Algebraic Data Type module for perl6

I'm crossposting this from perl.perl6.language, because I feel this place is more appropriate. Since that mail was written, an ADT module has been added to modules.perl6.org, it's hosted in this github repository: https://github.com/timo/ADT/ Looking forward to comments as well as issues and

Re: Diffrence between is and does in scope of overriding multi methods

On 27/06/14 10:07, Kamil Kułaga wrote: Hi, I would like to ask for help in understanding difference between this code: use v6; role X { multi method xyz(Any $a) {say Class X} } class Y does X { multi method xyz(Any $a) {say Class Y} } say

Re: Placeholder Variable

On 03/15/2015 09:41 PM, Tom Browder wrote: On Sun, Mar 15, 2015 at 2:55 PM, Timo Paulssen t...@wakelift.de wrote: ... Thanks, Timo! Subroutine arg handling is an awkward but very exciting improvement for an old but non-expert Perl 5 user. Very briefly, how does one properly translate

Re: Need help with: Cannot find method 'postcircumfix:( )'...

On 03/20/2015 03:40 AM, Brandon Allbery wrote: On Thu, Mar 19, 2015 at 10:33 PM, Tom Browder tom.brow...@gmail.com mailto:tom.brow...@gmail.com wrote: Why do you say that is not a method? The first line says Sorry, somehow I managed to misread that. So you want what I have already

Re: perl6 can't find installed modules, installed by panda

Hello Marcel, the mangled names of all the installed things is an unfortunate side-effect of the somewhat recent switch to a more database-based installation method. Inspecting the @*INC variable ought to give you some more insight to what's going on. there's also an environment variable

Re: UDP suport in rakudo

On 06/18/2015 09:47 AM, Kamil Kułaga wrote: Hi, Is it possible to listen UDP port with perl6? IO::Socket::INET seems to be TCP only At least on MoarVM we don't have UDP support yet. I've started in a little branch called udp_sockets in both MoarVM and NQP, but I didn't get terribly far.

Re: Passing a hash to a subroutine: best method?

On 07/03/2015 10:02 PM, yary wrote: On Fri, Jul 3, 2015 at 3:03 PM, Timo Paulssen t...@wakelift.de wrote: but this does not sub takes_int_array(Int @bar) { say @bar } takes_int_array([1, 2, 3]) because the type match is against the defined type. We do not automatically infer that [1, 2, 3

Re: Is creating and Array or Parcel ?

On 08/02/2015 02:35 PM, Lloyd Fournier wrote: @a = $z[0].list or in a less documented way: @a = $z[0] The idea is that you can store an array in ether a @ or $ variable. Where as in perl5 you could only store a reference in $ variable. The sigil simply tells perl6 how it should behave

Re: Coroutines

On 08/14/2015 12:04 PM, Matija Papec wrote: Hi, I'm looking for single threaded coroutines in perl6. Will hyper/race make them possible? Will 2015 production Rakudo include async IO? Right now I'm considering golang for scalable websocket service, but also wonder if perl6 would (and

Re: How to profile Perl 6 applications?

On 24/10/15 09:40, Moritz Lenz wrote: Hi Gabor, On 10/24/2015 09:26 AM, Gabor Szabo wrote: The Devel::NYTProf helped me a lot locating the source of slowness on the Perl Maven site. Is there something similar for Perl 6 so I can try to improve the speed of the Perl 6 Maven site too? Rakudo

Re: Rakudo won't install

I'm sorry, but the JVM back-end of rakudo is currently known to not compile and/or run very well.

Re: release?

On 12/28/2015 01:58 PM, Brock Wilcox wrote: > > Rakudo, as far as I know, passes all of the 6.c tests :). But that > might mean that we need more tests! > Actually, there's a whole bunch of tests declared "TODO" or skipped. But rakudo does pass a vast number of the existing tests.

