»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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BenGoldberg m: use nqp; my $p = nqp::getattr( &say.signature, Signature, '$!params' ); dd $p; 01:09
camelia P6opaque: no such attribute '$!params' in type Signature when trying to get a value
in block <unit> at <tmp> line 1
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BenGoldberg m: dd &say.signature.params 01:11
camelia (| is raw,)
MasterDuke m: use nqp; my $p = nqp::getattr( &say.signature, Signature, '@!params' ); dd $p; 01:12
camelia No such method 'dispatch:<.?>' for invocant of type 'NQPArray'
in block <unit> at <tmp> line 1
BenGoldberg m: use nqp; my $p = nqp::getattr( &say.signature, Signature, '@!params' ); say so $p; 01:13
camelia No such method 'Bool' for invocant of type 'NQPArray'
in block <unit> at <tmp> line 1
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MasterDuke m: use nqp; my @p = nqp::getattr( &say.signature, Signature, '@!params' ); dd @p; 01:15
camelia Array @p = [| is raw]
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BenGoldberg m: use nqp; my $p = nqp::getattr( &say, Method, '$!signature' ); say so $p; 01:19
camelia P6opaque: no such attribute '$!signature' in type Method when trying to get a value
in block <unit> at <tmp> line 1
BenGoldberg m: use nqp; my $p = nqp::getattr( &say, Code, '$!signature' ); say so $p;
camelia True
BenGoldberg m: use nqp; my $p = nqp::getattr( &say, Code, '$!signature' ); say $p;
camelia (| is raw)
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BenGoldberg m: sub plus( Int $x, Int $y ) { $x+$y }; use nqp; nqp::bindattr( &plus, Code, '$!signature', &say.signature ); say &plus.signature; 01:24
camelia (| is raw)
BenGoldberg m: sub plus( Int $x, Int $y ) { $x+$y }; use nqp; nqp::bindattr( &plus, Code, '$!signature', &say.signature ); say plus( 2, 3 );
camelia 5
BenGoldberg m: sub plus( |args ) { [+] args }; use nqp; nqp::bindattr( &plus, Code, '$!signature', :(Int, Int) ); say plus( 2, 3 ); 01:25
camelia 5
BenGoldberg m: sub plus( |args ) { [+] args }; use nqp; nqp::bindattr( &plus, Code, '$!signature', :(Int, Int) ); say plus( 2, 3, 4 );
camelia 9
BenGoldberg m: sub plus( |args ) { [+] args }; use nqp; nqp::bindattr( &plus, Code, '$!signature', :(Int, Int) ); say &plus.signature;
camelia (Int, Int)
BenGoldberg m: sub plus( Int $x, Int $y ) { $x+$y }; use nqp; nqp::bindattr( &plus, Code, '$!signature', &say.signature ); say plus( 2, 3, 4 ); 01:26
camelia 5===SORRY!5=== Error while compiling <tmp>
Calling plus(Int, Int, Int) will never work with declared signature (Int $x, Int $y)
at <tmp>:1
------> 3e, '$!signature', &say.signature ); say 7⏏5plus( 2, 3, 4 );
BenGoldberg m: sub plus( Int $x, Int $y ) { $x+$y }; use nqp; nqp::bindattr( &plus, Code, '$!signature', &say.signature ); my $ref = &plus; $ref( 2, 3, 4 );
camelia Too many positionals passed; expected 2 arguments but got 3
in sub plus at <tmp> line 1
in block <unit> at <tmp> line 1
BenGoldberg m: sub plus( Int $x, Int $y ) { $x+$y }; my $ref = &plus; $ref( 2, 3, 4 ); 01:27
camelia Too many positionals passed; expected 2 arguments but got 3
in sub plus at <tmp> line 1
in block <unit> at <tmp> line 1
01:27 agentzh left
BenGoldberg It's a bit strange that altering a sub's signature doesn't seem to alter much of anything, aside from what .signature returns. 01:28
m: dd { ^a + ^b };
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared routines:
a used at line 1
b used at line 1
BenGoldberg m: (-> $a, $b { $a + $b }).WHAT.say; 01:29
camelia (Block)
BenGoldberg m: (-> $a, $b { $a + $b }).signature.say;
camelia ($a, $b)
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BenGoldberg bisectable6, help 01:43
bisectable6 BenGoldberg, Like this: bisectable6: old=2015.12 new=HEAD exit 1 if (^∞).grep({ last })[5] // 0 == 4 # See wiki for more examples: github.com/perl6/whateverable/wiki/Bisectable
BenGoldberg m: use nqp; nqp::exit( 1 ); 01:44
camelia ( no output )
BenGoldberg m: use MONKEY-GUTS; nqp::exit( 1 );
camelia ( no output )
BenGoldberg bisectable6: use MONKEY-GUTS; nqp::exit( 1 );
bisectable6 BenGoldberg, On both starting points (old=2015.12 new=2cf9b53) the exit code is 1 and the output is identical as well
BenGoldberg, Output on both points:
MasterDuke BenGoldberg: do you get any different results if you alter the signature earlier, e.g., at BEGIN or INIT time? 01:46
