»ö« Welcome to Perl 6! | perl6.org/ | evalbot usage: 'p6: say 3;' or rakudo:, or /msg camelia p6: ... | irclog: irc.perl6.org or colabti.org/irclogger/irclogger_logs/perl6 | UTF-8 is our friend! Set by moritz on 22 December 2015. |
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Geth | doc: bff42f80b1 | (Zoffix Znet)++ | 3 files Rename `.parse-names` to `.uniparse` The original name existed only as a 6.d proposal and it was decided to align its name with other `uni*` routines for actual 6.d. The `.parse-names` method continues to exist in Rakudo impl. It'll issue deprecation warning in 6.d and will be removed in 6.e Rakudo impl: github.com/rakudo/rakudo/commit/2a8287cf89 Spec: github.com/perl6/roast/commit/3efe6cb8da |
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Geth | doc: cdeb6dc786 | (Zoffix Znet)++ (committed using GitHub Web editor) | doc/Type/Str.pod6 Reword - better explanation of "speculative 6.d" - mention method exists only in Rakudo impl |
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synopsebot | Link: doc.perl6.org/type/Str | ||
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Geth | doc: 6c5e0cad9c | (Zoffix Znet)++ | doc/Type/Str.pod6 Mention uniparse() does not do \c[] decimal magic |
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synopsebot | Link: doc.perl6.org/type/Str | ||
tyil | [eagerly awaiting the new perl 6 advent post] | 00:57 | |
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Zoffix | Don't see one scheduled. I know [Coke]++ was working on one and lizmat++ said [Coke]++ could swap hers to today's spot, if he needed more time. | 01:02 | |
titsuki_ | hi #perl6. I have a question. | 01:22 | |
Are there any good examples or modules for handling wikipedia recent change api( www.mediawiki.org/wiki/API:Recent_...ges_stream )? | |||
I found EventSource::Server( github.com/jonathanstowe/EventSource-Server ) but couldn't find a Perl6 version of EventSource (e.g. codepen.io/ottomata/pen/VKNyEw/). | 01:23 | ||
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Zoffix | .seen [Coke] | 01:27 | |
yoleaux | I saw [Coke] 21 Dec 2017 21:35Z in #perl6-dev: <[Coke]> If fosdem has no registration, how do organizers know if there's room? | ||
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Zoffix | Plan to pop lizmat++'s post into today's spot in 32 minutes, unless [Coke] chimes in. | 01:28 | |
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Zoffix | Reviewing 6.d spec commits and stumbled onto my own PR from the time when I didn't even have a roast commit yet S#92 | 01:52 | |
synopsebot | S#92 [closed]: github.com/perl6/roast/pull/92 Test more values in is-prime sub | ||
Zoffix | Really weird feeling :} Pretty amazing how much a human brain can change in 2 years to be a total n00b and then be able to judge those commits later | 01:53 | |
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Zoffix | .tell [Coke] we didn't see you around and with 2hr past post's due time, I went ahead and re-scheduled lizmat++'s post to be in your spot; so yours is 24th now. I hope that's OK. perl6advent.wordpress.com/2017/12/...-perl-6-d/ | 02:01 | |
yoleaux | Zoffix: I'll pass your message to [Coke]. | ||
Zoffix | .tell lizmat I didn't see [Coke] around for when his post was meant to go up, so I re-scheduled yours. Hope that's OK. perl6advent.wordpress.com/2017/12/...-perl-6-d/ | ||
yoleaux | Zoffix: I'll pass your message to lizmat. | ||
lookatme | o/ | 02:04 | |
Zoffix | \o | ||
[Coke] | tyil, Zoffix, just wrapping mine up now, could use some eyeballs. | 02:15 | |
yoleaux | 00:05Z <lizmat> [Coke]: my blog post is ready for publication: if you need more time for yours, please feel free to swap mine for yours | ||
02:01Z <Zoffix> [Coke]: we didn't see you around and with 2hr past post's due time, I went ahead and re-scheduled lizmat++'s post to be in your spot; so yours is 24th now. I hope that's OK. perl6advent.wordpress.com/2017/12/...-perl-6-d/ | |||
tyil | [Coke]: will read | ||
[Coke] | ... or that works. :) | 02:16 | |
tyil: rewriting the very end right now, but here: | |||
tyil | [Coke]: the first sentence after Tweaking objects at creation has a comma which makes the sentence read a little weird to me | 02:17 | |
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tyil | [Coke]: "is that there is B implicit locking on shared variables", is that B intentional? | 02:18 | |
