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»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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| AlexDaniel_ | timotimo: well, it says “syntax error” | 00:08 | |
| so it's very on point | |||
| geekosaur | p5's not known for awesome error messages | ||
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| AlexDaniel_ attempts unclosed quote in perl5 and laughs | 00:13 | ||
| hmmmmm but it does point to the right line! | |||
| AlexDaniel_ takes back his laugh | |||
| HoboWithAShotgun | doh! | 00:15 | |
| i thougt in a construct like: if $obj does SomeRole would test wether $ob is doing a role or not | 00:16 | ||
| that introduced an interesting bug | |||
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| HoboWithAShotgun | m: role a { method x {}; }; my a $x; $a does a; say a.^methods.elems; | 00:17 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Variable '$a' is not declared at <tmp>:1 ------> 3role a { method x {}; }; my a $x; 7⏏5$a does a; say a.^methods.elems; |
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| HoboWithAShotgun | m: role a { method x {}; }; my a $x; $x does a; say x.^methods.elems; | 00:18 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Undeclared routine: x used at line 1 |
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| HoboWithAShotgun | m: role a { method x {}; }; my a $x; $x does a; say $x.^methods.elems; | ||
| camelia | Cannot use 'does' operator with a type object. in block <unit> at <tmp> line 1 |
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| HoboWithAShotgun | m: role a { method x {}; }; class A does a {}; my A $x = A.new; $x does a; say $x.^methods.elems; | ||
| camelia | 2 | ||
| HoboWithAShotgun | which method wins here? the last added? and can i "undo" a role from an obj | 00:19 | |
| timotimo | you can't, unless you store the original object and use "but" instead of "does" | 00:23 | |
| mson | How do I define a custom printing for my object? | ||
| timotimo | mson: override the gist method, or the Str method | ||
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| mson | Thanks | 00:24 | |
| timotimo | gist is meant to "give you the gist" as human-friendly abbreviated output | ||
| for example, lists gist to have spaces instead of comma and quotes between the elements, and they stop at the 100th element | |||
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| timotimo | m: my @a = <hi there 1 2 3 foo bar>; say @a.gist; say @a.Str | 00:24 | |
| camelia | [hi there 1 2 3 foo bar] hi there 1 2 3 foo bar |
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| timotimo | and Str is joined by spaces, too, but doesn't have opening and closing brackets | 00:25 | |
| mson | Ah, nice distinction. So if I don't override gist but do override Str, which does say call? | ||
| timotimo | m: my %foo = a => 1, b => 2, c => 3; say %foo.gist; say %foo.Str | ||
| camelia | {a => 1, b => 2, c => 3} a 1 b 2 c 3 |
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| timotimo | say calls gist, put is like say but calls Str instead | ||
| geekosaur | say always does .gist | ||
| timotimo | but if you do 'say "something involving $foo"' it'll use .Str because that does regular string concatenation before say even enters the picture | 00:26 | |
| in that case you can 'say "something involving ", $foo' and i think that uses gist for $foo then | |||
| geekosaur | ...it suddenly occurs to me that if we ever get that p5 optimization then it could change program behavior | 00:27 | |
| (where interpolations in that context get rewritten to not be interpolations) | |||
| timotimo | please elaborate? | 00:29 | |
| geekosaur | hm, actually I think p5 always turns that into concat, so maybe not. | 00:30 | |
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| geekosaur | was thinking p5 rewrites to not be an interpolation, thereby saving some string (re)allocations, but if it did so in something like say then it could change a .Str into a .gist | 00:30 | |
| timotimo | in p6 that also gets turned into straight up &infix:<~> invocations i believe | ||
| geekosaur | but I think concat in p5 also always does .Str? | ||
| er, in p6 | 00:31 | ||
| timotimo | yes, concat always uses Str, or rather .Stringy i guess? | ||
| geekosaur | it'd be a potential problem if it did .gist | ||
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| geekosaur | (but a firther optimization mght be to save mroe allocations by recognizing it could avoid the contact when it;s being done for .say --- but then you have to make sure it .Str-s instead of letting say .gist it) | 00:32 | |
| ... what is with my typing | |||
| avoid the concat | |||
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| timotimo | it could very well be our strands implementation conveys that potential benefit already | 00:34 | |
| mson | Gotcha, thanks both. | 00:36 | |
| I'm on the docs/routine/gist page, but it lists so many methods. Should I override the Mu method, or something else? | 00:37 | ||
| timotimo | going to bed, gnite! | 00:38 | |
| mson | night | ||
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| timotimo | there'll only be the method gist you put into your class that'll be relevant | 00:38 | |
| geekosaur | youy change the type/class you want to affect it in; anything else will use the .gist of the thing it's trying to stringify | 00:39 | |
| timotimo | it's important to know that what's before the : in the signature (like Blob:D) is what the method is called on | ||
| o/ | |||
| Herby_ | \o | 00:40 | |
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| geekosaur | btw rt.perl.org/Public/Bug/Display.html?id=123016 is the sort of thing that 'leaks' how .gist is implemented and inherited or not inherited | 00:42 | |
