»ö« Welcome to Perl 6! | perl6.org/ | evalbot usage: 'perl6: say 3;' or rakudo:, niecza:, std:, or /msg p6eval perl6: ... | irclog: irc.perl6.org/ | UTF-8 is our friend!
Set by sorear on 4 February 2011.
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TimToady rakudo: use MONKEY_TYPING; augment class Int { has $.answer = 'lue' }; say 42.answer; 00:05
p6eval rakudo 1ddda5: OUTPUT«===SORRY!===␤Modifications to classes are not allowed after instantiation.␤»
TimToady That's Not Fair!!! 00:06
Tene TimToady: Perhaps it's time to reconsider adding lexically-scoped class modifications to the spec? ;) 00:07
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jlaire perl6: say so any "y"|"yes" eq lc ("y" R// Mu) 00:39
p6eval niecza v7-38-gf5e9082: OUTPUT«===SORRY!===␤␤This macro cannot be used as a function at /tmp/Nh_I94OEqO line 1:␤------> say so any "y"|"yes" eq lc ("y" R//⏏ Mu)␤␤Unhandled exception: Check failed␤␤ at /home/p6eval/niecza/boot/lib/CORE.setting line 57…
..rakudo 1ddda5: OUTPUT«Bool::True␤»
..pugs: OUTPUT«*** ␤ Unexpected "R"␤ expecting operator or ")"␤ at /tmp/dsrmXoaZ8a line 1, column 33␤»
jlaire nom: say so any "y"|"yes" eq lc ("y" R// Mu)
p6eval nom: OUTPUT«Bool::True␤» 00:40
jlaire masak: fwiw, laire.fi/t/crypt-patch-v2.txt 00:42
it adds 6 non-ws characters :p 00:43
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TimToady perl6: say "foo" R&& 0 01:56
p6eval pugs: OUTPUT«*** ␤ Unexpected "R"␤ expecting operator, ":" or ","␤ at /tmp/uywsdZHZYe line 1, column 11␤»
..rakudo 1ddda5: OUTPUT«0␤»
..niecza v7-38-gf5e9082: OUTPUT«===SORRY!===␤␤This macro cannot be used as a function at /tmp/aaNssrzgyL line 1:␤------> say "foo" R&&⏏ 0␤␤Unhandled exception: Check failed␤␤ at /home/p6eval/niecza/boot/lib/CORE.setting line 570 (CORE die @ 2) ␤ at /…
TimToady perl6: say "foo" R&& 1
p6eval niecza v7-38-gf5e9082: OUTPUT«===SORRY!===␤␤This macro cannot be used as a function at /tmp/dWYzZL3Mbf line 1:␤------> say "foo" R&&⏏ 1␤␤Unhandled exception: Check failed␤␤ at /home/p6eval/niecza/boot/lib/CORE.setting line 570 (CORE die @ 2) ␤ at /… 01:57
..pugs: OUTPUT«*** ␤ Unexpected "R"␤ expecting operator, ":" or ","␤ at /tmp/bsXI2Yk2Cq line 1, column 11␤»
..rakudo 1ddda5: OUTPUT«foo␤»
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[Coke] # FUDGED! 02:03
too few arguments: 0 passed, 26200224 expected
colomon woah. don't want to have to write out that many arguments. 02:08
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TimToady use an xx 02:13
or an ax
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TimToady moritz: perlgeek.de/en/article/5-to-6#Postf..._Circumfix has a {} vs [] typo, reported by davido++ 02:37
TiMBuS Postfcircumfix 02:39
well thanks i just spat all over my monitor reading that out loud :c
TimToady that too...
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TimToady rosettacode.org/wiki/Inverted_index#Perl_6 <-- kinda makes the other languages look verbose 03:34
Hash.push is scary powerful 03:36
TiMBuS what happens if you don't use push, but instead normal assignment? 03:44
TimToady later keys clobber earlier dups 03:45
TiMBuS ohhh
that feature I always think about when munging data and them promptly forget until next time 03:46
that -is- scary powerful :o
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soh_cah_toa perl6: say $*OSNAME 04:19
p6eval rakudo 1ddda5: ( no output )
..niecza v7-38-gf5e9082: OUTPUT«Any()␤»
..pugs: OUTPUT«␤»
soh_cah_toa ugh, it's not just my installation :(
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soh_cah_toa hmm...it looks like $*OS works but i'm almost positive that the spec says that $^O has become $*OSNAME 04:24
TimToady perl6: say $*OS.perl 04:30
p6eval niecza v7-38-gf5e9082: OUTPUT«Any␤»
..rakudo 1ddda5: OUTPUT«"linux"␤»
..pugs: OUTPUT«\undef␤»
sorear I haven't implemented $*OS yet because there seems to be no standard for how it should work 04:39
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szabgab unfortunatelly I still cannot build Rakudo (the master branch) on Windows :) 05:34
:(
sorear szabgab: I've got binaries :> 05:41
(for my impl)
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[Coke] szabgab: I was able to build rakudo/nom using msvc express & strawberry perl. 06:25
needed a set of specific options for the parrot to do that.
failed a few parrot tests, but nothing major.
if you're still stuck, ping me, I'll find you the command line.
