:51Araq_apotheon: LLVM iirc has something like memset_s which you can wrap in 1 line to gain access to it.
00:01:14Araq_and please don't use the term "memory safety" for that, it has not much to do with memory safety
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00:10:04Araq_interesting, protecting a shared table by a lock means even read accesses need to take it by 'var'
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01:35:34apotheonAraq_: Thanks.
01:35:50apotheonAraq_: . . . and yeah, "memory safety" was definitely a poor choice of phrasing.
01:36:29apotheonAraq_: I blame it on the fact I'm sick right now, and my sinuses are full of sludge that threatens to crowd my brain out of my head.
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13:21:55dom96Anybody wanna implement Nim in Minecraft? https://www.youtube.com/watch?v=t4e7PjRygt0
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15:17:12reactormonkdom96, basic interpreter in minecraft?
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16:13:22Salewskifor d in items(if color == White: PawnDirsWhite else: PawnDirsBlack) # with PawnDirs is array of int as [0,1,2]. I had the feeling that this syntax may work, but intentionally not?
16:14:24reactormonk... as in, it's an interpreter written using minecraft blocks, or just an addition so you can use basic in minecraft?
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16:17:00dom96reactormonk: the former
16:17:05dom96it's in vanilla minecraft
16:18:06reactormonkWe could write a nim compiler that targets minecraft and then use that to compile the compiler into minecraft. Might be dead slow.
16:18:21SalewskiOK, works, I forgott the : at end of line. Sorry.
16:20:45SalewskiAnd even this syntax seems to work: for d in if color == White: PawnDirsWhite else: PawnDirsBlack:
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16:39:11SalewskiC1 = 0; C2 = 1; C3 = 2; C4 = 3; C5 = 4; C6 = 5; C7 = 6; C8 = 7 # is invalid in const section? So we need 8 lines for this?
16:41:22Araq_Yeah. Or you try to use an enum.
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16:45:13SalewskiOK. Yes enum may be an alternative. But I was surprised, code expressions can exist on the same line when separated by ; but that is not valid for constants.
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16:47:01derkaHi Guys, i just discovered Nim yesterday night, I usually code in Python and C, and I think I already love Nim
16:47:05derkaI got a quick question
16:47:22derkahow can i dynamically generate methods at compile time
16:48:09derkaby that i mean how can i have code that generate code at compile time
16:50:54Salewskiconst yy = 7; const zz = 66 # that seems to work!
16:54:45Araq_derka: with templates and macros or perhaps generics.
16:55:20derkaok Thanks Araq will go through this
16:55:23Araq_Nim has the most advanced compile-time features afaict
16:55:55Araq_Salewski: yeah why wouldn't it. ; is a statement separator, not a "within const section" separator
16:59:03SalewskiAraq: Not really a problem for me. But I assume some people may really like to have many constants in one line, for instance in numerical mathematics. Maybe I am wrong. I was surprised, other beginner may be surprised too.
17:02:58derkaThanks Araq_ just found out a good example of what i need with macro “Generating source code”
17:04:48dom96Araq_: I just tried 'const a, b, c = (0, 1, 2)' which doesn't work, but works for 'var' and 'let'. Is there a reason for this?
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17:28:16xyz___Hi
17:28:32xyz___how do I return an array from a proc?
17:35:55dom96proc foo(): array[2, int] = return [1,2]
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17:41:57xyz___dom96: and if I don't know the size?
17:42:05xyz___is that possible?
17:42:51xyz___dom96: for example proc readBytesFromDevice* (deviceHandle: File, memoryAddress: byte, length: Natural): openArray[byte] =
17:43:01dom96then use a sequence
17:43:11dom96'openarray' is only appropriate in proc parameters
17:43:18xyz___ok
17:43:23xyz___I will try that
17:43:24dom96a sequence is a dynamic array
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17:54:43yutahi
17:55:19dom96hello yuta
17:56:11yutaI have question about multiple comment to implement highlight feature for emacs
17:56:42yutaWhat happen if user typed "###["?
17:57:29yutasingle doc comment or multi line doc comment?
18:01:29dom96Araq_: ^
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18:09:49Araq_yuta: single line comment
18:10:08yutaOh, thanks Araq
18:10:21Araq_and note that I'm reworking them right now
18:13:41yutaI see. I'll wait official information.
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18:22:28yutaI saw "if {| (let..." in nim manual, but I couldn't compile it
18:23:36yutaIs that {|...|} style still supported? (if statement section)
18:27:14Araq_these brackets only denote scoping
18:27:19Araq_they are not valid Nim code.