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| geekosaur | (caused by the thing using it being handed something it only knows as Mu, so it uses Mu.gist instead of the specific class's .gist. which is arguably incorrect OO but the runtime cost of doing it right in at least some cases is rather high) | 00:45 | |
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| mson` | Can someone help me understand "No such method <method> for invocant of type 'Any'"? Code is here if it helps: pastebin.com/3cQz8vmg | 00:56 | |
| geekosaur | would help to know which method and where the error occurs | 00:58 | |
| mson | Oh yeah. In gist, line 19, after the say on line 25. | 01:00 | |
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| geekosaur | oh, I think you are doing this incorrectly | 01:07 | |
| the bare .concat_list_str does not operate on 'self' but on $_ | |||
| $_ is Any | 01:08 | ||
| (it is not set to the current instance) | |||
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| geekosaur | you either want concat_list_str to be a method on Node and use $.head.concat_list_str, or to be a sub and call it without the . | 01:09 | |
| or explciitly use self.concat_list_str(...) | |||
| likewise with the recursive call | |||
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| mson` | Aha. sub was what I wanted. Thanks. | 01:11 | |
| Herby_ | what does everyone use for parsing html in p6? | 01:12 | |
| BeautifulSoup makes it easy when I'm poking around Python | |||
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| AlexDaniel_ | .seen Herby | 01:25 | |
| yoleaux | I saw Herby 5 Nov 2016 22:43Z in #perl6: <Herby> \o | ||
| AlexDaniel_ | .seen Herby_ | ||
| yoleaux | I saw Herby_ 01:12Z in #perl6: <Herby_> BeautifulSoup makes it easy when I'm poking around Python | ||
| AlexDaniel_ | .tell Herby normally Gumbo ( github.com/Skarsnik/perl6-gumbo ), but see RT #131003 | 01:26 | |
| yoleaux | AlexDaniel_: I'll pass your message to Herby. | ||
| AlexDaniel_ | oops | ||
| .tell Herby_ normally Gumbo ( github.com/Skarsnik/perl6-gumbo ), but see RT #131003 | |||
| yoleaux | AlexDaniel_: I'll pass your message to Herby_. | ||
| synopsebot | RT#131003 [open]: rt.perl.org/Ticket/Display.html?id=131003 [ANNOYING][SEGV] Heap corruption when using Gumbo | ||
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| Herby_ | AlexDaniel: thanks for the gumbo | 02:49 | |
| yoleaux | 01:26Z <AlexDaniel_> Herby_: normally Gumbo ( github.com/Skarsnik/perl6-gumbo ), but see RT #131003 | ||
| synopsebot | RT#131003 [open]: rt.perl.org/Ticket/Display.html?id=131003 [ANNOYING][SEGV] Heap corruption when using Gumbo | ||
| Herby_ | how do I find the index of an element in an array? <john mary joseph sam> and I want to return the index of Mary | 02:50 | |
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| geekosaur | m: <john mary joseph sam>.grep('mary', :k).say | 02:56 | |
| camelia | (1) | ||
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| geekosaur | :k means return the key, which for a Positional is the index | 02:57 | |
| Herby_ | geekosaur: thanks | ||
| my google-fu wasnt returning anything, other than an perl6maven article on a grep-index method | |||
| thou | m: my @a = <john mary joseph sam mary>; sub find($needle, @haystack) { for @haystack.kv -> $k, $v { return $k if $v eq $needle }; return Nil; }; say find('mary', @a); | ||
| camelia | 1 | ||
| thou | ^ What happens when you don't realize grep has :k option | 02:58 | |
| Herby_ | haha that's about how I was trying to put it together :) | ||
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| Herby_ | another basic question: is it possible to do multiple assignments in one line? | 03:02 | |
| my $a; my $b; $a, $b = 1, 2 | |||
| weabot | yes | ||
| actually we'll see | 03:03 | ||
| m: my $a; my $b; $a, $b = 1, 2 | |||
| camelia | WARNINGS for <tmp>: Useless use of $a in sink context (line 1) Useless use of constant integer 2 in sink context (lines 1, 1) |
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| weabot | not like this | ||
| ugexe | m: my $a; my $b; ($a, $b) = 1, 2; say $a; say $b | 03:04 | |
| camelia | 1 2 |
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| weabot | well here we go | ||
| Herby_ | ahh ok | ||
| weabot | and like this you can make a function return many values and assign them like this | ||
| Herby_ | my @a; my $b; my @cats = <sam diane>; ($a, $b) = @cats; say $a; say $b; | ||
| m: my @a; my $b; my @cats = <sam diane>; ($a, $b) = @cats; say $a; say $b; | |||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Variable '$a' is not declared. Did you mean '@a'? at <tmp>:1 ------> 3my @a; my $b; my @cats = <sam diane>; (7⏏5$a, $b) = @cats; say $a; say $b; |
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| Herby_ | m: my $a; my $b; my @cats = <sam diane>; ($a, $b) = @cats; say $a; say $b; | 03:05 | |
| camelia | sam diane |
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| Herby_ | great. thanks weabot | ||
| I'm working my way through Automate The Boring Stuff, but using Perl 6 instead of Python of course | 03:06 | ||
| and using Think Perl 6 as reference where I can | |||
| weabot | m: sub f(0) { return ($x + 1), ($x + 2),($x + 3); } my $a; my $b; my $c; ($a, $b, $c) = f(0); | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Variable '$x' is not declared at <tmp>:1 ------> 3sub f(0) { return (7⏏5$x + 1), ($x + 2),($x + 3); } my $a; my |
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| weabot | m: sub f($x) { return ($x + 1), ($x + 2),($x + 3); } my $a; my $b; my $c; ($a, $b, $c) = f(0); | 03:07 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Strange text after block (missing semicolon or comma?) at <tmp>:1 ------> 3 { return ($x + 1), ($x + 2),($x + 3); }7⏏5 my $a; my $b; my $c; ($a, $b, $c) = f(0 expecting any of: in… |