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BenGoldberg To be honest, I'm glad that alterning the signature *doesn't* change things... I want to wrap a subroutine like so: my $wrapped = sub (|args) { my $*foo = $bar; $orig(|args) };, and then change the signature of $wrapped to match the original's. 01:49
While it's convenient for me, I'm vaguely worried that it might change in the future. 01:50
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MasterDuke $!signature doesn't show up in roast at all 01:52
BenGoldberg I expect that '$!signature' is only used when Code objects are created -- everywhere else, the method .signature is used instead. 01:54
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BenGoldberg m: my $x = given 42 { when Int { 3 }; default { "eh" } }; say $x; 02:02
camelia 5===SORRY!5===
Word 'given' interpreted as a listop; please use 'do given' to introduce the statement control word
at <tmp>:1
------> 3my $x = given7⏏5 42 { when Int { 3 }; default { "eh" } }
Unexpected block in infix position (two term…
BenGoldberg m: my $x = do given 42 { when Int { 3 }; default { "eh" } }; say $x;
camelia 3
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BenGoldberg m: use nqp; my $p = nqp::getattr( (method(Int:D) { ... }).signature, Signature, '@!params' ); dd $p; 02:19
camelia 5===SORRY!5=== Error while compiling <tmp>
Two terms in a row
at <tmp>:1
------> 3qp; my $p = nqp::getattr( (method(Int:D)7⏏5 { ... }).signature, Signature, '@!param
expecting any of:
infix stopper
statement end…
BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); dd $p;
camelia No such method 'dispatch:<.?>' for invocant of type 'NQPArray'
in block <unit> at <tmp> line 1
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BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); dd @$p; 02:19
camelia No such method 'cache' for invocant of type 'NQPArray'
in block <unit> at <tmp> line 1
BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say @$p;
camelia No such method 'cache' for invocant of type 'NQPArray'
in block <unit> at <tmp> line 1
BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say $p[0];
camelia X::Multi::NoMatch exception produced no message
in block <unit> at <tmp> line 1
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BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); dd $p[0]; 02:19
camelia X::Multi::NoMatch exception produced no message
in block <unit> at <tmp> line 1
BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); $p[0] = 42; 02:20
camelia X::Multi::NoMatch exception produced no message
in block <unit> at <tmp> line 1
BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' );
camelia ( no output )
BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say nqp::atpos( $p, 0 );
camelia This type (Scalar) does not support positional operations
in block <unit> at <tmp> line 1
BenGoldberg m: my $m = method (Int:D) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say nqp::atpos( nqp::decont($p), 0 ); 02:21
camelia Mu $
BenGoldberg m: my $m = method (Int:D $x) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say nqp::atpos( nqp::decont($p), 0 );
camelia Mu $
BenGoldberg m: my $m = method (Int:D $x) { 42 }; use nqp; my $p = nqp::getattr( $m.signature, Signature, '$!params' ); say nqp::atpos( nqp::decont($p), 0 ); 02:22
camelia P6opaque: no such attribute '$!params' in type Signature when trying to get a value
in block <unit> at <tmp> line 1
BenGoldberg m: my $m = method (Int:D $x) { 42 }; dd $m.params; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say nqp::atpos( nqp::decont($p), 0 );
camelia No such method 'params' for invocant of type 'Method'
in block <unit> at <tmp> line 1
BenGoldberg m: my $m = method (Int:D $x) { 42 }; dd $m.signature.params; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say nqp::atpos( nqp::decont($p), 0 );
camelia (Mu $, Int:D $x, *%_)
Mu $
BenGoldberg m: my $m = method (Int:D $x) { 42 }; dd $m.signature.params; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say nqp::atpos( nqp::decont($p), 1 );
camelia (Mu $, Int:D $x, *%_)
Int:D $x
BenGoldberg m: my $m = method (Int:D $x) { 42 }; dd $m.signature.params; use nqp; my $p = nqp::getattr( $m.signature, Signature, '@!params' ); say nqp::atpos( nqp::decont($p), 1 ).WHAT;
camelia (Mu $, Int:D $x, *%_)
(Parameter)
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BenGoldberg m: my $s = :(Int:D $x); dd $s.params; use nqp; my $p = nqp::getattr( $s, Signature, '@!params' ); say nqp::atpos( nqp::decont($p), 1 ).WHAT; 02:25
camelia (Int:D $x,)
P6opaque: no such attribute '@!params' in type Signature when trying to get a value
in block <unit> at <tmp> line 1