(or ask cotto in #parrot on irc.perl.org.)
but now, zzz
szabgab night :) 06:26
and for those who might be awake, I'd prefer to have my good old build using pure Strawberry back :)
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CBro2007 hi all ... is perl6 completely different from 5? 08:41
I haven't used perl in a while, but know all the basics of it.. maybe say intermediate level. And then I notice some talk about Perl 6 being a "serious contender" 08:42
anyone here? 08:43
I was also wondering if perl 6 will now have a concept like Python's bindings?
I would love for a Perl 6 project to talk to C++ libraries for example!
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[perlhack] *THUMBS UP* 08:46
moritz CBro2007: Perl 6 is very different from Perl 5, though they share a lot of philosophy behind the scence 08:48
and also quite some syntax 08:49
CBro2007: we have an experimantal foreign function interface for calling C functions here: github.com/jnthn/zavolaj 08:50
it looks quite nice, but still requires some work before it's really mature 08:51
interfacing C++ is always a problem
because C++ compilers use name mangling to compile C++ code to the same object code that C uses
and that name mangling is not standardized 08:52
CBro2007 moritz: thanks for the response. Its just that I am thinking about a research project and I know perl. Many others have recommended I learn python if I want to use "bindings" to other languages
moritz the problem with C++ is pretty universal, and independent from the language you use 08:53
CBro2007 moritz: i just cannot be bothered learning python :)
moritz the best you can do is write a C wrapper for C++ libraries, and then use the C interface from {perl5,perl6,python}
CBro2007: you can also use perl 5. Search on CPAN for 'ffi', 'foreign', 'C++' and so on 08:54
CBro2007 can I wrap c++ with c?
I am not sure that is possible
I know I can call C libs within C++
moritz sure you can, by writing a C++ wrapper with some extern "C" { ... } code
colomon TimToady: on your inverted index -- shouldn't it search for files that include all of the given words? At least, the problem seems vague...
CBro2007 I asked in the perl 5 channel and got the response that perl 6 and 5 are completely different things 08:55
while I was under the impression that 6 is just an upgrade on 5?
moritz it's not just an upgrade
it's a completly new start
CBro2007 but does that mean that I cannot use any modules from CPAN that work with perl 5 yeah? 08:56
I am just worried that the work I do in perl 5 may not be portable to perl 6 (if it becomes the new norm) 08:57
moritz: would you say its too early to use perl 6?
? 08:58
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CBro2007 moritz: because it sounds like perl 5 is production code while perl 6 is not a complete implementation yeah? 09:02
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TiMBuS CBro2007, personally i wouldnt use rakudo in production at the moment 09:14
but it guess its up to the producer?
CBro2007 TiMBuS: the thing is that I don't work for a company.. I am a researcher at a uni 09:15
so in other words I have the option to screw up a bit 09:17
:)
I just don't want to be stuck like - oh fuck we don't support this or that
or I cannot use C code
or I cannot connect to some kinda DB
you know stuff like that would suck 09:18
otherwise I am up for a "better perl"
szabgab CBro2007: I don't think you have such a problem with rakudo, worst case you just need to implement the interface :) 09:21
or feature
CBro2007 i wouldn't have a clue where to begin if I had to write an interface to C or C++ libraries I would like to use in my perl project
the idea is this
I have with me a team of other students mostly with java and python skills 09:22
szabgab CBro2007: its esy, you start here on the channel
CBro2007 I am more perl, c, c++
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CBro2007 we may or may not have code to share... and then I would like to whip up code really fast..I don't want to learn Python to be able to make use of some of my earlier written C or C++ libraries 09:22
I know in perl I can do pretty much anything that those guys claim python can do etc... and it will run pretty fast 09:23
if it has some bits that are slow.. I want to rewrite them in C and just be able to use them in my perl project
thinking more along the lines of using OO perl - Moose or something
does Moos work in Perl 6?
I have no idea about perl 6 sorry :) 09:24
szabgab CBro2007: If you need to interact with others then probably p5 is still better
P6 has a better object system built in than what Moose is
so P6 = P5 + Moose+ about a lot of other things (if you really need to compare) 09:25
CBro2007 man ... looks like it would have been awesome if P6 was an upgrade on P5
:)
yeah but P6 is not an upgrade on P5 is it?
I thought its written from scratch?
I mean can I use modules from cpAN written for p5?
szabgab in many terms it is not
not an upgrade
as far as I know in a very limited way you can use CPAN 09:26
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szabgab depending on how much time I have I 'd write stuff in both p5 and p6 just to see how they compare 09:27
CBro2007 hmm at the moment I know nothing about p6, but is the syntax similar?
or have you changed it completely ? :)
szabgab it is not me :)
CBro2007 like you still have the $, % and stuff
or they don't exist any more 09:28
szabgab yes, but the meannigs are not exactly the same
element of an array is @x[2]
CBro2007 that would suck :(
szabgab and not $x[2]
that means a learning curve
CBro2007 that actually I don't mind
that is more intuitive I would say
I always thought it was stupid to say $x[2] 09:29
hehe
szabgab many people say so
CBro2007 as I see it.. p6 seems to be trying to make a better language
something that is more intuitive i think
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szabgab indeed 09:29
CBro2007 but I am not sure if they want to make it lightweight and super fast compared to p5?
is that a criteria too?