18:27:32Araq_and I'm pretty sure the manual explains that :P
18:27:52dom96indeed "For visualization purposes the scopes have been enclosed in {| |} in the following example"
18:33:14yutaoops, sorry I didn't check well
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19:40:26ldleworkIt kinda seems like `$` should take a lower precedence than `.`
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19:45:53Araq_echo $that.is.crazy.talk
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19:49:54ldleworkAraq_: you mean
19:49:59ldleworkecho $(that.is.crazy.talk)
19:50:26Araq_that's how it is parsed, yes
19:50:45Araq_and that's much more useful than ($that).is.crazy.talk
19:56:58ldleworkAraq_: I'm seeing it the other way
19:57:06ldleworkI said $ should have lower precedence
19:57:10ldleworknot higher.
19:57:50Araq_lower than '.'? well that's what is done already
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20:29:26ldleworkAraq_: I think I have a ~370 standalone reproduction
20:29:33ldleworkline*
20:29:57Araq_cool.
20:30:26ldleworkAraq_: how do you want it
20:30:45Araq_report it as a bug.
20:31:09Araq_with a bit of luck I don't have to read your code. :-)
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20:35:43ldleworkyeah hopefully
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20:47:12ldleworkwtf, github.com wont let me attach a nim file?
20:47:18ldleworkUnfortunately, we don’t support that file type. Choose Files Try again with a PNG, GIF, JPG, DOCX, PPTX, XLSX, TXT, PDF, or ZIP.
20:48:12dom96attach? Why don't you just paste it in?
20:50:22ldleworkIts like 370 lines?
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20:52:08ldleworkhttps://github.com/nim-lang/Nim/issues/3729
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21:36:32PppppppThis is probably something really simple, but I can't tell why this is throwing an exception: http://paste.scratchbook.ch/view/f32c1221#L10
21:36:46PppppppIt looks fine to me based on the example here: http://nim-lang.org/docs/htmlparser.html
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21:38:32def-Ppppppp: in line 10: let val = "value" in inputTag.attrs
21:38:58def-oh, actually: let val = inputTag.attrs.hasKey("value")
21:46:42PppppppYeah, that did it. Thanks. If there is no value, and I wanted to substitute it with "", what would I use? getOrDefault?
21:46:59def-Ppppppp: right
21:48:22PppppppAnd what would that be? let val = inputTag.attrs.getOrDefault("value")?
21:48:33PppppppI'm still getting a KeyError with that.
21:48:34def-getOrDefault("value", "")
21:48:53PppppppOh, figures it would be something really simple like that.
21:48:54def-sorry, no
21:49:05def-I should look at the module before answering
21:49:56Ppppppp% useEmpty?
21:51:34def-Ppppppp: are you sure you get the exception with getOrDefault? I think it's in another line
21:51:53def-so you might want to replace the other attrs[] accesses with attrs.getOrDefault("foo")
21:55:10PppppppYeah, it looks like that was it. I had changed attrs["value"] to attrs.getOrDefault("value"), but it doesn't look like I changed attrs["name"] to attrs.getOrDefault("name")
21:55:29PppppppSo really simple/stupid mistakes on my part.
21:56:07PppppppThanks for the help, much appreciated.
22:01:50def-you're welcome
22:02:21ldleworkI can't seem to trick the VM into not SIGSEV'ing for this line :>
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22:35:57dom96Araq_: openarray is still an illegal capture inside a closure (/iterator)? :(
22:36:26Araq_why wouldn't it?
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22:39:20dom96why is it an illegal capture?
22:41:18Araq_because openarray lives on the stack. always (kind of)
22:42:58dom96It means that async procs can't support openarray
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22:50:26Araq_yes. they cannot.
22:50:41Araq_all we can do is to convert it to a 'seq' under the hood
22:51:05Araq_and that's a cool solution until the dom96 from the future complains about async's poor performance
22:51:28dom96heh sure
22:51:57ldleworkfor value in r.c.mvalues(): # sigsev
22:51:59ldleworkvar c = r.c; for value in c.mvalues(): # no sigsev
22:52:05ldleworkhehe found a workaround.
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22:55:39Araq_ldlework: raping my VM again? ;-)
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22:56:01ldleworkhehe this is the same issue in mentioned in the github issue
22:56:11ldleworkbut I couldn't figure out a way to get it to not sigsev for a couple hours
22:56:22ldleworkthought I was gonna be blocked, phew
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22:57:14ldleworkI should probably put comments to all these "rewordings" so I can go back and write them more naturally later
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