BenGoldberg m: my $s = :(Int:D $x); dd $s.params; use nqp; my $p = nqp::getattr( $s, Signature, '$!params' ); say nqp::atpos( nqp::decont($p), 1 ).WHAT; 02:26
camelia (Int:D $x,)
P6opaque: no such attribute '$!params' in type Signature when trying to get a value
in block <unit> at <tmp> line 1
BenGoldberg m: my $s = :(Int:D $x); dd $s.params[] 02:27
camelia (Int:D $x,)
BenGoldberg m: my $s = :(Int:D $x); dd $s.params[0]
camelia Parameter $x = Int:D $x
BenGoldberg m: my $s = :(Int:D $x); dd $s.params[1]
camelia Nil
BenGoldberg m: my $m = method (Int:D $x) { 42 }; dd $m.signature.params[0]
camelia Mu $
BenGoldberg m: my $m = method (Int:D $x) { 42 }; dd $m.signature.params[1]
camelia Parameter $x = Int:D $x
BenGoldberg m: my $s = :(Int:D $x); dd $s.params[0] 02:28
camelia Parameter $x = Int:D $x
BenGoldberg m: my @array = 1, 2; use nqp; say nqp::decont( @array ); 02:30
camelia [1 2]
BenGoldberg m: my @array = 1, 2; use nqp; say nqp::decont( @array ).WHAT;
camelia (Array)
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BenGoldberg m: sub foo(Int $x) { 42 }; say foo 3; 02:50
camelia 42
BenGoldberg m: :(Int: $x).params.say; 02:54
camelia (Int $ Mu $x)
BenGoldberg m: :(Str: $x).params.say; 02:55
camelia (Str $ Mu $x)
BenGoldberg m: :(Str: $x, Int $y).params.say;
camelia (Str $ Mu $x Int $y)
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BenGoldberg m: class Foo { sub bar() { 42 } }; say Foo.^methods; 03:09
camelia ()
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BenGoldberg m: class Foo { method bar() { 42 } }; say Foo.^methods; 03:10
camelia (bar)
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BenGoldberg m: class Foo { method bar() { 42 } }; class Baz { }; my $bar = Foo.^methods[0]; Baz.^add_method: "bar", $bar; Baz.^compose; say Baz.bar; 03:20
camelia Type check failed in binding to <anon>; expected Foo but got Baz (Baz)
in method bar at <tmp> line 1
in block <unit> at <tmp> line 1
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BenGoldberg m: class Foo { method bar() { 42 } }; class Baz { }; my $bar = Foo.^methods[0]; Baz.^add_method: "bar", $bar; Baz.^compose; 03:22
camelia ( no output )
BenGoldberg m: class Foo { method bar() { 42 } }; class Baz { }; my $bar = Foo.^methods[0]; Baz.^add_method: "bar", $bar; Baz.^compose; say Baz.new.bar;
camelia Type check failed in binding to <anon>; expected Foo but got Baz (Baz.new)
in method bar at <tmp> line 1
in block <unit> at <tmp> line 1
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BenGoldberg m: enum { Foo => 3 }; dd Foo; 03:40
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared name:
Foo used at line 1
Undeclared routine:
enum used at line 1
BenGoldberg m: enum { Foo => 3 }; say Foo; 03:41
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared name:
Foo used at line 1
Undeclared routine:
enum used at line 1
BenGoldberg m: enum Foo { Bar => 3 }; say Bar;
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared names:
Bar used at line 1. Did you mean 'Bag'?
Foo used at line 1
Undeclared routine:
enum used at line 1
BenGoldberg m: enum Foo { Bar => 3 }; say Foo::Bar;
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared name:
Foo used at line 1
Undeclared routine:
enum used at line 1
timotimo m: say { Bar => 3 }.perl
camelia {:Bar(3)}
timotimo m: enum Foo ('Bar', 3); say Foo::Bar 03:42
camelia Bar
timotimo m: enum Foo ('Bar', 3); say Bar
camelia Bar
timotimo m: enum Foo ('Bar', 3); say FOO
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared name:
FOO used at line 1. Did you mean 'Foo'?
timotimo m: enum Foo ('Bar', 3); say Foo
camelia (Foo)
BenGoldberg m: enum Foo Bar => 3; say Bar;
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared names:
Bar used at line 1. Did you mean 'Bag'?
Foo used at line 1
Undeclared routine:
enum used at line 1
BenGoldberg m: enum Foo (Bar => 3); say Bar;
camelia Bar
BenGoldberg m: enum Foo (Bar => 3); say &Bar;
camelia Nil
BenGoldberg m: enum Foo (Bar => 3); say &asdf;
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared routine:
asdf used at line 1
03:42 adu left
BenGoldberg m: enum Foo (Bar => 3); say &Bar.perl; 03:42
camelia Nil
BenGoldberg m: enum Foo (Bar => 3); say &Bar.gist; 03:43
camelia Nil
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timotimo m: enum Foo (Bar => 3); say Bar.perl 03:44
camelia Foo::Bar
BenGoldberg m: enum Foo (Bar => 3); my $b = &Bar; say $b();
camelia Cannot find method 'Any' on object of type List
in block <unit> at <tmp> line 1
BenGoldberg Now that's a LTA error message.