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szabgab that's not the current objective 09:30
CBro2007 i see
szabgab the current objective is to finish and imlement the features
CBro2007 how long do you think that will take? 09:31
szabgab :)
CBro2007 good answer
:)
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CBro2007 well I can always contribute my code to p6 as a library or something 09:31
moritz I hope and exepect to have a very well usable compiler at the end of this year
CBro2007 hopefully its not too hacky
moritz: so you are the main dude :)
moritz we're making a massive overhaul in a branch, it it's much faster already 09:32
CBro2007 moritz: are you working on rakudo? or building something completely new?
moritz now we need to many of the features back in
CBro2007: i'm working on rakudo, yes. But i'm not the "main dude", that would be pmichaud and jnthn
CBro2007 I think I like the idea of keeping 2 simultaneous projects going .. in p5 and p6
nice work
I start my project in Sep 09:33
so it isn't too bad if you have something completed by end of this year
so are you running performance tests against p5? and you find it faster?
moritz don't used the word "finished"
neither perl 5 nor GCC nor C++ are "finished" 09:34
CBro2007 ok ready for production?
:)
yeah yeah I know ...
moritz if a software project is finished, it's dead :-)
CBro2007 so how about prod ready?
yeah like lisp
:)
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CBro2007 hahha 09:34
moritz performance won't be as good as p5 for now
CBro2007 hm
moritz we focus on powerful and easily usable first
CBro2007 I am just starting to read --> www.perl.com/pub/2006/01/12/what_is_perl_6.html 09:35
moritz I mean, if speed is your primary concern, you can use assembler or C
CBro2007 just to see what the differences are
i do use C
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CBro2007 moritz: the idea is that I want to be able to whip up code super fast 09:37
and the bits that we think aren't so fast we can optimize or rewrite in C
I think I can write "ready" code much faster in perl
moritz exactly :-)
CBro2007 and my work is more research oriented.. its more about writing prototypes and seeing what works what doesnt 09:38
so I have to rewrite shit over and over again
moritz well, Perl 6 adds things like a built-in, rich object model, including a meta object model
CBro2007 not so much fun in a C or c++ project you know
i would certainly appreciate that :)
I just wanna kick butt over the python and java guys
:)
to me java is nice to read and code in etc... but usually runs slow 09:39
oh in p6 can you use a functional programming style?
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moritz yes 09:39
CBro2007 nice
i really hope you guys can also make it run faster than p5 09:40
that would be the perfect combo
:)
what do you guys write your code in?
C?
szabgab and cheaper :)
CBro2007 cheaper? you buy perl?
tadzik CBro2007: Perl 6 mainly :) Also, Perl 5, C, Vala 09:41
szabgab sorry, bad joke
CBro2007 hehe
moritz the compiler is mostly written in Perl 6 09:42
CBro2007 ah so its not completely a write from scratch kinda project
I mean if p6 uses p5 code under the covers.. you will still inherit some of their performance headaches too
ok 09:43
tadzik what do you mean in "not from scratch project"?
moritz p5 is only used in the build system
CBro2007 so p6's main objective seems to be very much making it a more regular language
that more people can use
tadzik: my understanding was that the core of p5 is written in C 09:44
many of the built-in functions
but anyway ... I am more clear about the objective of p6 is now .. well kinda :)
will read up more about it 09:45
and if I get stuck..will bug you guys
hehe
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tadzik please do :) 09:52
CBro2007 "Perl 6 has a Perl 5 compatibility layer" - is this true? 09:53
tadzik it's supposed to be, yes :)
there's a module which allows you to use Perl 5 modules in Perl 6 code, but it 09:54
CBro2007 does this mean if I find myself in the situations where p6 doesn't allow me to do something I can use p5 there?
tadzik 's quite limited atm
CBro2007 ok
are all of you guys volunteers to p6? 09:55
tadzik no one is forced to do that, so in a way everyone's a volunteer I'd say :) 09:56
CBro2007 no but what I mean is that how does one contribute? 09:57
tadzik just do it :)
CBro2007 what skill sets do you need to help out in p6?