Re: problem installing GTK::Simple

On 06/22/2016 06:33 PM, Theo van den Heuvel wrote: > Thanks Timo, > > this brings be further, but not quite out of the woods. I now get the > following (Windows 10): > > > # Failed test at t/01-sanity.t line 10 > # Dynamic variable @*INC not found > > with the ensuing failures. > > Any ideas? > >

Re: thread problem

I regret to inform you that we currently have that limitation. It's due to a design decision in libuv that we haven't found a good/the perfect work-around for in MoarVM. Instead of getting that error, you used to just get empty results, if I recall correctly. I haven't taken the time to read

Re: Can I use my Perl5 .pm modules in Perl6?

On 14/01/16 08:15, H.Merijn Brand wrote: Here's an example of ported DBI code: --8<--- #!perl6 use v6; use Inline::Perl5; my $p5 = Inline::Perl5.new; $p5.use("Text::CSV_XS"); my @rows; my $csv = $p5.invoke("Text::CSV_XS", "new") or die "Cannot use CSV: ", $p5.invoke("Text::CSV_XS",

Re: Finding and fixing Perl 6 bugs

AFAICT we usually recommend people report bugs via mail to rakudo...@perl.org Here's the places i could find (by targeted search, of course) that tell people to do it like that: - http://perl6.org/getting-started/ in the "side track", - http://rakudo.org/tickets/ - rakudo.org -> "bug tracker", -

Re: Need help with Nil values

Hello Emiliano, In this case, I think you may want to use just "Str" instead of "Nil". "Str" is the "type object" for Str objects, and you can check whether it's a string like "foo" or just the Str object by checking $!value.defined. There's a FAQ answer that's about "Any", but it works the

Re: Porting considerations

On 20/01/16 15:55, Parrot Raiser wrote: How difficult is it to port moar-VM to different versions of Linux, and different processor architectures? I'm thinking particularly of this machine: http://www.parallella.org/ which has multiple processors, designed, as the name suggests, for parallel

Re: A practical benchmark shows speed challenges for Perl 6

On 30/03/16 13:40, Tom Browder wrote: On Tue, Mar 29, 2016 at 10:29 PM, Timo Paulssen <t...@wakelift.de> wrote: On 03/30/2016 03:45 AM, Timo Paulssen wrote: Could you try using $filename.IO.slurp.lines instead of $filename.IO.lines and see if that makes things any faster? ... Ac

Re: panda seems to need nmake

On 06/03/16 15:31, Theo van den Heuvel wrote: Hi all, I am running Rakudo 2016-1 on Windows7 (64b) I tried "panda install Linenoise" and get the following result: [snip] From this I deduce that panda wants me to have nmake.exe available. Microsoft seems to have chosen to offer it only to

Re: stdout_is in Perl 6?

Hello Hiroki Horiuchi, there are two modules that should help you solve your problem: https://github.com/sergot/IO-Capture-Simple - "IO can be captured." https://github.com/zoffixznet/perl6-IO-MiddleMan - "hijack, capture, or mute writes to an IO::Handle" If IO::Capture::Simple or

Re: perl6 --profile-compile | --profile: both very slow and depend on Internet resources

On 01/04/16 17:08, Tom Browder wrote: Alternatively, there's a qt-based profiler up on tadzik's github that can read the json blob (you will have to --profile-filename=blahblah.json to get that), but it doesn't evaluate as much of the data - it'll potentially even fail completely what with

Re: perl6 --profile-compile | --profile: both very slow and depend on Internet resources

The profiler's data blob is a massive, gigantic blob of json (ls the file and you'll see). You can easily search the urls to point at local files instead of the CDN. Alternatively, there's a qt-based profiler up on tadzik's github that can read the json blob (you will have to

Re: Two topics not found in docs search: 'constant' and 'heredocs'.

On 04/04/16 13:42, Shlomi Fish wrote: How are you searching exactly? With which command/which URL? -- Shlomi Probably the search field on the doc page. I can reproduce both terms not giving any results there. I think you'd have to use the X tag in the pod source to create an index

Re: How to use NativeCall with a libc function?