m: enum Foo (Bar => 3); say Foo.kv 03:45
camelia ()
BenGoldberg m: enum Foo (Bar => 3); say Foo.k
camelia No such method 'k' for invocant of type 'Foo'
in block <unit> at <tmp> line 1
BenGoldberg m: enum Foo (Bar => 3); say Foo.keys
camelia ()
BenGoldberg m: enum Foo (Bar => 3); say Foo.values
camelia ()
timotimo you want Foo::.keys and Foo::.values
BenGoldberg m: enum Foo (Bar => 3); say Bar.kv
camelia (Bar 3)
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BenGoldberg m: my $m = enum Foo (Bar => 3); say $m.kv 03:46
camelia (Bar 3)
BenGoldberg m: enum Foo (Bar => 3); dd Foo; 03:47
camelia Foo
BenGoldberg m: enum Foo (Bar => 3); dd Foo.WHAT;
camelia Foo
BenGoldberg m: enum Foo (Bar => 3); dd Foo.Map;
camelia Map.new(())
BenGoldberg m: enum Foo (Bar => 3); dd Foo.enums;
camelia Map.new((:Bar(3)))
BenGoldberg m: class Baz { enum Foo (Bar => 3) }; dd Baz::Foo.enums; 03:48
camelia Map.new((:Bar(3)))
BenGoldberg m: class Baz { enum Foo (Bar => 3) }; dd Baz.Bar;
camelia No such method 'Bar' for invocant of type 'Baz'
in block <unit> at <tmp> line 1
BenGoldberg m: class Baz { enum Foo (Bar => 3) }; dd Baz::Bar;
camelia Foo::Bar
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BenGoldberg m: my $foo; say $foo.?bar; 04:09
camelia Nil
BenGoldberg m: my $foo; say so $foo.?bar;
camelia False
BenGoldberg m: .return when 3; 04:11
camelia ( no output )
BenGoldberg m: sub foo { .return when 3 }; say foo;
camelia ()
BenGoldberg m: sub foo { return 4 when 3 }; say foo;
camelia ()
BenGoldberg m: sub foo { return 4 with 3 }; say foo; 04:13
camelia 4
BenGoldberg m: sub foo { .return with 3 }; say foo;
camelia 3
SmokeMachine m: enum Bla (a => sub {}) # why its wrong?
camelia 5===SORRY!5=== Error while compiling <tmp>
Cannot auto-generate a proto method for 'Int' in the setting
at <tmp>:1
SmokeMachine m: enum Bla (a => {b => sub {}}) # but its ok? 04:14
camelia ( no output )
SmokeMachine m: enum Bla (a => {b => sub {}}); say a.value<b>
camelia sub () { #`(Sub|61171832) ... }
BenGoldberg m: my %hash = (a => 'b'); sub foo { .return with %hash{^x}; 'naah' }; say foo('no');
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared routine:
x used at line 1
BenGoldberg m: my %hash = (a => 'b'); sub foo { .return with %hash{$^x}; 'naah' }; say foo('no');
camelia naah
BenGoldberg m: my %hash = (a => 'b'); sub foo { .return with %hash{$^x}; 'naah' }; say foo('a'); 04:15
camelia b
BenGoldberg . o O (.return with is my new friend)
timotimo i find it a bit difficult to figure out what your intention was with all these evals 04:16
are you aware of private-messaging camelia?
BenGoldberg Umm, oops? 04:17
Mostly figuring syntax out :)
timotimo gotta get some sleep 04:21
have a good one!
Geth perl6.org/Getting-Involved-Community: f3446f2af6 | Cale++ | source/community/index.html
Add "Getting Involved" Section

Looking for feedback on this addition. Think I covered the main areas
perl6.org: WildYorkies++ created pull request #77:
Add "Getting Involved" Section
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MasterDuke timotimo++ thanks for the debugging help 04:23
timotimo thanks for the mild kick in the butt 04:24
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BenGoldberg m: my %hash; { temp %hash<foo> = 'bar' }; dd %hash; # is this intended behavior? 05:13
camelia Hash %hash = {:foo(Any)}
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Geth doc: 45a79315b3 | raiph++ | doc/Language/traps.pod6
s/True/False/ in `# OUTPUT:` line
 05:39
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geekosaur BenGoldberg, I don't think so. (And iirc older perl had that bug at one point too, with local...) 06:04
06:05 rurban left
j75_ Any idea why I can't install perl 6 on one machine? Makefile:470: recipe for target 'CORE.setting.moarvm' failed paste.ubuntu.com/24100486/ 06:06
sammers hi #perl6 06:08
geekosaur j75_, the lack of error message suggests to me the OOM killer got it 06:10
sammers is this behavior for `constant` correct? When I run this in the repl, the second run doesn't run the sub...