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tadzik rakudo.org/how-to-help/ 09:57
CBro2007 yeah but isn't there like a ToDo list or areas where we need more coders?
tadzik see github.com/perl6/ecosystem/wiki/Mo...write-port 09:58
that's for the modules, you can read about them on modules.perl6.org
CBro2007 so I mean I know p5 ... not a guru or anything.. but wonder what else I need to know 09:59
do I just have to learn p6 syntax?
and then try to rewrite the p5 stuff like say the Crypto package to p6? 10:00
tadzik now the easy way to get involved and get karma is: go through RT, look for bugs which have been fixed already and no one noticed (LOADS of them, really), and notify someone here that they should be closed. If they're still broken, writing a spectest helps
I'd recommend learning Perl 6 semantics too :)
you'll like moritz++'s "Perl 5 to 6" articles I suppose
perlgeek.de/en/article/5-to-6
CBro2007 yeah I am thinking that if I can dig deeper into p6 core then maybe I get a chance to learn it quicker
i could be wrong 10:01
:)
tadzik if you mean "p6 core" as the "p6 compiler", I'm not so sure
CBro2007 yeah I don't think I would want to go there
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CBro2007 but I don't mind helping out rewriting some modules from p5 o p6 10:02
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tadzik that's cool 10:02
CBro2007 I mean I had a pretty decent crytpography background
only thing is I don't know p6 syntax
and I was thinking that the work I do at uni is mostly stuff like computational geometry etc.. or network flow algos... that could be a module contribution too I guess 10:03
or maybe not :)
tadzik read moritz's articles, read the Book, read the advent calendar and then learn one the go :)
my first module contribution was Acme::Meow, everything's welcome :)
CBro2007 another thing... how do I know if someone else hasn't taken up the same task?
in moritiz's article it says its hard to learn p6 because it isn't as well documented 10:04
tadzik hmm. They usually announce it here I suppose
CBro2007 and this channel is best to learn?
tadzik probably :)
CBro2007 so say I was trying to rewrite one of those most wanted modules.. and got stuck ... would I get help here?
tadzik I learned a lot just sitting here and trying to understand wth are those Big Guys talking about
and I still do
of course
CBro2007 yeah nice 10:05
tadzik that reminds me, I'm ought to update my "start a module" guide
CBro2007 so what should i read after M's article from 5 to 6?
you mentioned a book?
tadzik yep. github.com/perl6/book 10:06
CBro2007 k
and are all the DBI/DBD modules done for p6?
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tadzik you may as well start from it, but I found moritz' articles to be the best start when I was starting 10:06
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CBro2007 k 10:06
tadzik I don't think any of them works currently, but I may be wrong. See modules.perl6.org
CBro2007 k 10:07
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[perlhack] :-) 10:09
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CBro2007 shit p6 is so neat man!! 10:12
am looking at moritz's article here
my @a = 5, 1, 2;
my @b = @a.sort;
this is way more "pleasurable" to write shit in :) 10:13
tadzik nom: my @a = sort(5, 1, 2); @a.perl.say
p6eval nom: OUTPUT«Could not find sub &sort␤current instr.: '_block1002' pc 88 ((file unknown):68184701) (/tmp/VEk_lm0kbb:1)␤»
tadzik rakudo: my @a = sort(5, 1, 2); @a.perl.say
p6eval rakudo 1ddda5: OUTPUT«[1, 2, 5]␤»
tadzik a'right
CBro2007 neat 10:14
this stuff will improve readability of perl code a milion times more for sure
:)
tadzik: are there more articles like the one you sent me? 10:16
tadzik: or is that the only one.?
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tadzik CBro2007: there is a whole series of Perl 5 to 6 10:17
like 20 of them or so I think
CBro2007 ok 10:18
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CBro2007 tadzik: doesn't perlgeek.de/en/article/5-to-6 include it all? 10:20
or are there others?
I understand that that link has all the blog posts grouped together
tadzik CBro2007: no, these are all 10:21
yep
CBro2007 cool 10:22
thanks
moritz CBro2007: perl6.org has lots of interesting links 10:24
CBro2007 is rakudo the best compiler at the moment?
moritz well, it's the most feature complete
CBro2007 yeah I am here --> dev.perl.org/perl6/
moritz niecza is the fastest, I think
perl6.org is more up-to-date, generally 10:25
CBro2007 cool
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CBro2007 I use macosx 10:25
tadzik oh, you'll probably have prove issues with panda then :) 10:26
CBro2007 so niecza is for CLR/.NET stuff on windows platform yeah?
tadzik no, it runs on any platform I think
moritz CBro2007: I use niecza with mono on linux
tadzik as long as you have mono
moritz CBro2007: works on a mac too (iirc colomon uses that)
tadzik (gosh, isn't setting compilation slow?)
CBro2007 so will I have dramas installing rakudo on macosx
ok just saw your post 10:27
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CBro2007 guys should I download --> Rakudo Star 2011.04 release 10:27
moritz either that, or built the latest compiler from source 10:28
rakudo: say join ' ', sort { $^b <=> $^a }, 1, 2, 3
p6eval rakudo 1ddda5: OUTPUT«3 2 1␤»
moritz rakudo: say join ' ', sort 1, 2, 3 10:29
p6eval rakudo 1ddda5: OUTPUT«1 2 3␤»
CBro2007 show off :)
hehe
These tarballs do not contain the documentation or modules found in Rakudo Star. It is strongly recommended that you download a Rakudo Star distribution unless you are a developer looking to hack on the compiler internals.