Geth | doc: 13b934d2ff | (Zoffix Znet)++ | doc/Type/DateTime.pod6 Add to DateTime.later/.earlier - Note behaviour with leap seconds spec: github.com/perl6/roast/commit/66d29b7aa8 - Note negatives work with `earlier` - Change links to work on routine-specific pages too, not just the type pages |
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synopsebot | Link: doc.perl6.org/type/DateTime | ||
Zoffix | Ntive English speakers: "Negative offsets are allowed, though L<earlier> is more idiomatic for that." <-- should that "though" be "although"? | 02:20 | |
That's from the DateTime.later and DateTime.earlier docs | |||
*Native | |||
[Coke] | ... locking on shared variable? | ||
I think you're not reading mine. | |||
mine is gist.github.com/coke/692ab4dd8d758...3afe235882 | 02:21 | ||
... Although I've written this to end with "I didn't finish because hard" (but still had an advent post out of it)... now I'm going to have to see if I can get further. :| | 02:22 | ||
geekosaur | Zoffix, technically 'although' is correct; colloquially, 'though' is often used | ||
so it's a question of how formal/high-falutin' you want the docs to sound :p | 02:23 | ||
Zoffix | thanks :) | 02:24 | |
I'll leave it be | |||
tyil | [Coke]: "If you want get a report of what has been", missing a "to" in that sentence? | ||
oh | |||
OH | |||
sorry | |||
I thought you did the one that just went live | |||
Zoffix | it's lizmat's | 02:25 | |
tyil | this is for lizmat, no | ||
[Coke]: I dont have an account to the perl 6 advent blog, so I cant proofread yours :( | |||
lizmat: check some of the comments I just left for [Coke], since it was secretly your post all along | |||
Zoffix | tyil: <[Coke]> mine is gist.github.com/coke/692ab4dd8d758...3afe235882 | 02:28 | |
tyil | yeah | ||
just found it in between the other text | |||
[Coke]: enthusiasm is misspelled | 02:29 | ||
[Coke] | Updated with a closer. | 02:30 | |
tyil: fixed | 02:31 | ||
tyil | "under two minutes; A step back", the a should be lowercase here I believe | ||
[Coke] | I haven't pushed the repo yet; if I don't have to go until the 24th, then I will take the opporunity to clean it up. | ||
tyil | or the ; should be made a . | ||
[Coke] | tyil: fixed. | 02:32 | |
(added the main lib file to the secret gist for folks to poke at.) | 02:33 | ||
Zoffix: thanks for covering for me; I had mentioned earlier (perhaps elsewhere) that I was aiming for midnight local time; I'm happy for the extra 2 days, though, maybe I can finish the damn module. :| | 02:34 | ||
Zoffix | Ah. I missed that :) | 02:35 | |
[Coke] | it's all good. | ||
tyil | "private methods (noted with ", shouldn't this be "denoted with"? | ||
geekosaur | it's liek the 'though'/'although'; I mentioned earlier | 02:36 | |
tyil | "so I added a gist method (which is called when an object is output with say.", missing a ) here | 02:37 | |
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tyil | and the code block below that has a trailing ', which doesn't look correct to me | 02:37 | |
tyil is done | 02:39 | ||
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[Coke] | denoted is better, switched; fixed other stuff. Thanks! | 02:45 | |
tyil++ | |||
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tyil | :> | 02:50 | |
glad to help~ | |||
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TreyHarris | m: say | 03:33 | |
evalable6 | (exit code 1) 04===SORRY!04=== Argument to "say" seems to be malformed at /t… |
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TreyHarris, Full output: gist.github.com/bf4c6cbf7865ab26bd...a0d0514fee | |||
TreyHarris | m: note | ||
evalable6 | Noted | ||
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TreyHarris | why the difference? | 03:33 | |
m: for &say, ¬e { .signature.say } | 03:34 | ||
evalable6 | (| is raw) (| is raw) |
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TreyHarris | m: for 1..3 { .say }; for 1..3 { .note } | 03:35 | |
evalable6 | 1 1 2 3 2 3 |
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TreyHarris | m: for 1..3 { note } # unsurprising | ||
evalable6 | Noted Noted Noted |
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geekosaur | say is special cased in a number of ways | 03:46 | |
I *think* that is left over from killing the dumb perl 5 warning that used to be on it? | |||
TreyHarris | ah | 03:47 | |
geekosaur | (because perl 5 programmers would expect it to default to $_) | ||
TreyHarris | thanks | 03:48 | |