m: my %subs = foo => -> $bar { say "Hello, $bar" }; say "1st run"; %subs<foo>.("bar"); constant foo = %subs<foo>; say "2nd run"; foo.("bar"); 06:11
camelia 1st run
Hello, bar
2nd run
Cannot find method 'Any' on object of type Str
in block <unit> at <tmp> line 1
sammers m: my %subs = foo => -> $bar { say "low $bar" }; my %subs = foo => -> $bar { say "Hello, $bar" }; say "1st run"; %subs<foo>.("bar"); constant foo = %subs<foo>; say "2nd run"; foo.("bar");
camelia Potential difficulties:
Redeclaration of symbol '%subs'
at <tmp>:1
------> 3 => -> $bar { say "low $bar" }; my %subs7⏏5 = foo => -> $bar { say "Hello, $bar" };
1st run
Hello, bar
2nd run
Cannot find method 'Any' on object …
sammers sorry for the spam
06:13 j75_ is now known as j75
j75 geekosaur: thanks, just checked dmesg I think you are right 06:14
geekosaur sammers, "constant" operates at compile time, and %subs is empty then
sammers ok, after creating %subs, then running "foo.("bar");" from a new repl line it works. 06:15
geekosaur right, that'd make sense for how the repl operates 06:16
sammers ok, thanks
is there any way to do something like this and execute the code block assigned to %subs<foo> without using foo.()? 06:17
like, something that lets me use "foo: .." or just "foo $param"?
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geekosaur m: BEGIN my %subs = foo => -> $bar { say "Hello, $bar" }; say "1st run"; %subs<foo>.("bar"); constant foo = %subs<foo>; say "2nd run"; foo.("bar"); 06:24
camelia 1st run
Hello, bar
2nd run
Hello, bar
geekosaur but for the .() I think you may need to play with hacking CALL-ME into it :/
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sammers hmm 06:25
BenGoldberg m: sub foo ($bar) { say "low $bar" }; foo "param";
camelia low param
BenGoldberg It should be pretty easy to create a module with an import method, which takes a hash (your %subs), and then mucks with %CALLER so that perfectly ordinary subs are produced. 06:27
But, since it's late enough in my time zone that it's almost early, I've gotta go. 06:28
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sammers how do I send a note to another user again? 06:28
j75 [irc] /msg [-server <server>] <target>[,<target>...] <text> 06:30
geekosaur or for yoleaux, .tell nick message 06:31
sammers .tell BenGoldberg thanks, I will take a look into %CALLER
yoleaux sammers: I'll pass your message to BenGoldberg.
sammers ok, thanks
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RabidGravy boom! 07:20
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RabidGravy right off to the grindstone 07:22
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moritz good morning 07:32
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moritz so, I have a second poll; please help me select the "Perl 6 by Example" cover. Hopefully final round :-) en.99designs.de/contests/poll/juj7un 07:34
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sammers moritz, my wife likes 148 07:50
moritz sammers: thanks. What about yourself? 07:52
sammers me too, I voted for 148
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moritz also consulted his wife several times about the cover designs 07:53
sammers actually, I like both 07:54
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moritz of the 148 design proposals I got, about 50 were above the "I'd be happy with that" level 07:54
and throwing out good designs was kinda hard, but I had to narrow it down 07:55
sammers yeah, I liked several of the earlier ones too.
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DrForr o/ 09:00
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IOninja \o 11:25
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DrForr o/ 11:42
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spebern m: my %hash = key => "val"; say %hash<not_existing_key>; 11:48
camelia (Any)
spebern is this supposed to be like this? 11:49
IOninja yes 11:50
spebern m: my %hash = key => "val"; say %hash<not_existing_key>.elems; 11:51
camelia 1
IOninja Yeah, 1-el list with an Any in it.
m: my %hash = key => "val"; say %hash<not_existing_key>:v.elems;
camelia 0
spebern ok I was not expecting this
IOninja And the Any is in there, 'cause hashes autovivify
m: my %h; %h<foo><bar><ber> = 42; say %h 11:52
camelia {foo => {bar => {ber => 42}}}
spebern ok thanks :-)
lizmat m: say Any.elems 11:58
camelia 1
lizmat so not only for a non-existing key in a hash, but for every type object 11:59
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SmokeMachine m: enum Bla (a => sub {}) # why its wrong? 12:15
camelia 5===SORRY!5=== Error while compiling <tmp>
Cannot auto-generate a proto method for 'Int' in the setting
at <tmp>:1
SmokeMachine m: enum Bla (a => {b => sub {}}) # this isn't
camelia ( no output )
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lizmat SmokeMachine: looking 12:19
SmokeMachine lizmat: shouldn't be wrong?