Hey Tom, in NativeCall, "is rw" has a very special meaning. For example, if you have "int32 $foo is rw", you'll actually give the native function a pointer to an int, and perl6 will make that work out for you properly if you have an "int" or an "Int" variable that you pass. Apparently we

Re: A practical benchmark shows speed challenges for Perl 6

On 03/29/2016 10:47 PM, Tom Browder wrote: > On Wednesday, February 3, 2016, Tom Browder > wrote: > > I use Perl for heavy duty text processing. A question on Perl Monks > about Perl 5's handling of a large input file got me wondering

Re: A practical benchmark shows speed challenges for Perl 6

On 02/03/2016 02:59 PM, Tom Browder wrote: > I tried the suggestion from Bart Wiegmans to compile the program: > > $ perl6 --target=mbc --output=read-file-test.moarvm read-file-test.p6 > $ time perl6 read-file-test.moarvm large-1-gb-file.txt > Error while reading from file: Malformed UTF-8 > > So

Re: testing with a "warn"

I didn't actually read the other mail in this thread yet, but you can catch a control exception (like warn uses) with a CONTROL block. Don't forget to .resume the exception unless you want it to break out of your code, too. Hope to help! - Timo

Re: pod: Missing semantic block

On 16/05/16 14:00, Hans Ginzel wrote: Hello! Add, please, semantic block "=EXAMPLES" to pod. http://design.perl6.org/S26.html#Semantic_blocks Examples are very often missing in classical man pages. Thank you, Hans Hello Hans, it says in the speculations that all uppercase block typenames

Re: Helping Perl 6: a complete dev environment

I just have a ~/perl6 where i have a clone of MoarVM/MoarVM, perl6/nqp, and rakudo/rakudo. You just have to provide each Configure.pl with the same --prefiix - in my case that's ~/perl6/install - then everything will find each other. There's some extra paths in my $PATH:

Re: Blobs and IEEE floating point

On 19/04/16 01:58, Kevin Pye wrote: […] > 2. Write a simple C function to take a pointer to a double and return > the double, put that into a shared library and then use NativeCall. > […] Fortunately, you don't have to use a library with a custom function. You can just use "nativecast" for

Re: mocking $*OUT

You're getting a stack trace that's missing the helpful bits, because they go through the core setting, and our default backtrace printer skips those. You can get the vital information you need by supplying --ll-exception directly after perl6. It'll show you that calling the sub "say" will grab

Re: need {} help

/ doesn't have a meaning in regex, but it's not an alpha character, so if you want to "match literally" it "must be quoted" as the first error message tells you. On top of that, balanced characters like () and {} aren't allowed for the s/// form (only for the assignment form which looks like s{

Re: print to STDERR problem

Can you suggest how to improve the warnings about its obsolescence? Right now it says: > > This file is part of the Perl 6 Archive > > Note: these documents may be out of date. Do *not* use as reference! > > To see what is currently happening visit http://www.perl6.org/ > And then a bit

Re: sub for die?

It is usually considered The Right Thing to output error messages to stderr instead of stdout; you can use "note" to output to stderr (and it'll also put a newline at the end for you, which print doesn't do).

Re: intercept STDERR

Normally it's enough to override $*ERR for this purpose. I suggest using IO::MiddleMan to do that, or maybe IO::Capture::Simple. HTH - Timo

Re: reverse of .lines?

On 18/02/17 06:09, ToddAndMargo wrote: > On 02/17/2017 07:44 PM, yary wrote: >> Oh, then chain join on the end: >> >> my $StringReversedLines = >> $StringFullOfLineFeeds.lines.reverse.join("\n") >> >> or >> >> my $StringReversedLines = >> $StringFullOfLineFeeds.split("\n",:v).reverse.join >>

Re: cifs control

On 18/02/17 06:04, ToddAndMargo wrote: > Hi All, > > Sorry for the 1000 questions today, but I have anb entire > week to think them up. And I have another one. > > In Windows, I am noticing that Cobian Backup and Windows > Explorer (not Internet Explorer) can tool around CIFS > (Windows) shares

Re: print to STDERR problem

On 02/19/2017 11:15 PM, ToddAndMargo wrote: > On 02/19/2017 07:15 AM, Timo Paulssen wrote: >> Oh, another question: >> >> please tell us how you reached that site? I expect you did a google >> search or something; can you tell us what search terms you've used to >&g

Re: print to STDERR problem

Oh, another question: please tell us how you reached that site? I expect you did a google search or something; can you tell us what search terms you've used to get there? We should obviously improve the docs so that they get found instead of the archive …

Re: lwp. Where are the directions?