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Zoffix | That looks a bug to me. Filed as R#1327 | 03:57 | |
synopsebot | R#1327 [open]: github.com/rakudo/rakudo/issues/1327 `say` in some case throws malformed arg instead of P5ism error | ||
Zoffix | TreyHarris: these are basically us trying to spot usage of stuff that's very likely wrong because the user meant something else (like printing $_, like it happens in Perl 5). These are the routines we watch for. the "1" after name means it's a Perl-5-ism and "2" after the name means it's a Perl-6-ism: | 03:59 | |
github.com/rakudo/rakudo/blob/1f99...3440-L3446 | |||
Zoffix drops to bed | 04:01 | ||
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geekosaur | yes, I was implying as much. the warning was removed but nobody implemented the underlying behavior in place of the warning, basically | 04:03 | |
since it was considered 'nonsensical' the code just bailed in that case. but without he warning it should at least do something nicer than that error | 04:04 | ||
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buggable | New CPAN upload: PDF-Font-Loader-0.1.5.tar.gz by WARRINGD cpan.metacpan.org/authors/id/W/WA/...1.5.tar.gz | 04:18 | |
piojo1 | Do you think this is common enough to warrant an example in the docs, and would you say this is correct?: | 04:19 | |
To initialize a private attribute via the `new` method, adding that attribute to the TWEAK submethod signature will initialize it without interfering with other attributes' initialization. It is a better practice than using BUILD: | |||
submethod TWEAK(:$!x) { } | |||
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lookatme | m: say ¬e.candidates | 04:58 | |
evalable6 | (sub note () { #`(Sub|94342156775592) ... } sub note (Junction:D \j) { #`(Sub|94342156775744) ... } sub note (Str:D \x) { #`(Sub|94342156775896) ... } sub note (**@args is raw) { #`(Sub|94342156776048) ... }) | ||
lookatme | m: say &say.candidates | ||
evalable6 | (sub say () { #`(Sub|94521467668920) ... } sub say (Junction:D \j) { #`(Sub|94521467669072… | ||
lookatme, Full output: gist.github.com/65d750003875dae9f0...bdfa9938f5 | |||
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piojo | m: my Int @a; @a := my Int @b[2]; | 07:22 | |
evalable6 | (exit code 1) Type check failed in binding; expected Positional[Int] but got Array[Int] (Array[Int].new(:shape...) in block <unit> at /tmp/VB7H037Sn9 line 1 |
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piojo | Should one-dimensional shaped arrays [::T] be considered Positional[::T]? Or is that undesirable for other reasons? | 07:23 | |
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Geth | doc: 07b4c3f7cc | (Luca Ferrari)++ | doc/Language/5to6-nutshell.pod6 Use non breaking spaces. As reported by zoffixznet <github.com/perl6/doc/issues/1719> it is better to use non-breaking spaces when dealing with Perl 5|6 to ensure the version number does not wrapped onto a new line. Fixed also a missing whitespace between two words. |
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synopsebot | Link: doc.perl6.org/language/5to6-nutshell | ||
doc: c72256a97e | (Luca Ferrari)++ | 4 files Merge branch 'master' of github.com:perl6/doc |
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Geth | doc: 5ff070e749 | (Luca Ferrari)++ | STYLEGUIDE.md Add a section about non-breaking spaces. As pointed out in <github.com/perl6/doc/issues/1719>, it would be better to use NBSP when dealing with 'Perl 5|6'. I believe the STYLEGUIDE is the right place since it already references some concepts related to Perl 5 (and 5to6) documents. |
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Geth | doc: 6b9d861d84 | (Luca Ferrari)++ | STYLEGUIDE.md Reword about issue #1719. |
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Geth | doc: 5a9d1cf8e5 | (Luca Ferrari)++ | doc/Language/faq.pod6 Remove double '.' at the end of a sentence. |
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synopsebot | Link: doc.perl6.org/language/faq | ||
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fluca1978 | rakudo: say 3; | 10:09 | |
moritz | m: say 3; | ||
evalable6 | 3 | ||
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moritz | fluca1978: our usual evalbot has gone MIA :( | 10:10 | |
fluca1978 | m: my $a = 'Foo'; my $b ::= $a; $b.say; | ||
evalable6 | (exit code 1) 04===SORRY!04=== Error while compiling /tmp/UohlerQkVA "::=" not yet implemented. Sorry. at /tmp/UohlerQkVA:1 ------> 03my $a = 'Foo'; my $b ::= $a08⏏04; $b.say; |