lizmat don't think so
m: enum Bla (a => Mu) # other case 12:21
camelia 5===SORRY!5=== Error while compiling <tmp>
Cannot auto-generate a proto method for 'kv' in the setting
at <tmp>:1
lizmat SmokeMachine: please rakudobug it, will look at it later if nobody beats me to it
IOninja Does the second one actually work or you simply aren't getting any errors. I recall there being a ticket on the topic 12:22
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SmokeMachine m: enum Bla (a => {b => sub {}}); a.value<b>.say 12:23
camelia sub () { #`(Sub|47096384) ... }
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SmokeMachine IOninja: ^^ 12:23
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SmokeMachine lizmat: rakdobuging... 12:24
lizmat afk for a while&
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timotimo lizmat: thanks for fixing the Binding exception message 12:26
i wonder if we ought to look at all the other exceptions that are put into P6EX 12:27
SmokeMachine m: enum Bla (a => class {})
camelia 5===SORRY!5=== Error while compiling <tmp>
Cannot auto-generate a proto method for 'Int' in the setting
at <tmp>:1
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SmokeMachine Shouldn't the last one give the same error as the next one? 12:29
m: enum Bla (a => Nil)
camelia 5===SORRY!5=== Error while compiling <tmp>
Using a type object as a value for an enum not yet implemented. Sorry.
at <tmp>:1
------> 3enum Bla (a => Nil)7⏏5<EOL>
timotimo nah, it just fails way earlier 12:31
it is kind of strange that it appears, though
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IOninja SmokeMachine: turns out it's a known issue: rt.perl.org/Ticket/Display.html?id...et-history 13:24
And these are the ones I was thinking about rt.perl.org/Ticket/Display.html?id...et-history rt.perl.org/Ticket/Display.html?id...et-history
SmokeMachine IOninja: so that shouldn't work? 13:25
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IOninja err... No comment on that. I'm saying there's already a ticket for it. 13:26
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smls bisectable6: say [=>] (1, 2).Seq; 13:31
bisectable6 smls, Bisecting by exit code (old=2015.12 new=6595950). Old exit code: 0
smls, bisect log: gist.github.com/4e4a3cfd591978358e...fda98113fa
smls, (2017-03-02) github.com/rakudo/rakudo/commit/60...ebc359cbdb
IOninja m: say [=>] (1, 2).Seq; 13:33
camelia P6opaque: no such attribute '$!reified' in type List when trying to get a value
in block <unit> at <tmp> line 1
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IOninja heh 13:33
smls RT'd
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smls Occasionally running unit tests of my own code with Rakudo nom, seems to be paying off... :) 13:38
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IOninja we should be doing it nightly with a bot :) 13:39
m: use nqp; sub (+values) { nqp::getattr(values,List,'$!reified') }( ().Seq ) 13:43
camelia P6opaque: no such attribute '$!reified' in type List when trying to get a value
in sub at <tmp> line 1
in block <unit> at <tmp> line 1
IOninja The cause
m: use nqp; sub (+@values) { nqp::getattr(@values,List,'$!reified') }( ().Seq ) 13:44
camelia ( no output )
IOninja tis not the same thing is it...
IOninja leaves it for expert eyes...
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IOninja m: class Foo { method bar { say "bar" } }; class Bar { has $!bar handles 'bar' = Foo.new }; Bar.new.bar 13:56
camelia bar
IOninja hm... does it have to be an attribute? I just wanna say "Foo handles all the `bar` method calls"
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IOninja um... this design is weird. 13:57
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IOninja April, 2016's Zoffix writes terrible Perl 6... 13:58
masak m: class Foo { method bar { "bar" } }; class Bar is Foo {}; say Bar.new.bar
camelia bar
masak "Foo handles all the `bar` method calls" sounds a little bit like class inheritance to me... 13:59
IOninja A bit.
I didn't want all the methods though, but now I see they're included in this codebase anyway, so meh, inheritance it is! 14:00
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jsimonet m: "&now()" 14:00
camelia 5===SORRY!5=== Error while compiling <tmp>
Undeclared routine:
now used at line 1. Did you mean 'not', 'HOW'?
IOninja now is a term
m: "{now}"
camelia ( no output )
IOninja m: "{now}".say 14:01
camelia Instant:1488549698.179669
jsimonet m: sub foo() { 'plop' }; say "&foo()";
camelia plop
IOninja m: "&term:<now>()".say
camelia Instant:1488549710.507149
jsimonet Is this correct?
IOninja Yes.
jsimonet ok
thanks :)
IOninja <IOninja> now is a term
jnthn IOninja: I think you can handles Bar to say it should handle all methods defined in Bar 14:02
IOninja Cool. 14:03
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IOninja m: sub (Str :$id) {}() 14:10
camelia ( no output )
IOninja m: sub (Str(Cool) :$id) {}()
camelia Use of uninitialized value of type Cool in string context.
Methods .^name, .perl, .gist, or .say can be used to stringify it to something meaningful.
in sub at <tmp> line 1
IOninja m: sub (Str:D(Cool) :$id) {}()
camelia Parameter '$id' requires an instance of type Str, but a type object was passed. Did you forget a .new?
in sub at <tmp> line 1
in block <unit> at <tmp> line 1
IOninja :(
Well, last one is lame, but at least understandable....