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| weabot | yup | ||
| weabot goes on to an interpreter | |||
| well it works in the interpreter | 03:08 | ||
| Herby_ | hmm | ||
| weabot | sub f($x) { return $x+1, $x+2, $x+3; } my $a; my $b; my $c; ($a, $b, $c) = f(0); | 03:09 | |
| right | |||
| sub f($x) { return $x+1, $x+2, $x+3; } my $a; my $b; my $c; ($a, $b, $c) = f(0); put($a, $b, $c) | |||
| ugexe | m: sub f($x) { return ($x + 1), ($x + 2),($x + 3); }; my $a; my $b; my $c; ($a, $b, $c) = f(0); | ||
| camelia | ( no output ) | ||
| geekosaur | combined on one line like that, it needs the ; after the sub definition | 03:11 | |
| weabot | oooh ok | 03:13 | |
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| lizmat clickbaits p6weekly.wordpress.com/2017/10/09/...r-empathy/ | 08:11 | ||
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| tyil | hoelzro: I added a PR to the vim-perl6 repo | 08:14 | |
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| thunktone | Is it possible to use a Signature variable when defining a new sub? | 09:33 | |
| m: my $sig=:(Str $word, Int $count); sub rep $sig {print "$word " for $count}; rep 'hello', 3; | |||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Missing block at <tmp>:1 ------> 3y $sig=:(Str $word, Int $count); sub rep7⏏5 $sig {print "$word " for $count}; rep ' expecting any of: new name to be defined |
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| jnthn | thunktone: No | 09:34 | |
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| thunktone | ok, thanks | 09:35 | |
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| sproctor | @jnthn any plans for a cro 0.7.1 release including the recent bug fixes and the like? | 09:37 | |
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| jnthn | sproctor: Yes, later this week, or next week, depending on how much time I find and how hard figuring out getting it onto CPAN will be :) | 09:41 | |
| sproctor | Cool. I keep meaning to take another look at it and I was hoping to have a slide or two about it in my talk for the LPW at the end of next month. | ||
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| araraloren | evening | 10:27 | |
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| DrForr | %greeting<local> | 10:32 | |
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| piojo | m: sub foo(% (:name(:$n))) { say $n; }; foo {name => 'Bill'} | 10:49 | |
| camelia | Bill | ||
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| piojo | What's the meaning of the ':' in ':$n'? It's optional, and causes problems if you try to unpack to a variable with the same name | 10:50 | |
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| piojo | m: sub foo(% (:name(:$name))) { say $name; } | 10:51 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Name name used for more than one named parameter at <tmp>:1 ------> 3sub foo(% (:name(:$name)))7⏏5 { say $name; } |
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| piojo | but this is okay: | 10:51 | |
| sub foo(% (:name($name))) { say $name; }; foo {name => 'Bill'} | |||
| m: sub foo(% (:name($name))) { say $name; }; foo {name => 'Bill'} | |||
| camelia | Bill | ||
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| CIAvash[m] | :$name is the same as :name($name) | 10:59 | |
| m: sub foo(% (:$name)) { say $name; }; foo {name => 'Bill'} | |||
| camelia | Bill | ||
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| piojo | CIAvash: thanks. I must have mistyped that when I tried it | 11:02 | |
| CIAvash: but the docs say to use % (:key-name(:$var-name)) (in the case where the two names don't match). Any idea what the second ':' is for? | 11:03 | ||
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| piojo | .tell Zoffix thanks for your work on repl-mode. Extremely helpful for use in cygwin. | 11:05 | |
| yoleaux | piojo: I'll pass your message to Zoffix. | ||
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| CIAvash[m] | m: sub foo(% (:name(:$n))) { say $n; }; foo {name => 'Bill'}; foo {n => 'Jill'}; | 11:10 | |
| camelia | Bill Jill |
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| CIAvash[m] | I think you would do that if you wanted to use multiple key names. Can you give the link to the docs where it says you have to do this? | 11:15 | |
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| piojo | CIAvash[m]: it doesn't say you have to, but it's the example: docs.perl6.org/type/Signature#Dest...Parameters | 11:32 | |
| I'd like to understand what that colon means, and hopefully add it to the docs. (I could also add | and ! to the docs for capturing hash elements, since they're useful) | 11:33 | ||
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| piojo | ! and | work just like in regular signatures--making a hash element required, and allowing additional hash elements that aren't named | 11:34 | |
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| CIAvash[m] | The docs probably need to show how to actually call and use the functions in the examples | 11:40 | |
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| CIAvash[m] | the colon before variable is useful when the pair's key and the variable's name are the same, so you don't have to repeat it. | 11:46 | |
| docs.perl6.org/type/Signature#Posi..._vs._Named | |||
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| Geth | doc: fluca1978++ created pull request #1594: Add a short introduction to subroutines and precedence dropping. |
11:47 | |