You might have more luck with HTTP::UserAgent: https://github.com/sergot/http-useragent Hope that helps! - Timo On 21/08/16 09:19, ToddAndMargo wrote: > Hi All, > > Where are the directions to use > > http://modules.perl6.org/#q=LWP > > (I do not have Perl 6 installed yet. I was hoping >

Re: grammars and indentation of input

I haven't read your code, but your question immediately made me think of this module: https://github.com/masak/text-indented Would be interested to hear if this helps you! - Timo

Re: coded size limits on Perl data types?

On 09/13/2016 03:12 PM, Timo Paulssen wrote:> If one big integer is allowed to be 14 gigabytes big (if we use the > default of 28 bits per "mp digit"; it's also possible to use 31 or > 60.), we can still safely say "limited only by memory" for now. Something else tha

Re: Multithreading, GC

Hi there, let me answer a few of your questions real quick: On 05/10/16 20:38, Joseph Garvin wrote: > > What is the state of multithreading in Perl 6 (MoarVM)? > Specifically: > > * Can two threads preempt one another? MoarVM has threads that map to operating system level threads. Rakudo exposes

Re: can Perl 6 bootstrap itself (downloading modules and such via git)

On 26/08/16 11:03, Andreas Mueller wrote: > on Windows i have to install git to download a Module > > maybe, one day there is a 'git' written in P6 > > > Andreas I think we should be able to grab modules without using git if we can rely on github and gitlab and whoever hosts modules to give

Re: Graphical Toolkits

On 08/25/2016 11:30 AM, Kaare Rasmussen wrote: > Hi > > ISTM that right now the only option if you want to develop a graphical > desktop application is GTK. At least it seems to be the only one on > the modules list. You may very well correct me if I'm wrong. > > I'm thinking if anybody has any

Re: Startup performance on OS X

On my machine it's about 0.1 seconds. The machine i'm using has this CPU in it: Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz And it runs off an SSD. - Timo

Re: rakudobrew failing to build moar

It looks like the compilation process just crashes. Could it be you don't have enough RAM? Building the core setting unfortunately takes quite a bit of memory, since it's such a gigantic piece of code. Try re-running with a swap file maybe? Alternatively, cd into the rakudo folder that

Re: What's the Perl 6 equivalent of Python `itertools.chain`?

Something like this should do what you want: timo@schmand ~> perl6 -e 'my $a = gather for ^5 { say "get from a!"; take $_ }; my $b = gather for ^5 { say "get from b!"; take 10 * $_ + 1 }; .say for (|$a, |$b)' get from a! 0 get from a! 1 get from a! 2 get from a! 3 get from a! 4 get from b! 1 get

Re: zenity sub

Zenity is already meant to be run by other programs (like shell scripts). Please see these documentation pages for info about how to invoke existing programs: https://docs.perl6.org/syntax/qqx https://docs.perl6.org/language/quoting#Shell_quoting_with_interpolation:_qqx Hope that helps!