IOninja sweeps the problem under the rug with `= ''` 14:11
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raschipi m: say sub (Str:D(Cool) :$id = '') {}() 14:18
camelia Nil
raschipi m: say sub (Str:D(Cool) :$id = '') {$id}(id => 42) 14:20
camelia Type check failed in binding to '$id'; expected Str but got Int (42)
in sub at <tmp> line 1
in block <unit> at <tmp> line 1
raschipi m: say sub (Str:D(Cool) :$id = '') {$id}(id => '42') 14:21
camelia 42
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IOninja Twitter.pm6 can now send direct messages \o/ 14:23
Sucks that you don't get notifications for DMs received from yourself :/ 14:24
Gonna make a bot that proxies IRC messages addressed to me to my Twitter. This way I won't have to ever read IRC, but still get notifications if someone tells me something :) 14:26
raschipi IOninja: if you aren't on IRC, you don't exist
IOninja is fine with that 14:27
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timotimo existing is way too much hassle 14:30
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masak is happily surprised to find tio.run/nexus/perl6 14:41
timotimo what's the "header" and "footer" thing about? 14:43
masak no idea 14:45
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moritz looks to be simply code that's concatenated to the "code" input field 14:53
if I define a variable in the header, I can access it in the footer
no idea why one needs separate input fields for that though
IOninja likely for markup
I assume Perl 6 isn't the only language on the site. 14:54
moritz maybe to be able to collapse parts you don't want to show
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timotimo fair enough 14:54
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Geth perl6.org/Getting-Involved-Community: 9ec4d48c00 | Cale++ | source/community/index.html
Update index.html
 14:59
perl6.org: f3446f2af6 | Cale++ | source/community/index.html
Add "Getting Involved" Section

Looking for feedback on this addition. Think I covered the main areas		 15:01
perl6.org: 9ec4d48c00 | Cale++ | source/community/index.html
Update index.html
perl6.org: 04b9e32461 | (Zoffix Znet)++ | source/community/index.html
Merge pull request #77 from perl6/Getting-Involved-Community

Add "Getting Involved" Section
perl6.org: 8b0dfdd8c3 | (Zoffix Znet)++ | source/community/index.html
s/newcomers// in "I already know the language" section
 15:02
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SmokeMachine IOninja: but the ticket says LTA error message... 15:16
IOninja m: class { has Str:D $.foo }.new: :foo<foo> 15:17
camelia 5===SORRY!5=== Error while compiling <tmp>
Variable definition of type Str:D requires an initializer
at <tmp>:1
------> 3class { has Str:D $.foo 7⏏5}.new: :foo<foo>
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IOninja Seriously? -_- 15:17
Default constructor for 'ZofBot::Plugin::Twitter' only takes named arguments xx 100 15:21
Die in a fire!
m: sub x { %(:42foo, :43bar) }; class {}.new: |(x<foo bar>:p) 15:22
camelia Default constructor for '<anon|70104960>' only takes named arguments
in block <unit> at <tmp> line 1
IOninja What's its problem?
m: sub x { %(:42foo, :43bar) }; class { has $.foo; has $.bar; method x { dd [$!foo, $!bar ] }}.new(|(%(x<foo bar>:p))).x 15:23
camelia [42, 43]
jnthn :p returns a list of pairs
Try |%(x<foo bar>:p)
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IOninja Thanks. 15:24
timotimo we need to build a slang that accepts FACE WITH STUCK-OUT TONGUE instead of :p - 😛 15:26
(doesn't show up in my terminal)
IOninja heh
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IOninja m: class { has SetHash $.x .= new: 42 }.new.x.say 15:43
camelia SetHash.new(42)
IOninja m: class { has SetHash:D $.x .= new: 42 }.new.x.say
camelia ===SORRY!===
Could not locate compile-time value for symbol SetHash:D
IOninja hehehe
tis the same bug as the `::` in names with `.new`
This one: github.com/rakudo/rakudo/commit/70...d9dac0f698 15:47
though no idea how to make it handle type smileys
IOninja stashes this one for a rainy day...
jnthn We'd need to spot it's a concreteness type and pull out hte real type to do the .new on 15:48
Though I'm curious why we're ever using the string there 15:49
Feels a bit odd, since we should be letting type parsing make an AST with the right kinda thing, I'd hope
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IOninja m: class { has $!foo = 42; subset Meows where $!foo; } 15:51
camelia 5===SORRY!5=== Error while compiling <tmp>
Variable $!foo used where no 'self' is available
at <tmp>:1
------> 3has $!foo = 42; subset Meows where $!foo7⏏5; }
cschwenz so, for META6 files… is the file suffix .json or .info ?