so I just want to mess with p6 and see if can work on modifying a p5 module to p6 10:30
so the distro should do for me yeah? or you reckon I will have dramas on the mac
tadzik not neceserilly 10:31
well Star contains Rakudo, Parrot, Book and some modules
you can install Parrot and Rakudo by hand, and install modules you want manually, no problem with tha
CBro2007 i wil start by downloading the source and building it 10:32
so what do you recommend finally? build from source yeah?
moritz that's what all the cool folks do :-) 10:33
CBro2007 hehe
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moritz I can't really tell - I build rakudo at least daily, because I'm a rakudo contributor 10:33
so I've never seen the need for tarballs - but that's just me
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CBro2007 yeah your case is different 10:34
:)
ok i need ICU
hm
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dalek kudo/nom: 2ad1cba | moritz++ | src/core/Any.pm:
add &sort sub; only works without a comparison block for now
 10:37
tadzik arr, I was just writing that! :) 10:44
but I'm trying to hit the comparison sub case too
invoke() not implemented in class 'Callable'. That sounds wrongish 10:45
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JimmyZ good early evening, #perl6 10:48
eiro hello 10:51
any node.js like in perl6 ? 10:52
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tadzik what do you mean? 11:16
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CBro2007 pastebin.com/H7Yj1Ugu 11:29
I get this error while doing a "make"
eiro tadzik, something to easily deal with async., long polls, callbacks ...
CBro2007 can I get some help guys? 11:31
wonder why it f'ed up there
:)
eiro got to go ... bbl 11:32
tadzik huh 11:34
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JimmyZ CBro2007: looks like there is a space between PERL and 6 11:42
CBro2007: try to rename PERL 6 to perl6 or something without space ? 11:43
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mberends CBro2007: aye, JimmyZ++ is right, spaces in file and directory names are the work of the devil. 12:12
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mberends Who would ever call a directory "My Documents" or "Program Files"? That's the dumbest idea ever! 12:15
JimmyZ blame Mircosoft! 12:16
mberends maybe that should be "Micro Soft" ;)
JimmyZ hehe
tadzik tricky bastards. Yeah, why didn't they use that? 12:18
mberends it was probably a moment of weakness 12:19
of course, they could have done worse and called them "My Documents, " and "Program FIles, " ;) 12:21
*Files of course. After all, you should never have a need to type them, you can always click on them with the mouse, and leave the actual coding to the professionals. 12:24
mberends senses that one of his 'pet peeve' buttons must have been pushed 12:27
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pmichaud good morning, #perl6 13:16
phenny pmichaud: 16 Jul 01:56Z <[Coke]> tell pmichaud nom: say +"4/2".WHAT
mberends hello pm
pmichaud nom: say +"4/2".WHAT
p6eval nom: OUTPUT«Segmentation fault␤»
pmichaud hmmmmm
nom: say +"4/5".WHAT 13:17
p6eval nom: OUTPUT«Segmentation fault␤»
pmichaud nom: say +"1/2".WHAT
p6eval nom: OUTPUT«Segmentation fault␤»
pmichaud oh
nom: say (+"4/2").WHAT
p6eval nom: OUTPUT«Rat()␤»
pmichaud nom: say +Rat
p6eval nom: OUTPUT«Rat()␤»
pmichaud nom: say "4/2".WHAT
p6eval nom: OUTPUT«Str()␤»
mberends ah 13:18
flussence nom: say +"Str()"
pmichaud nom: say +Str
p6eval nom: OUTPUT«0␤»
nom: OUTPUT«Segmentation fault␤»
pmichaud that be it
flussence nom: say +"foo"
p6eval nom: OUTPUT«0␤»
flussence huh
jlaire nom: +Str 13:20
p6eval nom: OUTPUT«Segmentation fault␤»
jlaire nom: +Mu
p6eval nom: OUTPUT«No applicable candidates found to dispatch to for 'prefix:<+>'. Available candidates are:␤:(Numeric $a)␤:(Any $a)␤␤current instr.: 'prefix:<+>' pc 430528 (src/gen/CORE.setting.pir:104920) (src/gen/CORE.setting:1091)␤»
pmichaud nom: say +Any 13:23
p6eval nom: OUTPUT«Use of uninitialized value in numeric context␤0␤»
pmichaud nom: say +Int
p6eval nom: OUTPUT«Int()␤»
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dalek p-rx: 232e5cf | pmichaud++ | README:
Update NQP -> NQP-rx .
 13:29
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CBro2007 hi all I am trying to build from source and get this error when I run "perl Configure.pl --gen-parrot" --> pastebin.com/CDadwnaH 13:46
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CBro2007 can someone help me understand what the problem is please? 13:46
its macosx
i installed ICU earlier 13:47
and it seems to be installed correctly
dyld: Library not loaded: libicuuc.48.dylib 13:48
don't get that bit
mberends I see.
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CBro2007 mberends: do you see the problem? 13:49
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JimmyZ CBro2007: try to build parrot without icu 13:49
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flussence looks like it's compiling with the correct path, but not running it with it 13:49
CBro2007 JimmyZ: I ran the commands following instructions at --> rakudo.org/how-to-get-rakudo/ 13:50
mberends on Linux we often need to install the -dev version of a library such as ICU. I don't know if that is also true for OSX, and I don't know why Parrot likes only -dev libraries, but that is a fact.