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| piojo | CIAvash[m]: Thanks, but I'm not sure that applies here, because it's the second colon--> :name(:$username) | 11:49 | |
| CIAvash[m]: I've gotta run now, but I'll add some more examples and make a PR, then will file an issue that asks why :name(:$username) is shown instead of :name($username) | 11:50 | ||
| CIAvash[m] | piojo: Yeah, I don't think it's necessary there, unless I'm missing something. | 11:53 | |
| wander4096 | gist.github.com/W4anD0eR96/106de39...975e4b6b01 | 11:54 | |
| piojo: gist.github.com/W4anD0eR96/106de39...975e4b6b01 | |||
| it creates alias | |||
| and this mentions about it docs.perl6.org/language/functions#...entry-MAIN | 11:55 | ||
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| piojo | wander4096: thanks, that's very helpful! (I must have screwed up my test code again, because I actually tried to test this possibility) | 11:59 | |
| wander4096 | m: sub f(:name(:$username)) { say $username }; f(:name("x")); f(:username("y")) | 12:00 | |
| camelia | x y |
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| piojo | wander4096: I wasn't saying I did it right! | 12:01 | |
| ilmari | m: sub f(:name(:user($username))) { say $username }; f(:name("x")); f(:username("y")); f(:user("z")) | ||
| camelia | x Unexpected named argument 'username' passed in sub f at <tmp> line 1 in block <unit> at <tmp> line 1 |
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| ilmari | m: sub f(:name(:user($:username))) { say $username }; f(:name("x")); f(:username("y")); f(:user("z")) | ||
| camelia | 5===SORRY!5=== In signature parameter, placeholder variables like $:username are illegal you probably meant a named parameter: ':$username' at <tmp>:1 ------> 3sub f(:name(:user($:username7⏏5))) { say $username }; f(:name("x")); f( Va… |
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| ilmari | m: sub f(:name(:user(:$username))) { say $username }; f(:name("x")); f(:username("y")); f(:user("z")) | ||
| piojo | ilmari: :$username, not $:username | ||
| camelia | x y z |
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| ilmari | piojo: yeah, I realised | ||
| CIAvash[m] | piojo: I showed the example with the alias :) irclog.perlgeek.de/perl6/2017-10-10#i_15282601 | 12:02 | |
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| piojo | CIAvash[m]: Indeed you did. A belated thank you! My eyes must have passed over that, because I thought I had already attempted that | 12:04 | |
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| Geth | doc: W4anD0eR96++ created pull request #1596: Rewrite intro of alias named signature |
12:57 | |
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| melezhik_ | Hi Perl6 folks, dev.to - seems very cool dev blog site, I encourage everyone involved in Perl6 add some Perl6 related posts here! (As I did ;-) | 16:28 | |
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| Geth | doc: 06e8f698b1 | (Zoffix Znet)++ (committed using GitHub Web editor) | doc/Language/testing.pod6 Specify signature of cmp-ok more accurately - To indicate it can be used to test with `=:=` operator - And that it doesn't interfere with ops that partly rely on address equivalency, such as `eqv` Rakudo impl: github.com/rakudo/rakudo/commit/3684384db1 Spec: github.com/perl6/roast/commit/4bc442622d |
16:44 | |
| synopsebot | Link: doc.perl6.org/language/testing | ||
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| tyil | HoboWithAShotgun: you were the one who made that pr to the atom plugin to convert ascii ops into unicode ops right? was there a particular reason you also did the greek chars? | 16:50 | |
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| smls | m: say "1" ~~ / \d <!before \d> /; | 16:57 | |
| camelia | Nil | ||
| smls | ^^ <!before > should be able to match at the end of the input string, right? | ||
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| wander | README.md in doc says, to Building the HTML documentation, we run `make html` and `make run` | 17:03 | |
| i wonder if every time after updating the source code, i should make again, which takes a long time | 17:04 | ||
| or the second time `make html` will be fast | 17:05 | ||
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| gfldex | wander: there is some caching going on but it wont make much of a difference | 17:08 | |
| wander: look in the Makefile for --parallel=1 and --threads=1 to speed things up | 17:10 | ||
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| perllearner89 | perl6: multi postfix:<!>(Int $n) { [*] 2..$n }; say "5! is { 5! }"; | 17:12 | |
| camelia | 5! is 120 | ||
| Error while reading '/home/camelia/p6eval-token': No such file or directory at /home/camelia/rakudo-j-inst/bin/eval-client.pl line 10. | |||
| perllearner89 | perl6: multi postfix:<!>(Int $n) { [*] 2..$n; }; say "5! is { 5! }"; | 17:14 | |
| camelia | Error while reading '/home/camelia/p6eval-token': No such file or directory at /home/camelia/rakudo-j-inst/bin/eval-client.pl line 10. | ||
| 5! is 120 | |||
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| timotimo | we might want to throw rakudo-jvm out of the perl6 command | 17:16 | |
| wander | gfldex: got it | 17:17 | |
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| timotimo | perllearner89: you'll get less noisy results if you use "m:" instead of "perl6:" | 17:20 | |
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| perllearner89 | m: multi postfix:<!>(Int $n) { [*] 2..$n; }; say "5! is { 5! }"; say "6! is {6!}."; | 17:27 | |
| camelia | 5! is 120 6! is 720. |
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| perllearner89 | It's weird. On my perl6 version, trying to run `multi postfix:<!>(Int $n) { [*] 2..$n; }; say "5! is { 5! }"; say "6! is {6!}.";` results in a "Negation metaoperator not followed by valid prefix" error. | 17:28 | |