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fluca1978 | ok, so ::= is not implemented yet, should we mention on <docs.perl6.org/language/operators> ? | 10:11 | |
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moritz | either mention it's not yet implemented, or remove it from that page | 10:14 | |
fluca1978 | ok, I'll fix. | 10:16 | |
moritz | thanks! | ||
Geth | doc: ee0809f84e | (Luca Ferrari)++ | doc/Language/operators.pod6 State that ::= has not been implemented yet. See <irclog.perlgeek.de/perl6/2017-12-2...11575>. As of today, using the ::= read-only bind operator produces a compile time error (even in rakudo 2017.11): "::=" not yet implemented. Sorry. |
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synopsebot | Link: doc.perl6.org/language/operators | ||
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moritz | nine: it seems that networking is broken on camelia's VM | 10:22 | |
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moritz | nine: things I've tried and that hung: ping 8.8.8.8, curl api.ipify.org, ping irc.freenode.org | 10:23 | |
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otokan | Hi, how can access object's attribute which name I have in a variable? | 11:13 | |
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scimon | Well the accessor is a method. | 11:13 | |
So you should be able to do my $method = $object.find-name($variable); Then $object.$method. | 11:14 | ||
timotimo | no need to do it like that | 11:15 | |
you can also $object."$variable"() | 11:16 | ||
scimon | .... Ooooo | 11:17 | |
timotimo | m: class Test { has $.a; has $.b }; my $object = Test.new(a => 42, b => 23); for ^10 { my $which-to-use = ("a", "b").pick; say $object."$which-to-use"() } | ||
evalable6 | 23 23 42 23 42 42 42 42 23 23 |
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timotimo | m: class Test { has $.a; has $.b }; my $object = Test.new(a => 42, b => 23); for ^10 { my $which-to-use = ("a", "b").pick; my $method-object = $object.^find_method($which-to-use); say $object.$method-object() } | 11:17 | |
evalable6 | 23 42 42 42 42 23 23 42 42 42 |
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otokan | okay; thanks; | 11:18 | |
timotimo | that second version lets you grab the method object from the class and invoke it on the object | ||
fluca1978 | class Foo{ has Int $.x } | ||
my $obj = Foo.new( x => 10 ); | |||
my $method = 'x'; | |||
$obj."$method"().say; | |||
nine | moritz: yes, somehow the packages don't make it back onto the VM's bridge | 11:19 | |
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scimon | Yeah I couldn't remember the syntax. | 11:19 | |
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scimon | But that's what I meant. | 11:19 | |
nine | moritz: gist.github.com/niner/aad3f285fd29...fdc3fbf661 | 11:20 | |
moritz: gist.github.com/niner/1634cd292d39...227d83a478 | |||
scimon | Just trying the $object."$method" version in Game::Sudoku::Solver see if it has an effect on speed. | 11:21 | |
Geth | doc: e73332593b | (Zoffix Znet)++ (committed using GitHub Web editor) | STYLEGUIDE.md List nbsp one liner directly in style guide Closes #1719 |
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scimon | I'ts a smidgen slower (as it's not caching the method calls) still useful to know | 11:23 | |
raschipi | m: say $*VM.name, $*VM.osname; | 11:27 | |
evalable6 | moarlinux | ||
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Zoffix | piojo: it might be a bug. Note how its .^roles says it's Positional[TValue] instead of Positional[Int]. Would you report it? github.com/rakudo/rakudo/issues/new | 11:47 | |
m: my Int @b; say @b.^roles | |||
evalable6 | ((Array::TypedArray[Int]) (Positional[TValue]) (Positional) (Iterable)) | ||
Zoffix | m: my Int @b; say @b ~~ Positional[Int] | 11:48 | |
evalable6 | True | ||
Zoffix | piojo: oh, I guess that ain't it. No idea. lizmat++ worked a lot on shaped arrays. She'd know more about this. | 11:49 | |
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Zoffix | piojo: RE TWEAK stuff. Dunno if it's common enough to have a *private* attribute be semi-public by having it linked to public instantiation interface like that. But if there's no example of using TWEAK to bind to an attribute directly in the signature, then sure that could be added. | 11:54 | |
lizmat | good *,#perl6 | 11:56 | |