Re: zenity sub

Surely you could already build a decent zenity-like in Perl 6 using GTK::Simple. But I suggest using qx for calling the zenity binary from your system. - Timo

Re: "not" question

On 27/03/17 19:26, ToddAndMargo wrote: > and `none("789")` is the opposite of `contains`? Nah, the fact that anything in the junction means "contains" is just because you're feeding the junction through the contains method. Junction evaluation happens with something we call "autothreading" (even

Re: regex and performance question

Yeah, junctions are super useful, but not very fast. compare these two pieces of code: so "hello how are you today?".contains("hello" & "u t") for ^1_000_000 and my $target = "hello how are you today?"; so $target.contains("hello") && $target.contains("u t") for ^1_000_000 On my

Re: "not" question

!"789" is just False. On 27/03/17 18:53, ToddAndMargo wrote: > Hi All, > > What am I doing wrong in my "AND not 789"? > > $ perl6 -e 'my $x="abc123def456"; > my $y="123"; if $x.contains( $y & "abc" & ! "789" ) > {say "Yes"} else {say "no"};' > > no > > -T >

Re: "not" question

; }' Yes This uses a "none" junction, which takes part in the whole junction evaluation process, as opposed to the prefix: which just negates a value straight-up and doesn't know it's being used inside a junction. HTH - Timo On 27/03/17 19:11, Timo Paulssen wrote: > !"789" i

Re: gtk::simple progress bar?

On 03/27/2017 09:40 PM, ToddAndMargo wrote: > Hi All, > > Can GTK::Simple do a progress bar? > > Not seeing an example here: > https://github.com/perl6/gtk-simple/tree/master/examples > > -T > It's not documented, but it's implemented:

Re: What module do I use to create a "windows"?

Do it with GTK::Simple, or shell out to zenity On 27/03/17 20:52, ToddAndMargo wrote: > Hi All, > > RHEL 7.2 and Fedora 25. > > I would like to create a window that presents the user > with a dynamically generated list for him to choose from, > along with a "next" and a "cancel" button. > > What

Re: Failed to open file .. too many open files

Please use "$.source_dir/authors.txt".IO.lines instead of open + lines. with the former you're expressing you really only want to read all the lines out of the file and be done with it. when you open and then call .lines, you're saying nothing about what you want to do with the file handle

Re: Can this OR be shortened?

I seem to recall you asked about performance recently the regex engine has a significant overhead. Your regex is equivalent to $Terminal.contains('xterm' | 'linux') though of course if you only test this once at the beginning of the program, you can ignore that.

Re: Can this OR be shortened?

On 25/03/17 12:53, Tom Browder wrote: > On Fri, Mar 24, 2017 at 10:36 PM, Timo Paulssen <t...@wakelift.de> wrote: >> I seem to recall you asked about performance recently >> >> the regex engine has a significant overhead. > ... > > Isn't that somewhat mitigated

Re: write string requires an object with REPR MVMOSHandle

As part of the IOwesome grant, zoffix is going to fix this error. It's what you get when you try to write to or read from or do anything with a closed IO::Handle. When you use "LEAVE:" you're just declaring a label called "LEAVE". There are no labels with special function, so your code is

Re: Failed to open file .. too many open files

i highly suggest you slurp instead of open + slurp-rest, because that will automatically close the file for you, too. other than that, you can pass :close to the slurp-rest method and it'll also close the file. if you're not closing the files you're opening, you'll be relying on the garbage

Re: my command line notes:

On 14/03/17 20:58, ToddAndMargo wrote: > > #!/usr/bin/perl6 > > if not @*ARGS.elems > 0 { say "command line is empty"; exit 0; } > > say "\@\*ARGS has " ~ @*ARGS.elems ~ " elements"; > say " \@\*ARGS = <" ~ @*ARGS ~ ">"; > say " \@\*ARGS.perl = <" ~ @*ARGS.perl ~ ">\n"; > > say "say

Re: Question for the developers on splice

Shifting from the front will just move the "beginning" pointer one slot forwards, and popping will decrease the "element count" number. I'm not sure if splice with an empty "insertion" list that happens to be at the end will also just reduce the number of elements or if it does a bit of

Re: issues with

Hey, X11::Xlib::Raw is buggy. It has to have all modules it uses internally inside its "provides" section in the META6.json, otherwise "use" will not find them. I'll open a ticket with the module author. HTH - Timo On 08/03/17 22:08, ToddAndMargo wrote: > Hi All, > > What is wrong with this?

Re: How to defined reversed word in a perl6 grammar ?