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| timotimo | you're running it in the REPL? | 17:31 | |
| that poor thing forgets newly defined operators between every line :( | |||
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| awwaiid | :( | 17:31 | |
| timotimo | it'll work if you put both statements in the same line with a ; in between | ||
| perllearner89 | I've tried it on the REPL and as a standalone script and both fail. | 17:32 | |
| timotimo | oh, now that's interesting | ||
| perllearner89 | Do you know any reason why that might be? | 17:33 | |
| timotimo | hm, can you upload your exact standalone script? | 17:34 | |
| oh, also, is your perl6 --version near? | |||
| perllearner89 | $*PERL is Perl 6 (6.c) and $*VM is moar (2017.09.1.580.g.631.b.3.bf.0.f) | ||
| timotimo | ah, yes, that's good | ||
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| perllearner89 | Now that I am trying it again, it is working. It seems that I can't run the REPL and run the script separately or else they confuse each other. | 17:38 | |
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| perllearner89 | Okay. Not it is just being weird. | 17:44 | |
| *Now | |||
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| perllearner89 | How do I upload my test script? | 17:44 | |
| tyil | nc cry.nu 9999 < path/to/test.pl | 17:45 | |
| perllearner89 | nc cry.nu 9999 < /data/testing/perl6/learning.pl6 | 17:47 | |
| timotimo | whoops, cry.nu has had its letsencrypt run out yesterday | ||
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| timotimo | perllearner89: you'd execute that in your shell, and you'll need to have netcat installed, though a simple perl6 one-liner could also do it | 17:48 | |
| tyil | samcv: your cert expired | ||
| timotimo: I reported it, should be fixed soon-ish | |||
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| tyil | you could use termbin for the time being, I dont know any other trustworthy hosts which such a service running | 17:49 | |
| timotimo | i like sprunge.us | ||
| cat /data/testing/perl6/learning.pl6 | curl -F 'sprunge=<-' sprunge.us | 17:50 | ||
| perllearner89 | sprunge.us/JfDd | ||
| shadowpaste | "ilmari" at 217.168.150.38 pasted "You can also use fpaste.scsys.co.uk/perl6" (1 line) at fpaste.scsys.co.uk/565310 | 17:51 | |
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| tyil | trying to curl them gives a 405 error | 17:51 | |
| timotimo | now that's interesting | 17:52 | |
| tyil | wanted to see if they used CF, thats a strong reason for me not to use them :p | ||
| but it seems its hosted by google, which I still dislike | |||
| so not adding it to my article against pastebin | |||
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| perllearner89 | sprunge.us/BhHX | 17:53 | |
| But that one (sprunge.us/BhHX) works fine... | |||
| Why the disconnect? | |||
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| moritz | sorry, what was the minimal example of something that didn't work? | 17:56 | |
| timotimo | somehow the say "\$subref(4,6) is $subref(4,6)"; is breaking it | 17:57 | |
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| timotimo | probably the string somehow runs away | 17:57 | |
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| tyil | .tell melezhik nice article on sparrowdo, I might check it out when I have time to spare | 17:58 | |
| yoleaux | tyil: I'll pass your message to melezhik. | ||
| timotimo | m: my $subref = -> $a, $b { say $a; }; say "\$foobar(4,6) is $subref(4,6)"; say "test" | ||
| camelia | 4 $foobar(4,6) is True test |
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| Geth | doc/molecules-patch-2: 1b50a0f943 | (Christopher Bottoms)++ (committed using GitHub Web editor) | doc/Type/IO/Path.pod6 File test adverb forms with links to method forms Also intended to fix broken link to docs.perl6.org/type/IO::Path#File_..._operators from docs.perl6.org/language/5to6-perlf...Filetests. Much was copied from docs.perl6.org/type/IO::Path#File_...operators. |
18:00 | |
| doc: molecules++ created pull request #1598: File test adverb forms with links to method forms |
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| perllearner89 | m: my $sref = { $^x**2 + $^y**2; }; say "\$sref.(4,6) is $sref.(4,6)"; | 18:04 | |
| camelia | $sref.(4,6) is 52 | ||
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| wander | perllearner89: what's your first version of code? | 18:11 | |
| i run the code in sprunge.us/BhHX and every thing runs right | 18:12 | ||
| perllearner89 | sprunge.us/JfDd fails to execute and was my first version. | ||
| sprunge.us/BhHX was my attempt at a minimal version, but doesn't fail. | |||
| Geth | doc/master: 4 commits pushed by (Alex Wander)++, (Patrick Spek)++ | 18:15 | |
| perllearner89 | This is a minimal failing example: sprunge.us/HdRI | ||
| m: sub my_sub(Int() $x, Int() $y) { return $x**2 + $y**2; } my $result = my_sub(4,6); say "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; } say "5! is { 5! }"; | 18:16 | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Strange text after block (missing semicolon or comma?) at <tmp>:1 ------> 3 Int() $y) { return $x**2 + $y**2; }7⏏5 my $result = my_sub(4,6); say "\$resul expecting any of: in… |
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| perllearner89 | m: sub my_sub(Int() $x, Int() $y) { return $x**2 + $y**2; }; my $result = my_sub(4,6); say "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; }; say "5! is { 5! }"; | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3(Int $n) { [*] 2..$n; }; say "5! is { 5!7⏏5 }"; expecting any of: infix infix stopper |