yoleaux | 00:33Z <Zoffix> lizmat: .uninames added, if you wanted to mention it in your blog post: github.com/perl6/doc/commit/bff42f80b1 (.parse-names will still exist as deprecated until 6.e) | ||
00:33Z <Zoffix> lizmat: I meant .uniparse :) | |||
02:01Z <Zoffix> lizmat: I didn't see [Coke] around for when his post was meant to go up, so I re-scheduled yours. Hope that's OK. perl6advent.wordpress.com/2017/12/...-perl-6-d/ | |||
02:50Z <[Coke]> lizmat: thanks; I was >< close, but yours got published because I was not on IRC when midnight passed. Thank you for being ready ahead of time! | |||
02:54Z <[Coke]> lizmat: (er, midnight GMT) | |||
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lizmat | Zoffix: thanks! | 11:57 | |
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Zoffix | \o | 11:57 | |
lizmat | re .uniparse: I decided to not change it for the reason you mentioned: .parse-names works now and will continue to work until 6.e :-) | ||
Zoffix | Sounds good! | 11:58 | |
Zoffix & | |||
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Geth | mu: 7f52b92f85 | lizmat++ (committed using GitHub Web editor) | misc/perl6advent-2017/schedule Follow 22 <-> 24 exchange |
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Geth | doc: 47ff32d566 | (Luca Ferrari)++ | doc/Language/faq.pod6 Small fixes in FAQ. Fix a capital letter in title. Reword the immutable variable paragraph to avoid the double 'instead of'. Better explained HTML chars in the string interpolation error when using brackets for tags being seen as key access to hash. |
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synopsebot | Link: doc.perl6.org/language/faq | ||
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raschipi | m: say Bool ~~ Enumeration; | 12:21 | |
evalable6 | False | ||
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lizmat | raschipi: yeah, that's a side effect of Bool needing to exist in the Bootstrap | 12:24 | |
afaik | |||
raschipi | Someone had interest on fixing it a few months ago, I was just testing to see if it went anywhere. | 12:25 | |
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timotimo | fun: "cannot resolve caller _pack($((... multiple screens full of output ...)), none of these signatures match: ... | 13:18 | |
" | |||
42.13user 0.38system 0:42.71elapsed 99%CPU (0avgtext+0avgdata 1337632maxresident)k | 13:20 | ||
that's funny | |||
lizmat | yeah, I think we're finding out why we didn't show that before | ||
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timotimo | cool, a nearly 200 megs big profile html file | 13:27 | |
Ven`` | that should please angular :P. | ||
masak | AngularJS, even | 13:28 | |
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masak | reminds me of the quote "we took in a JavaScript expert. he optimized our site by removing most of the JavaScript." :P | 13:29 | |
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moritz is always glad when he can remove most of the code, no matter the language :-) | 13:33 | ||
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Ven`` | .oO( I've suffered enough from it to drop the "js" :P ) |
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moritz | newer versions dropped the "js" anyway, no? | 13:34 | |
ilmari | Angular 2 is just Angular, 1.x is AngularJS | 13:39 | |
angular.io and angularjs.org, respectively | |||
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masak | the mess and confusion around the naming reminds me of something else. can't think of what right now. :P | 14:50 | |
b2gills | \say .oO(Pumpkin Perl 5) | 14:56 | |
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perlpilot | masak: I think you should change your name. It's too close "masa" which is a type of dough made from corn flour. ;-P | 14:56 | |
masak | I get that a lot | 14:57 | |
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donaldh | How would you expect junctions to work when used as hash keys? | 15:18 | |
I was kind of hoping that just the matching key of a one junction would be returned. | |||
:m my %a = a => 1, b => 2; %a{one('a', 'c')} | 15:19 | ||
:p6 my %a = a => 1, b => 2; %a{one('a', 'c')} | |||
p6: my %a = a => 1, b => 2; %a{one('a', 'c')} | 15:20 | ||
bot? | |||
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Zoffix | m: my %a = a => 1, b => 2; %a{one('a', 'c')} | 15:21 | |
evalable6 | |||
Zoffix | m: my %a = a => 1, b => 2; dd %a{one('a', 'c')} | ||
evalable6 | one(1, Any) | ||