Hi, Wouldn't it be enough to use something that backtracks? As you might know, "token" is "regex + ratcheting" and "rule" is "token + sigspace". HTH - Timo

Re: Variables in modules

"my" variables are lexically scoped to the curly braces that contain them. That means that your $IAm is limited exactly to that init block. Also, =~ isn't in perl6. You can put "my $IAm" outside that block and assign to it inside the block, though. HTH - Timo

Re: Your thoughts on Padre?

On 09/03/17 08:29, ToddAndMargo wrote: > https://atom.io/ > > as it is specifically written for Perl 6 Not quite. It's a general-purpose code editor that you could say comes from the javascript corner of programming. However, we do have active devs improving the perl6-related plugins for

Re: program/script question

On 07/03/17 10:54, Brandon Allbery wrote:> Perl compiles to an internal AST, as does Python --- but there are > "compilers" for both, at various levels [...] more precisely, python code compiles down to bytecode rather than sticking around at an AST level.

Re: Design question re: function parameters

On 07/03/17 17:59, Sean McAfee wrote: > […] If I want to freely accept both numbers and strings in the manner > of > Perl 5, it looks like I must type all of my function arguments as > Cool, or omit the types altogether. […] Don't forget you can use a coercive type in parameter lists: sub

Re: I need the rules for qx with a pipe inside

> For example: > > sub WriteSecondaryClipboard ( $Str ) { # >my $Cmd = "echo \"$Str\" | xclip -selection clipboard"; > shell $Cmd; > } > > > problem solved. Please don't forget that if $Str can be modified by a user or outside process somehow, you've opened the door to remote code

Re: I need the rules for qx with a pipe inside

This is because of how xclip works. It keeps running until you kill it, or until the number of pastes has been reached that you specify with -loops. You will want to use Proc::Async or run with an :in parameter instead of shelling into a redirect with echo, here's why: timo@schmand ~> cat

Re: I need the rules for qx with a pipe inside

> Is there a way to send and "end of file" marker to terminate the pipe? That is exactly what the call to .close does.

Re: dies-ok can return ok on everything dying

You will be delighted to learn of the existence of the "throws-like" subroutine in rakudo's Test.pm There's also lots and lots of examples for its usage (and its power!) in perl6/roast. HTH - Timo

Re: Debugging and Perl6::HookGrammar

Sadly, the debugger has bitrotted a little bit. I tried the obvious fix which was to replace setlang with define_slang, but that just gets it up to the next error, which looks like the behavior of Perl6::Grammar has changed and Perl6::HookGrammar hasn't been updated to match or something. I'll

Re: ping TImo: buf as a print

If you want to look at what the Buf contains, you need to "say $image" or "print $image.gist" or "print $image.perl". If you want to put it into a file, use spurt (which can accept a Buf and realize it's supposed to write out binary), or use the write method on a file handle (best opened with

Re: Net::SMTP raw, where is the username and password?

Did you read my very long post on the Net::SMTP issue you opened?

Re: Net::SMTP is messed up

This comes from IO::Socket not properly handling non-list values of the nl-in property. This change came in with the recent refactor to make encoders customizable in perl6 code. I'm going to push a fix to rakudo soon. It sounds like you're using a rakudo version that's not an official release?

Re: Net::SMTP is messed up

The fix is now in rakudo master. HTH - Timo

Re: [retupmoca/P6-Net-SMTP] RFE: attachments (#14)

On 10/07/17 06:48, ToddAndMargo wrote: > Hi Timo, > > I don't understand. How do you sent this to Net::SMTP? > Where is the SMTP server's address and user name? In > Net::SMTP by chance? > > I have successfully used Net::SMTP before, but I don't get what you > are saying. > > I am confused. :'(

Re: Memory usage

On 19/07/17 21:52, Gabor Szabo wrote: > Hi, > > is it possible to get the size of memory used by the current Perl 6 > process? (From inside the code) > Is it possible to get the size of the individual variables? > > Gabor I'm not aware of something cross-platform that rakudo offers for memory use

Re: Why is my class rejecting new()?