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| wander | seems like something wrong with `say` | 18:19 | |
| perllearner89 | m: sub my_sub(Int() $x, Int() $y) { return $x**2 + $y**2; }; my $result = my_sub(4,6); say "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; }; say "5! is ", 5!; | ||
| camelia | $result is 52 5! is 120 |
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| perllearner89 | When the code is in an execution block in the string in say, it fails, but when listed as an argument to say, it works. | 18:20 | |
| Why? | |||
| wander | if you remove the say before `say "5! is { 5! }";' | ||
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| wander | then there is no error msg | 18:20 | |
| perllearner89 | m: sub my_sub(Int() $x, Int() $y) { return $x**2 + $y**2; }; my $result = my_sub(4,6); say "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; }; "5! is { 5! }"; | 18:21 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3:<!>(Int $n) { [*] 2..$n; }; "5! is { 5!7⏏5 }"; expecting any of: infix infix stopper |
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| wander | To be exact, the say statement in form `say "\$result is $result"` | ||
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| perllearner89 | m: sub my_sub(Int() $x, Int() $y) { return $x**2 + $y**2; }; my $result = my_sub(4,6); "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; }; say "5! is { 5! }"; | 18:22 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3(Int $n) { [*] 2..$n; }; say "5! is { 5!7⏏5 }"; expecting any of: infix infix stopper |
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| wander | maybe relevant to the implementation of say | 18:22 | |
| perllearner89 | m: sub my_sub(Int() $x, Int() $y) { return $x**2 + $y**2; }; my $result = my_sub(4,6); "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; }; "5! is { 5! }"; | 18:23 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3:<!>(Int $n) { [*] 2..$n; }; "5! is { 5!7⏏5 }"; expecting any of: infix infix stopper |
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| perllearner89 | Without any reference to `say` it still dies. | ||
| wander | yes, you do find it | ||
| m: m: sub my_sub(Int() $x, Int() $y) { return $x**2 + $y**2; }; my $result = my_sub(4,6); multi postfix:<!>(Int $n) { [*] 2..$n; }; say "5! is { 5! }"; | |||
| camelia | 5! is 120 | ||
| wander | m: my $result = 42; say "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; }; "5! is { 5! }"; | 18:24 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3:<!>(Int $n) { [*] 2..$n; }; "5! is { 5!7⏏5 }"; expecting any of: infix infix stopper |
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| wander | m: my $result = 42; "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; }; "5! is { 5! }"; | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3:<!>(Int $n) { [*] 2..$n; }; "5! is { 5!7⏏5 }"; expecting any of: infix infix stopper |
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| Geth | doc/molecules-patch-2: fc97c3981b | (Christopher Bottoms)++ (committed using GitHub Web editor) | doc/Type/IO/Path.pod6 Wrapped lines in proposed changes to 80 characters |
18:25 | |
| perllearner89 | m: sub my_sub(Int() $x, Int() $y) { return $x**2 + $y**2; }; my $result = my_sub(4,6); say "\$result is $result"; multi postfix:<!>(Int $n) { [*] 2..$n; }; say "5! is { 5!; }"; | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3(Int $n) { [*] 2..$n; }; say "5! is { 5!7⏏5; }"; expecting any of: infix infix stopper |
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| Zoffix | This seems to be that Quote lang braid caches Main braid and so it misses on it being modified by the introduction of the new op | 18:28 | |
| m: ""; sub postfix:<!>($) {}; "{ 5! }"; | 18:29 | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3""; sub postfix:<!>($) {}; "{ 5!7⏏5 }"; expecting any of: infix infix stopper |
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| Zoffix | m: sub postfix:<!>($) {}; ""; "{ 5! }"; | ||
| camelia | WARNINGS for <tmp>: Useless use of constant string "" in sink context (line 1) Use of Nil in string context in block <unit> at <tmp> line 1 |
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| perllearner89 | m: sub postfix:<!>(Int $n) { [*] 2..$n; }; say ""; | 18:30 | |
| camelia | |||
| perllearner89 | m: sub postfix:<!>(Int $n) { [*] 2..$n; }; say ""; say "{ 5! }"; | ||
| camelia | 120 |
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| perllearner89 | m: say ""; sub postfix:<!>(Int $n) { [*] 2..$n; }; say "{ 5! }"; | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3ix:<!>(Int $n) { [*] 2..$n; }; say "{ 5!7⏏5 }"; expecting any of: infix infix stopper |
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| Zoffix | Filed as rt.perl.org/Ticket/Display.html?id=132262 | 18:31 | |
| perllearner89 | Thanks for that. | ||
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| Zoffix takes a crack at it | 18:34 | ||
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| [Coke] waves from $DAYJOB | 18:38 | ||
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| Zoffix | \o | 18:39 | |
| Looks like some bolts were left out during Cursor Match refactor that caused this. | 18:41 | ||
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| Zoffix | Gonna try to fix it later (maybe TimToady would know a hint :)) | 18:41 | |
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| Zoffix | my %quote_lang_cache hehe. Looks like a perfect place for bugs to hide at | 18:45 | |
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| HoboWithAShotgun | i am doing this: my $handler-name = self.event-to-handler-name( $event ); my $handler = self.^methods.first({ .name ~~ $handler-name }); &($handler)($event); | 18:47 | |