Zoffix | donaldh: all Junctions autothread the same, the type one Junction (one, all, any, none) is used only to answer Bool questions | 15:22 | |
m: my %a = a => 1, b => 2; dd %a{one('a', 'c')}:exists | |||
evalable6 | one(Bool::True, Bool::False) | ||
Zoffix | m: my %a = a => 1, b => 2; dd so %a{one('a', 'c')}:exists | ||
evalable6 | Bool::True | ||
Zoffix | m: my %a = a => 1, b => 2; dd so %a{one('a', 'b')}:exists | ||
evalable6 | Bool::False | ||
Zoffix | s/type one/type of/; | ||
donaldh | Okay, so only useful in boolean context. | ||
Zoffix | Yeah | ||
Geth | doc: 09c791b3ae | (Zoffix Znet)++ (committed using GitHub Web editor) | doc/Type/Junction.pod6 s/Markdown syntax/POD6 syntax/ |
15:25 | |
synopsebot | Link: doc.perl6.org/type/Junction | ||
donaldh | So, to get the defined value, is there an idiomatic way that is better than this? | 15:26 | |
m: my %a = a => 1, b => 2; say %a{'a', 'c'}.grep: { .defined } | |||
evalable6 | (1) | ||
Zoffix | m: my %a = a => 1, b => 2; say %a{'a', 'c'}:v | 15:27 | |
evalable6 | (1) | ||
Zoffix | m: my %a = a => 1, b => 2; say %a{'a', 'c'}:v.head | ||
evalable6 | 1 | ||
donaldh | Yeh, that's better. Zoffix++ | ||
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Geth | doc: 7322e0b4bb | (Zoffix Znet)++ (committed using GitHub Web editor) | doc/Type/Junction.pod6 Clarify Junction type effects on autothreading Ref: irclog.perlgeek.de/perl6/2017-12-22#i_15612281 |
15:32 | |
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Geth | doc: 1e10221801 | (Zoffix Znet)++ (committed using GitHub Web editor) | doc/Type/Junction.pod6 Use better code example Since without :exists, we're relying on the boolified values of the hash when collapsing the Junction. This way results are clearer. |
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synopsebot | Link: doc.perl6.org/type/Junction | ||
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clarkema | Hi all. I've revisiting some advent of code challenges from earlier this month to see if I can improve my solutions, and am currently looking at day 05. This is a tight loop jumping around an array based on the value of the contents until you jump beyond the bounds of the array after about 25 million iterations. | 16:22 | |
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clarkema | I've played with different approaches, bringing the runtime down from about 1 minute 30 to around 45 seconds, but I'm wondering whether I'm missing any optimizations | 16:23 | |
Current state is at gist.github.com/clarkema/ba2e80c22...c83777cda3 is there anything I can do at the 'user' level to make this run faster? | |||
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clarkema | (As a couple of points of comparison, a rough Python 3 transliteration completes in about 17.5 seconds. Reasonably optimized Common Lisp (using SBCL) runs in 0.3 seconds from the REPL) | 16:27 | |
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TEttinger | clarkema: from what I understand SBCL does more than just reasonable optimizations :) | 16:36 | |
clarkema | TEttinger: yeah, it's pretty speedy if you give it the right hints | 16:37 | |
TEttinger | that's what my CL-using friends tell me... then my benchmarks can't back up the claim that it's as fast as C, though it is fairly good | ||
SBCL is a compiler though | 16:38 | ||
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TEttinger | oh, from the REPL you said? | 16:38 | |
I think SBCL has some unusual case for how the REPL works alongside their compiler | 16:39 | ||
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TEttinger | I mean, perl 6 isn't really a fast language for tight loop stuff, it seems optimized for programmer time over CPU time | 16:40 | |
that looks like very clear code though | 16:43 | ||
clarkema | SBCL is still compiled from the REPL -- the difference is that I'm not paying compilation / VM-startup overhead in that timing, whereas I am with Python and P6 | ||
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Zoffix | clarkema: got any sample input for that code? | 16:50 | |
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clarkema | Zoffix: Sure: gist.github.com/clarkema/ba2e80c22...c83777cda3 | 16:52 | |
(updated the same gist) | |||
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Zoffix | m: say 63/42 | 17:00 | |
evalable6 | 1.5 | ||
Zoffix | clarkema: this makes it ~1.5x faster. I these these are all the "street legal" optimizations I can think of: gist.github.com/zoffixznet/7a66bbb...03c42205c5 | 17:01 | |