CBro2007 so not sure if I will then have a complete build if I don't have ICU?
I built ICU from source code too
flussence some unicode features might not work, that's about it
CBro2007 but not sure if it was a dev release or not
so how do I configure without ICU? 13:51
mberends you can build without ICU, there is a flag I think called --without-icu
moritz you can try perl Configure --gen-parrot --gen-parrot-option=--without-icu
CBro2007 ok will give that a shot
mberends moritz++
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CBro2007 failed :( 13:53
sorry
will paste the output
pastebin.com/9A6ggTnN 13:55
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CBro2007 ok done --without-icu 13:56
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CBro2007 doing something 13:56
guys I did --> perl Configure.pl --gen-parrot --without-icu 13:58
and got the same error as last time
dyld: Library not loaded: libicuuc.48.dylib
Referenced from: /Users/mk/MYPERL6/rakudo/parrot/./miniparrot
Reason: image not found
mberends try --gen-parrot-option=--without-icu 13:59
CBro2007 mberends: that fails also
check out my latest paste
flussence did you try typing it with two hyphens? 14:00
CBro2007 ah no
thanks :)
its doing something now..
mberends in future, you may be able to alter the process you used to build ICU, so that Parrot can use it after all. It may be that Parrot is not finding the file, or it may be that the file needs to contain debug symbols. 14:02
our OSX support staff are currently awol, but may reappear at any time ;) 14:03
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CBro2007 wohoo done! 14:11
all installed
need to add it to the path
mberends don't forget to 'make install' to execute perl6 from outside its own directory 14:12
CBro2007 i did make install in the same dir 14:13
is that wrong?
tadzik no, it's fine
CBro2007 k cool
so now just have to add perl6 to my path
dalek kudo/nom: cf0da7d | moritz++ | src/core/Str.pm:
make +Str die with an unhelpful error message, instead of segfaulting
mberends moritz: should you get karma for being unhelpful? ;) 14:14
moritz mberends: if the previous state was a segfault, yes 14:15
colomon moritz++
moritz I wonder if we should just add a multi prefix:<+>(Any:U) { warn "Use of uninitialized value in numeric context"; 0 } or so 14:16
flussence that'd be nice to have.
moritz it would make it harder to write type objects that numify in a meaningful way 14:17
but I think that's OK :-)
mberends I think we'd have to switch that off in strict mode 14:18
moritz strict mode?
mberends I know...
it's just a rather non-strict thing to do
moritz mberends: strict would be dying outright, yes? 14:21
flussence rakudo: 6; 14:22
p6eval rakudo 1ddda5: ( no output )
mberends moritz: I'm not sure if that is how it's specced. I suppose you can't really numify something that is undefined.
flussence (I wonder if that should say "Lax mode NYI"...)
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TimToady CBro2007: you also want to be aware of rosettacode.org/wiki/Category:Perl_6 14:32
CBro2007 TimToady: whats that for? 14:33
TimToady you can compare Perl 6 code for various tasks with other languages 14:34
all working code on either rakudo or niecza 14:35
shower &
CBro2007 TimToady: I got a list of modules that are needed in Perl6
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CBro2007 github.com/perl6/ecosystem/wiki/Mo...write-port 14:36
isBEKaml nom: +Rat 14:38
p6eval nom: ( no output )
isBEKaml nom: +Any
p6eval nom: OUTPUT«Use of uninitialized value in numeric context␤»
pmichaud the warning should be in .Numeric, not prefix:<+>
isBEKaml pmichaud: what's the exact behaviour in numification of types? 14:39
pmichaud isBEKaml: not sure off the top of my head for anything but Any
CBro2007 TimToady: is say JSON (rosettacode.org/wiki/JSON#Perl_6) rewritten in perl 6 14:40
?
isBEKaml pmichaud: ok, I'll search the spec. :)
pmichaud I suppose one could argue that numification of a type should be 0-with-warning, just as stringification of types is ""-with-warning 14:41
CBro2007 TimToady: in the sense that the perl and perl6 version look exactly the same.... so can I call perl 5 modules from perl 6? 14:43
isBEKaml pmichaud: as you said, I see no reason to numify types except perhaps to check types can be numified, but that could be done with variables too unless they throw errors. 14:44
JimmyZ CBro2007: yes, see github.com/jnthn/pivo/blob/master/...bin/add.p6
CBro2007: and github.com/jnthn/pivo/blob/master/...et-data.p6
CBro2007 JimmyZ: what are those?