| however, besides from being super clumy probably that gives me an error: P6opaque: no such attribute '$!on-key-press' in type Terminal::Vision::Widgets::TextInput when trying to get a value | |||
| Zoffix | Are you using nqp ops? | 18:48 | |
| HoboWithAShotgun | but that can't be, since that attribute is defined in the same role as the method that trows the error | ||
| Geth | doc: 1b50a0f943 | (Christopher Bottoms)++ (committed using GitHub Web editor) | doc/Type/IO/Path.pod6 File test adverb forms with links to method forms Also intended to fix broken link to docs.perl6.org/type/IO::Path#File_..._operators from docs.perl6.org/language/5to6-perlf...Filetests. Much was copied from docs.perl6.org/type/IO::Path#File_...operators. |
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| synopsebot | Link: doc.perl6.org/type/IO/Path | ||
| Geth | doc: fc97c3981b | (Christopher Bottoms)++ (committed using GitHub Web editor) | doc/Type/IO/Path.pod6 Wrapped lines in proposed changes to 80 characters |
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| doc: da19f6742a | (Patrick Spek)++ (committed using GitHub Web editor) | doc/Type/IO/Path.pod6 Merge pull request #1598 from perl6/molecules-patch-2 File test adverb forms with links to method forms |
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| Zoffix | m: $ = ""; sub postfix:<♥>($) {42}; try q/"{ 5♥ }"/.EVAL; say $!.^name | 18:52 | |
| HoboWithAShotgun | ah. i must do &(self.$handler)($event) | ||
| camelia | X::Syntax::Confused | ||
| Zoffix | Weird. With my fix I get the same result in $!, but the actual code doesn't die. | 18:53 | |
| I guess it's left over from something | |||
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| Zoffix | And `say try q/say "{ 5♥ }"/.EVAL` gives Nil, wheareas `say q/say "{ 5♥ }"/.EVAL` prints result and then True. | 18:55 | |
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| perllearner89 | m: say ""; sub postfix:<!>(Int $n) { [*] 2..$n; }; say "{ 5! }"; | 19:12 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Negation metaoperator not followed by valid infix at <tmp>:1 ------> 3ix:<!>(Int $n) { [*] 2..$n; }; say "{ 5!7⏏5 }"; expecting any of: infix infix stopper |
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| Zoffix | TimToady: are you around? Since Big Slang Refactor, Quote braid overly-eagerly caches langs here: github.com/rakudo/rakudo/blob/e135...p#L64-L114 Any idea what's a good fix? I could nuke the entire quote cache when installing categoricals ( github.com/rakudo/rakudo/blob/e135...4907-L4911 ) but that feels too big a hammer... The cache gets base lang | 19:16 | |
| name from `$l.HOW.name($l)` does that now change differently when mixins happen? | |||
| buggable: eco | 19:17 | ||
| buggable | Zoffix, Out of 920 Ecosystem dists, 0 have warnings, 9 have errors, and 0 have no tags in META file. See modules.perl6.org/update.log for details | ||
| Zoffix | ^ lots of dists with JSON errors it seems. Sent a PR to BioInfo already don't got time ATM to send the rest | ||
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| Zoffix | (search build log for "[error]" to find them) | 19:18 | |
| jnthn | 0 have no tags? :) | ||
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| jnthn looks at a META6.json file of his own that has none :) | 19:18 | ||
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| mst | Zoffix: ranguard had a lot of 'fun' with that with the psixdists test runs | 19:23 | |
| Zoffix | :) The bot was never updated to handle the new TODO page ( modules.perl6.org/todo/ ) where the warnings about tags were migrated to | ||
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| johnjohn101 | did perl six slow down development? seems like rakudo perl was last updated in july | 19:24 | |
| Zoffix | johnjohn101: updated where? | 19:27 | |
| The repo was last updated like an hour ago :) | |||
| Latest release was September's third Saturday. | |||
| johnjohn101 | i'm looking on the webpage | ||
| Zoffix | johnjohn101: no, Rakudo Star still gets released quarterly. | 19:28 | |
| No slowdown there. | |||
| huggable: star | 19:29 | ||
| huggable | Zoffix, Estimated Rakudo Star releases for 2017: .01, .04, .07 & .10 | ||
| johnjohn101 | ok, i thought it was monthly. july is ok to test with? | ||
| Zoffix | johnjohn101: compiler-only is released monthly yeah | ||
| huggable: debs | |||
| huggable | Zoffix, CentOS, Debian, Fedora and Ubuntu Rakudo packages: github.com/nxadm/rakudo-pkg/releases | ||
| Zoffix | johnjohn101: July is ok yeah | ||
| johnjohn101 | thanks for github | 19:30 | |
| Zoffix doesn't see any slowdown in code frequency: github.com/rakudo/rakudo/graphs/code-frequency | |||
| or I guess this is a better view: github.com/rakudo/rakudo/graphs/commit-activity | 19:31 | ||
| And the lul in July/August 'cause some devs were vacationing | 19:32 | ||
| Zoffix & | |||
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| HoboWithAShotgun | m: say (1 ... ∞)[* - 1] | 20:40 | |
| camelia | Cannot .elems a lazy list in block <unit> at <tmp> line 1 |
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| lizmat | HoboWithAShotgun: what did you expect? Inf ? | 20:44 | |
| gfldex | Int - 1 sounds about right. Writing that do disk might be tricky tho. | 20:46 | |
| *Inf - 1 | |||
| lizmat | m: say Inf - 1 | ||
| camelia | Inf | ||
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| gfldex | m: say so Inf - 1 == Inf; | 20:47 | |
| camelia | True | ||
| HoboWithAShotgun | well perl is wrong there | 20:48 | |
| i think | |||
| m: sub foo { say 'foo' }; sub bar { say 'bar' }; my &both = &foo ∘ &bar; both() | 20:49 | ||
| camelia | bar Too many positionals passed; expected 0 arguments but got 1 in sub foo at <tmp> line 1 in block <unit> at <tmp> line 1 |