Zoffix tries nqp version | |||
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clarkema | oh, interesting. I've just been looking through profile output and seen that the postcircumfix [] was taking about 33% of execution time, so tried binding @instructions[$index] | 17:02 | |
which gets me down to 23 sec | |||
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clarkema | what's the theory behind AT-POS being faster? | 17:04 | |
Zoffix | m: &postcircumfix:<[ ]>.candidates.elems.say | ||
evalable6 | WARNINGS for /tmp/WzSwM4fumi: 65 Useless use of constant value [ ] in sink context (lines 1, 1) |
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Zoffix | 65 candidates. Perhaps they don't get cached or whatever. By using .AT-POS you go directly to where [] would get you to | 17:05 | |
clarkema | ah, so you're skipping the indirection / flexibility | ||
makes sense | |||
awesome | 17:06 | ||
If I steal that and your change to prefix increment / decrement and merge with binding, we're beating python | 17:07 | ||
gist.github.com/clarkema/9cf51e4a5...b4a8bb1151 | |||
15.2 sec | |||
Zoffix | so you *can* bind it like that. Weird, I tried that too, but it gave me some error | 17:10 | |
Ah, wait no, it gave wrong result then. Gave 25238376 instead of 25347697 | 17:11 | ||
You sure 15.2 sec version gives right result? :) | |||
holy shit. nqp version is 0m3.019s | |||
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clarkema | yup, result is correct -- still matching the python | 17:12 | |
Zoffix makes changes file slurpage to nqp too to squeeze everything | |||
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clarkema | I'm staggered that changing $index += $jump into $index = $index + $jump saves so much | 17:16 | |
You'd think they'd be equivalent, but very definitely not | 17:17 | ||
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Zoffix | bah, I give up. stuck with unboxing strings to ints and I don't think file hll slurping costs a lot in this case. | 17:20 | |
Here, 3.027s version: gist.github.com/zoffixznet/74df6fb...fb5331ee84 | |||
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clarkema | that has a decidedly lisp-y look to it | 17:21 | |
Zoffix: is it possible to, for example, just write the inner portion of a loop in NQP in the middle of a larger perl module? | 17:23 | ||
Zoffix | Filed it as R#1328 in case we can bring HLL version closer to nqp's speeds | 17:24 | |
synopsebot | R#1328 [open]: github.com/rakudo/rakudo/issues/1328 [perf] [PERF] Large diff between HLL and nqp performance in code example | ||
Zoffix | clarkema: yeah, but there's no user support for nqp. The way it works can be changed at any time without notice, breaking your module. | 17:25 | |
clarkema | fair enough | ||
super interesting though, thanks :) | |||
digging around and performance golfing is quite fun | 17:26 | ||
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AlexDaniel | xD street legal optimizations | 17:29 | |
Zoffix | Looking at ASTs, looks like $index += $jump is slower than $index = $index + $jump is 'cause it misses rewrite of &infix:<+> to nqp::add_i | 17:30 | |
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Zoffix | Filed as R#1329 | 17:33 | |
synopsebot | R#1329 [open]: github.com/rakudo/rakudo/issues/1329 [perf] my int $x; ( $x += 42 is slower than $x = $x + 42) | ||
Zoffix & | 17:35 | ||
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Geth | doc: d25261ac88 | (Will "Coke" Coleda)++ | doc/Language/5to6-nutshell.pod6 mark p5 code, allow p6 code to compile |
21:13 | |
synopsebot | Link: doc.perl6.org/language/5to6-nutshell | ||
doc: 82f8d569c4 | (Will "Coke" Coleda)++ | doc/Language/traps.pod6 nbsps |
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synopsebot | Link: doc.perl6.org/language/traps | ||
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AlexDaniel | oh wow, did flyspell-mode just highlight “the the” as an error? ♥♥♥ | 22:40 | |
timotimo | AlexDaniel: you'll be our advent author for the evening? :) | 22:43 | |
AlexDaniel | Yeah. Whether you'll like it or not is a different question though :P | 22:44 | |
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Geth | doc: 63e5b13835 | (Aleks-Daniel Jakimenko-Aleksejev)++ | doc/Type/Int.pod6 I really need a space there. |
23:40 | |
synopsebot | Link: doc.perl6.org/type/Int | ||
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