On 20/07/17 11:51, Mark Carter wrote: > > I have a class definition: > > class Etran { > has $.dstamp is rw; > has $.folio is rw; > has $.ticker is rw; > has $.qty is rw; > has $.amount is rw; > has $.desc is rw; > > method new($line) { >

Re: set (+) set = bag ?

You want (|) to get the union of two sets as a set. https://docs.perl6.org/language/setbagmix#Set%2FBag_Operators hth - Timo

Re: Announce: Rakudo Star Release 2017.07

Were there any failures before the "Building NQP ..." step? Somehow the moarvm that's packaged with the rakudo star didn't end up getting installed into your .local/bin, so you're getting the previous version, which - unsurprisingly - isn't new enough for current NQP and Rakudo.

Re: Bi-directional communication with another process

We have Proc::Async which removes the need for the select call itself

Re: : question

The first one is valid perl 6 code and the bottom one is not. It's likely you were looking at JSON (or equivalently JavaScript) and confused that with perl6 code.

Re: : question

This article uses httpbin.org which is a nice service that'll take any kind of request and tell you exactly what it saw. It shows what it got as a json dictionary literal. Here's an example for your browser, so you can just click it:

Re: Need sub for `LWP::UserAgent`

there's an example in the readme that goes like this: my $curl = LibCurl::Easy.new(:verbose, :followlocation); the followlocation part should be right for you

Re: Task::Star and Panda

I removed the recommendation to install Task::Star yesterday, so as of writing of your email it shouldn't have been on rakudo's website at least. did you find a reference to Task::Star somewhere else?

Re: Task::Star and Panda

On 05/23/2017 08:21 PM, ToddAndMargo wrote: > Would substituting "broken" for "stinks" be polite enough? That's wrong, though. You can still install modules with panda, it's not broken, just no longer in development.

Re: Are sigils required?

You can bind an explicitly created scalar into a sigil-less variable and it'll be variable rather than constant

Re: Task::Star and Panda

On 05/26/2017 07:28 PM, Will Coleda wrote: > Again, panda is not actually broken. Sounds like it was missing in a > travis > config, but that isn't an issue with panda, per se. It's that almost all travis configs start with "rakudobrew build panda" which now dies, so immediately a whole bunch of

Re: Compiling Rakudo in parallel

Sadly, the majority of rakudo's and nqp's compilation is serialized (due to the dependencies between the individual pieces). If you build more than one backend at the same time, i.e. moar + jvm, you can build both in parallel. On the other hand, the biggest chunk of time is spent compiling the

Re: ding!

We have portaudio, which you can write PCM data to, and it'll play.

Re: list named argument in MAIN

It seems like this only works if you supply --dirs= multiple times perl6 -e 'sub MAIN (List :$dirs=[]) { .say for @$dirs }' --dirs=d1 --dirs=d2 --dirs=d3 d1 d2 d3 HTH - Timo

Re: contains question

Yup, you can use it as a method call like this: perl6 -e '"foobar".&[~~](/foo/).say' ｢foo｣ HTH - Timo

Re: getting help in the REPL

timo@schmetterling ~> perl6 -e '#| this is sub foo documentation sub foo() { }; say say ' this is sub foo documentation No such method 'WHEREFOR' for invocant of type 'Pod::Block::Declarator'. Did you mean 'WHEREFORE'? in block

Re: getting help in the REPL

WHY and WHEREFOR are "fully" supported, it's just that we've not put any pod into the core setting and we don't have helper code that loads it "lazily" when WHY is called the first time on a core class or sub …

Re: How to pin down a bug in Rakudo?

Have you considered the effects of lazy evaluation for the hash's values method? .sort will eagerly evaluate the whole .values list (i.e. snapshot it) while iterating over it will include added keys and such.

Re: Creating an array of a single hash

Yeah, you can use the prefix $ to itemize things, like so: timo@schmand ~> perl6 -e 'my @y = ${ name => "Foo" }; say @y.gist; say @y.^name; say @y[0].^name' [{name => Foo}] Array Hash HTH - Timo

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