JimmyZ call perl 5 modules from perl 6 :) 14:45
isBEKaml pivo, eh? that's jnthn alright. :)
CBro2007 ah i see
isBEKaml jnthn++
JimmyZ well, sorear++ too
tadzik renames the wiki page 14:46
isBEKaml JimmyZ: I was referring to pivo as beer. I think jnthn++'s tendency towards beer is known to you. Now I know he names stuff after beer too. :)
tadzik CBro2007: please use github.com/perl6/ecosystem/wiki/Mo...ed-Modules from now on 14:47
CBro2007 tadzik: yes boss :) 14:48
tadzik :P 14:49
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tadzik I wanted to give that page a nicer URL for some time now 14:49
moritz how about modules.perl6.org/wanted ? 14:52
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort:{ +$_ }.map: { $_ * 2 }; @stuff.perl.say;
p6eval rakudo 1ddda5: OUTPUT«Method 'sort:{ +$_ }' not found for invocant of class 'Array'␤ in main program body at line 22:/tmp/oXcMDsv9Xt␤»
tadzik moritz: good too 14:53
dalek href="https://modules.perl6.org:">modules.perl6.org: 19bc176 | tadzik++ | web/index.tmpl:
Track ecosystem wiki page rename
 14:54
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort:{ +$_ }.map:{ $_ * 2 }; @stuff.perl.say;
p6eval rakudo 1ddda5: OUTPUT«Method 'sort:{ +$_ }' not found for invocant of class 'Array'␤ in main program body at line 22:/tmp/3Vw7RifR5u␤»
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map {$_ * 2}; @stuff.perl.say;
p6eval rakudo 1ddda5: OUTPUT«===SORRY!===␤Confused at line 22, near [email@hidden.address]
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort; @stuff.perl.say; 14:55
p6eval rakudo 1ddda5: OUTPUT«["4", "8", "2", "0", "1", "9"]␤»
moritz need a : after map
rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map: {$_ * 2}; say @stuff.perl
p6eval rakudo 1ddda5: OUTPUT«["4", "8", "2", "0", "1", "9"]␤»
isBEKaml moritz: that's what I gave the first time around but rakudo seemed to be confused about numification before passing to map. 14:56
ah
moritz rakudo: my @stuff = <4 8 2 0 1 9>;say @stuff.sort.map(* * 2_).perl
p6eval rakudo 1ddda5: OUTPUT«===SORRY!===␤Confused at line 22, near "say @stuf"␤»
isBEKaml moritz: btw, sort isn't inplace?
moritz isBEKaml: you just never do anything with the resut value of .map
rakudo: my @stuff = <4 8 2 0 1 9>;say @stuff.sort.map(* * 2).perl
p6eval rakudo 1ddda5: OUTPUT«(0, 2, 4, 8, 16, 18)␤»
moritz no, there's not much that is in-place these days 14:57
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map: {* * 2}.perl.say;
p6eval rakudo 1ddda5: OUTPUT«{ ... }␤No candidates found to invoke for method 'map' on object of type 'Parcel'; available candidates have signatures:␤:(Mu : &block;; *%_)␤:(Mu : %block;; *%_)␤␤ in main program body at line 22:/tmp/EJAMdKId6f␤» 14:58
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map:(* * 2).perl.say;
p6eval rakudo 1ddda5: OUTPUT«===SORRY!===␤Malformed parameter at line 22, near "* * 2).per"␤»
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map(* * 2).perl.say;
p6eval rakudo 1ddda5: OUTPUT«(0, 2, 4, 8, 16, 18)␤»
isBEKaml moritz: that example was straight off spec. it doesn't see the block, it seems. 14:59
moritz++ # resident expert on p6coding :)
moritz rakudo might get the precedence wrong in casecase like @a.map: {block}.another_method 15:00
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isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; my @blah = @stuff.sort.map: {* * 2}; @blah.perl.say; # how about if it were the last? 15:01
p6eval rakudo 1ddda5: OUTPUT«[{ ... }, { ... }, { ... }, { ... }, { ... }, { ... }]␤»
isBEKaml boo
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isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; my @blah = @stuff.sort.map: {* * 2}; @blah.join(",").perl.say; 15:02
p6eval rakudo 1ddda5: OUTPUT«"_block1108,_block1108,_block1108,_block1108,_block1108,_block1108"␤»
isBEKaml moritz++ again.
moritz isBEKaml: * * 2 itself constructs a block
isBEKaml: if you put anther { } around it, it creates a block that then returns the block created by * * 2 15:03
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; my @blah = @stuff.sort.map:{ {* * 2} }; @blah.join(",").perl.say;
p6eval rakudo 1ddda5: OUTPUT«Method 'map:{ {* * 2} }' not found for invocant of class 'Parcel'␤ in main program body at line 22:/tmp/htcSWXT6Ie␤»
moritz the form with no space between : and { is called an adverbial block, and not yet implemented in rakudo 15:04
isBEKaml block of blocks? should be an useful datastructure, perhaps.
moritz like higher-order functions
isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; my @blah = @stuff.sort.map: { {* * 2} }; @blah.join(",").perl.say;
p6eval rakudo 1ddda5: OUTPUT«"_block1120,_block1120,_block1120,_block1120,_block1120,_block1120"␤»
moritz rakudo: say { * + 3 }.().(5)
p6eval rakudo 1ddda5: OUTPUT«8␤»
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isBEKaml rakudo: my @stuff = <4 8 2 0 1 9>; my @blah = @stuff.sort.map: {* * 2}.() ; @blah.join(",").perl.say; 15:05
p6eval rakudo 1ddda5: OUTPUT«"0,2,4,8,16,18"␤»
isBEKaml I now know how it feels getting back in after sometime. :) 15:06
moritz: btw, there were some build failures last night that I reported here. Received no response, were they resolved?