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| gfldex | depends a bit if you define Inf as countable or uncountable | ||
| HoboWithAShotgun | m: sub foo { say 'foo' }; sub bar { say 'bar' }; my &both = &foo ∘ &bar; both | ||
| camelia | bar Too many positionals passed; expected 0 arguments but got 1 in sub foo at <tmp> line 1 in block <unit> at <tmp> line 1 |
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| HoboWithAShotgun | mmh. that should work, shouldn't it? | 20:50 | |
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| gfldex | HoboWithAShotgun: no | 20:50 | |
| the function combinator got strict requirements on arity | 20:51 | ||
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| HoboWithAShotgun | m: sub foo -> $x { say $x }; sub bar { 'bar' }; my &both = &foo ∘ &bar; both | 20:55 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Missing block at <tmp>:1 ------> 3sub foo7⏏5 -> $x { say $x }; sub bar { 'bar' }; my expecting any of: new name to be defined |
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| HoboWithAShotgun | m: sub foo($x) { say $x }; sub bar { 'bar' }; my &both = &foo ∘ &bar; both | ||
| camelia | bar | ||
| HoboWithAShotgun | ah allright. i read that example wrong. i figured they get just called in sequence and not nested | 20:56 | |
| gfldex | m: my &foo = -> $x { say $x }; sub bar { 'bar' }; my &both = &foo ∘ &bar; both | ||
| camelia | bar | ||
| gfldex | that's another docs issue | 20:57 | |
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| HoboWithAShotgun | this time they are clear enough- The function composition operator infix:<∘> or infix:<o> combines two functions, so that the left function is called with the return value of the right function | 20:58 | |
| gfldex | it's Callable not a function | 20:59 | |
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| gfldex | most of the time the docs say „function“ it should say Callable | 21:00 | |
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| gfldex | or Routine, where a Block wont work | 21:00 | |
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| HoboWithAShotgun | m: say (1, 2, 2, 3).Bag (<+) (3, 2, 1).Bag; | 21:16 | |
| camelia | False | ||
| HoboWithAShotgun | m: say (1, 2, 2, 3).Bag (>+) (3, 2, 1).Bag; | ||
| camelia | True | ||
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| HoboWithAShotgun | m: ( ( 0, 3 ... Inf ) (&) ( 0, 5 ... Inf) )[^100] | 21:20 | |
| camelia | Cannot coerce a lazy list onto a Set in block <unit> at <tmp> line 1 |
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| Zoffix | "well perl is wrong there" we follow IEEE :) | ||
| (in most places) | 21:21 | ||
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| HoboWithAShotgun | i'm not a mathematician, but Inf(R) > Inf(N), that I know. Not sure if that means Inf - 1 < Inf | 21:22 | |
| probably not | |||
| Zoffix | In math, maybe. In computers nope | ||
| Just like dividing by zero is valid | 21:23 | ||
| m: say (1/0).Num | |||
| camelia | Inf | ||
| Zoffix | m: say (-1/0).Num | ||
| camelia | -Inf | ||
| HoboWithAShotgun | i had a discussion over at #math the other day about exactly that | ||
| Zoffix | s/computers/IEEE/; | ||
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| HoboWithAShotgun | and it's wrong. dividing by zero should die fatally | 21:24 | |
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| AlexDaniel- shrugs | 21:25 | ||
| Zoffix | :) and should a rocket explode if one of its sensors failed to read a value? :) | ||
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| Zoffix & | 21:26 | ||
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| HoboWithAShotgun | that's probably going to happen anywhay when said rocket opens the fuel injectors infinitly wide | 21:27 | |
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| HoboWithAShotgun | I mean I wouldn't mind if 1/0 returned a Failure, but Inf , no, that's a wrong decision | 21:29 | |
| AlexDaniel- | HoboWithAShotgun: well, at what point do you want your rocket to explode? | 21:30 | |
| for example | |||
| m: say (1/0).nude | |||
| camelia | (1 0) | ||
| AlexDaniel- | that's alright | ||
| m: say 1/0 | |||
| camelia | Attempt to divide 1 by zero using div in block <unit> at <tmp> line 1 |
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| AlexDaniel- | but this is not | ||
| HoboWithAShotgun | ah, allright | 21:32 | |
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| samcv | tyil, thanks. restarted nginx | 21:43 | |
| had a new cert but it hadn't loaded | 21:44 | ||
| tyil | ^_^ | 21:45 | |
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| samcv | tyil, added `--post-hook "nginx -t && systemctl restart nginx"` to the cronjob | 21:53 | |
| tyil | hot | ||
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| samcv | oh actually. changing that to --deploy-hook since i only want it to run when cert has changed | 21:54 | |
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| Herby_ | \o | 22:35 | |
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| tyil | o/ | 22:38 | |
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| timotimo | o | 22:41 | |
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| Geth | whateverable: 2f4f1de1b7 | (Aleks-Daniel Jakimenko-Aleksejev)++ | bin/Greppable.p6 Add support for modules on CPAN and GitLab |
23:02 | |
| timotimo | cool | ||
| AlexDaniel- | moritz++ | 23:03 | |
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| Geth | whateverable: cce221c01f | (Aleks-Daniel Jakimenko-Aleksejev)++ | bin/Greppable.p6 Oops What is this line doing there? I have no idea. It looked legit so I didn't notice… |
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