<< 14-08-2015 >>
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00:25:59NimBotnim-lang/Nim devel 2f721f0 Araq [+0 ±4 -0]: 'parallel' now requires --experimental mode
00:25:59NimBotnim-lang/Nim devel 2299318 Araq [+0 ±3 -0]: toplevel .closure procs are deprecated
00:25:59NimBotnim-lang/Nim devel dd0acfd Araq [+0 ±1 -0]: todo.txt update
00:25:59NimBotnim-lang/Nim devel 134c44f Araq [+0 ±2 -0]: refs #2973; manual contains almost all pragmas now, few are left in the compiler guide
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02:44:42Xedom96: https://i.imgur.com/hjHtwK8.png the Content-Type in the reply is text/html
02:45:57Xeoh wait
02:46:00Xehmm
02:47:09Xenever mind
02:47:11XeI did it wrong
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12:18:17Araqhi Ohtotasche welcome
12:21:54OhtotascheHi Araq, thanks
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13:00:03Jehan_Araq: The bug with reversed is that a.high becomes -1 for an empty sequence and the reversed(sequence, first, last) call requires first and last to be natural numbers. Do you want a special case for the empty sequence for reversed(sequence) or extend reversed(sequence, first, last) so that last can be -1?
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13:16:44Jehan_Nevermind, just made a decision myself and submitted a PR. :)
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13:41:05federico3is there an equivalent of execve?
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13:55:39Jehan_federico3: What do you mean?
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13:59:37federico3executing an program without forking
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14:11:11Araqosproc doesn't use fork if your OS supports it
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14:21:37federico3but it starts a new process in any case?
14:21:54Araqsure
14:22:18federico3I want to terminate the execution of the Nim application
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14:36:25Jehan_federico3: posix.execve exists. It just doesn't work on platforms that don't have it.
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16:14:01NimBotnim-lang/Nim devel 22789a8 Reimer Behrends [+0 ±1 -0]: Fix exponentiation operation to avoid overflow.... 4 more lines
16:14:01NimBotnim-lang/Nim devel 769e0e3 Dominik Picheta [+0 ±1 -0]: Merge pull request #3214 from rbehrends/fix-exponentiation... 2 more lines
16:17:43NimBotnim-lang/Nim devel 2f8d4c1 Yuriy Glukhov [+0 ±1 -0]: Fixed compilation of times module with JS.
16:17:43NimBotnim-lang/Nim devel bb2aa24 Dominik Picheta [+0 ±1 -0]: Merge pull request #3213 from yglukhov/times-js-fix... 2 more lines
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17:46:24dom96I like the idea of crater: http://blog.rust-lang.org/2015/08/14/Next-year.html
17:46:34dom96We need an equivalent for Nimble packages.
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17:51:57Jehan_dom96: For that to work, packages need to be able to specify how to test them (especially libraries).
17:52:19dom96Jehan_: you're right
17:52:32Jehan_That, however, should be easy.
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17:53:26Jehan_I would personally be in favor of both a "build" and a "test" option in Nimble files.
17:54:08Jehan_The first would allow you to override "nimble build" with a shell command, the second would supply a shell command for how to test the project.
17:54:24Jehan_Which should usually be "nim c -r something" for either.
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17:56:17Jehan_Another concern I also have is security.
17:56:23Jehan_E.g.: https://blog.liftsecurity.io/2015/01/27/a-malicious-module-on-npm
17:56:35Jehan_That's about npm, but it really applies to _any_ package manager.
18:10:32dom96Jehan_: Solving security issues sounds challenging.
18:10:46Jehan_dom96: It's definitely not trivial.
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18:57:58ArrrrI like the idea of incremental compilation
18:58:13ArrrrWill nim has it one day?
19:00:17Jehan_Arrrr: the basic mechanism already exists, it's just currently broken (used to work, though).
19:00:57Jehan_There are also some things that need to be improved with respect to C code generation to make it more reproducible.
19:02:11ArrrrThat's a relief. When did it broke?
19:04:15Jehan_Umm, some time last year? I don't remember.
19:05:25Jehan_Arrrr: You can try with --symbolFiles:on, but I think it's still broken.
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19:06:21Demosnobody has written a project large enough for them to be motivated to fix it :D
19:06:28Demosnim compiles pretty fast
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19:09:58Jehan_Demos: Yeah, pretty much that.
19:10:15Jehan_Once you hit a few hundred KLOC, it does start to get slow, however.
19:11:20Demoshow big is the compiler
19:11:26Demosprobably a few 10s of kloc
19:11:41Jehan_40-50 KLOC last I looked.
19:12:50Jehan_About 42k (i.e. without blank lines and comments).
19:12:56Arrrreverytime i have to compile something, it takes at least 30 secs, up to 50 secs. Im used to java, where it hardly takes more than 3 secs
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19:13:37Demoswowah, how big is your project?
19:14:03ArrrrMaybe is because my computer is slow
19:18:25Jehan_Arrrr: Huh, that is very odd, unless you have a lot of compile-time evaluated code.
19:19:18Jehan_Compiling from scratch can sometimes be slow because the generated C code has to be compiled at least once.
19:19:50Jehan_But unless the C files completely change, recompilation should be pretty fast.
19:20:08Demosif you don't use -d:release when you build the compiler things can get super slow
19:20:43Arrrri just use koch boot
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19:21:25Demoskoch boot -d:release
19:21:27Demosdo it
19:21:29Demosit will help
19:21:31Demosa lot
19:21:42Arrrrnice suggestion, i'll try it and report
19:22:57Arrrri think i used to use that switch, but then i saw it was included in the cfg file
19:23:19Arrrrbut i may be wrong
19:23:51Jehan_Arrrr: It's not in the .cfg file for the compiler, AFAIK.
19:25:19Arrrrthat would explain a lot
19:31:09ArrrrDamn, now after the first compilation, it took only 5~ seconds! Thank you Demos and Jehan_
19:31:19ArrrrThis will save me a lot of time
19:31:22DemosArrrr: cheers!
19:31:32Demosdem optimizations :D
19:31:48Jehan_Still, 5 seconds is a lot (unless it's a fresh compile). 5 seconds is what incremental compiles of the compiler itself take for me.
19:32:23ArrrrI have only one core with 1.7 ghz
19:32:32ArrrrThat switch should be on by default
19:32:39Jehan_Ah, but still ...
19:33:19Demosthat switch is in the documentation
19:35:18ArrrrJehan_: '37793 lines compiled; 4.141 sec total'
19:35:38Jehan_Okay, for that size project it makes sense.
19:36:41ArrrrIm happy now, i dont know why it took me so much time to realize it was compiling the code very slow. Again, thanks, now i have to leave
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