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isBEKaml moritz: here: gist.github.com/1086781 15:10
rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map: {* * 2}.().perl.say; 15:12
p6eval rakudo 1ddda5: OUTPUT«{ ... }␤No candidates found to invoke for method 'map' on object of type 'Parcel'; available candidates have signatures:␤:(Mu : &block;; *%_)␤:(Mu : %block;; *%_)␤␤ in main program body at line 22:/tmp/T_mgcj7TVq␤»
isBEKaml hmm 15:13
pmichaud: Unless I missed something, the spec only talks about numification of values, not types. I think it's fair that the compiler should warn when numifying types. 15:15
isBEKaml tries building rakudo again
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moritz isBEKaml: it just means "random memory fuckup", that error message 15:19
isBEKaml: when I encounter such a thing, I usually nuke everything with 'git clean -xdf' and try again
isBEKaml moritz: that's what I tried now. Let's see after another hour or so. (that's how long it takes to build rakudo on my machine) :) 15:20
make realclean && git clean -xdf
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moritz :( 15:20
isBEKaml I know, I think it's worth the wait if you guys are going to wittle down core.pir step to something much smaller. 15:21
moritz setting compilation seems slow in nom again too :( 15:22
tadzik yeah :(
seems it was a matter of size 15:23
moritz hopes for pmichaud++'s awesome new regex engine to speed up the parsing
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moritz tadzik: right 15:23
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jlaire rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map({({$_ * 2})}).map({ $_.() }).perl.say 15:27
p6eval rakudo 1ddda5: OUTPUT«(0, 2, 4, 8, 16, 18)␤»
jlaire rakudo: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map({({$_ * 2})}).map(*.()).perl.say
p6eval rakudo 1ddda5: OUTPUT«invoke() not implemented in class 'Whatever'␤ in main program body at line 22:/tmp/p0aBe48eal␤»
jlaire niecza: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map({({$_ * 2})}).map({ $_.() }).perl.say
p6eval niecza v7-38-gf5e9082: OUTPUT«(0, 2, 4, 8, 16, 18).list␤»
jlaire niecza: my @stuff = <4 8 2 0 1 9>; @stuff.sort.map({({$_ * 2})}).map(*.()).perl.say
p6eval niecza v7-38-gf5e9082: OUTPUT«Unhandled exception: Unable to resolve method postcircumfix:<( )> in class Whatever␤ at /tmp/kSHWtzWib1 line 1 (MAIN mainline @ 4) ␤ at /home/p6eval/niecza/lib/CORE.setting line 1890 (CORE C885_ANON @ 2) ␤ at /home/p6eval/niecza/lib/CORE.setting line 189…
jlaire hm
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pmichaud nom's setting is somewhat bigger than masters 15:39
yes, I'm hoping the regex engine can speed it up. 15:40
I've been distracted by @housetasks the past couple of days, but I'm hoping/expecting to get back to work on it this evening. 15:41
CBro2007 whats a good place to look at a lot of sample p6 code?
pmichaud CBro2007: rosettacode.org 15:42
CBro2007 pmichaud: i hear that you are one of the main developers working on Rakudo
?
pmichaud CBro2007: I work on it from time to time, yes. 15:43
CBro2007 k
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isBEKaml moritz: same failure. :( 16:37
gist.github.com/1087764
pmichaud isBEKaml: there was a patch that needed to be applied to rakudo for gc write barriers... did that ever get applied? 16:39
This looks suspiciously like that problem.
isBEKaml pmichaud: not sure. I'm checking git logs 16:40
pmichaud: this is on master. was that patch to be applied on master? 16:41
pmichaud isBEKaml: yes. github.com/rakudo/rakudo/pull/26
Let me know if that patch fixes the problem, if so I'll apply it to master. 16:44
isBEKaml pmichaud: I'm applying it locally and running the build again. Will let you know in some time. 16:45
and yes, this machine has a lower memory than most. 512 megs.
pmichaud isBEKaml: many thanks 16:46
isBEKaml pmichaud: no problem, if atleast this is how I can contribute after some time. :) 16:48
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isBEKaml phenny: tell pmichaud That patch does solve the build failure on my machine. Thanks! :) 18:01
phenny isBEKaml: I'll pass that on when pmichaud is around.
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dalek kudo: 1c91ecb | (Rakudo Perl)++ | src/ops/perl6.ops:
Merge pull request #26 from atrodo/master

The new GC needs write barriers for certain ops		 18:14
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dalek kudo: f63b825 | pmichaud++ | build/PARROT_REVISION:
Bump PARROT_REVISION.
 18:46
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sorear good * #perl6 20:02
moritz * *, * 20:03
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Fuad hello folks 22:50
sorear hello, Fuad 22:56
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