IOninja Bummer... Any way around this? I want a subset to use class's attribute
cschwenz: META6.json
cschwenz IOninja++
thanks
IOninja m: class { has $!foo = 42; submethod BUILD { our subset Meows where -> $f { sub ($e) { $e ~~ $f } }($!foo); }; method mew ($v) { say $v ~~ Meows } }.new.mew: 42 15:54
camelia Cannot look up attributes in a VMNull type object
in method mew at <tmp> line 1
in block <unit> at <tmp> line 1
IOninja m: class { has $!foo = 42; submethod BUILD { my $x = $!foo; our subset Meows where $x; }; method mew ($v) { say $v ~~ Meows } }.new.mew: 42 15:55
camelia True
IOninja yey
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jnthn That seems...a bit dangerous 15:58
Also I don't think it's doing what you think it is :) 15:59
m: class { has $!foo = 42; submethod BUILD { my $x = $!foo; our subset Meows where $x; }; method mew ($v) { say $v ~~ Meows } }.new.mew: 43
camelia True
jnthn Thought so...
IOninja aww :( 16:00
jnthn At the time $!foo is read in BUILD it hasn't been initialized
So $x contains the Any type object
And so it's doing 42 ~~ Any
Also even if a binding were used, it'd still be referring to the attribute of the latest instance of the object 16:01
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IOninja m: class { has $!foo = 42; submethod TWEAK { dd $!foo; my $x = $!foo; dd $x; our subset Meows where $x; }; method mew ($v) { say $v ~~ Meows } }.new.mew: 428 16:01
camelia Int $!foo = 42
Int $x = 42
True
IOninja What about this one? Seem it's initialized
m: class { has $!foo = 42; submethod TWEAK { dd $!foo; my $x = $!foo; dd $x; our subset Meows where * == $x; }; method mew ($v) { say $v ~~ Meows } }.new.mew: 428 16:02
camelia Int $!foo = 42
Int $x = 42
Use of uninitialized value of type Any in numeric context
in whatevercode at <tmp> line 1
False
IOninja hmmm
jnthn Same lifetime problem though
IOninja OK
jnthn There's no good way to do it
Short of method foo($*SELF:) { ... }
And then subset Blah where { $*SELF.foo == 42 } or so
Which I'm not sure if counts as "good" 16:03
IOninja :)
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IOninja m: class { my SetHash $x .= new: <foo>; subset Foo where .uc ∈ $x; method x { say 'foo' ~~ Foo } }.new.x 16:15
camelia Invocant requires an instance of type SetHash, but a type object was passed. Did you forget a .new?
in method x at <tmp> line 1
in block <unit> at <tmp> line 1
IOninja m: class { my SetHash $x .= new: <foo>; subset Foo where {.uc ∈ $x}; method x { say 'foo' ~~ Foo } }.new.x
camelia False
IOninja Supposed to be like that or is it a thunking issue? (the difference between the two is the explicit block on `where`)
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jnthn Not sure why the first one failed 16:18
IOninja m: 'x'.uc ∈ SetHash
camelia WARNINGS for <tmp>:
Useless use of "∈" in expression ".uc ∈ SetHash" in sink context (line 1)
Invocant requires an instance of type SetHash, but a type object was passed. Did you forget a .new?
in block <unit> at <tmp> line 1
IOninja Looks like in that version $x is not initialized
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raschipi How is this use of a colon called: "my SetHash $x .= new: <foo>;"? 16:31
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IOninja ¯\_(ツ)_/¯ just a normal method call 16:32
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Meows Check it out.... 16:32
raschipi I searched for it in the subroutine and method invocation pages and can't find documetation for this form.
Meows I heard Zoffix is aweome!
Yup, and IOninja is cool too 16:33
IOninja \o\/
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Meows Zoffix Zoffix Zoffix Zoffix 16:33
16:33 Meows left
timotimo what's that all about %) 16:33
is that your twitter-irc-bridge or something?
moritz performance art?
IOninja wait for it... 16:34
My direct messages on Twitter: i.imgur.com/GUt5YF5.png
:)
timotimo useful 16:35
IOninja The bot relayed my mentions to twitter, and did not relay the last message because it saw me speak :D
All in just 60 lines of Perl 6 code: github.com/zoffixznet/perl6-ZofBot...witter.pm6 16:37
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IOninja raschipi: well, it's $foo.bar: <some args>; But we have the meta-assign op; in other languages you may seen it as $x += 42, which is the same as $x = $x + 42; We extended that metaphore to all operators, so you $x .= foo: <some args> is the same as $x = $x.foo: <some args>; (which is same as $x = $x.foo(<some args>) 16:43
raschipi I know how it works, I understood the code. But I got it from code examples and wanted to see the docs for it. Can't find it. 16:44
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IOninja Ah. No idea where that may be documented. 16:49
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IOninja There's a blurb here: docs.perl6.org/routine/$FULL_STOP$EQUALS_SIGN 16:52
raschipi That part I had seen, I want the colon list part.
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IOninja m: say { $:add ?? $^a + $^b !! $^a - $^b }( 4, 5 ) :!add 16:57
camelia -1
IOninja TIL you can specify named args outside the parens :o
raschipi m: say { $:add ?? $^a + $^b !! $^a - $^b }( 4, 5 ) 16:58
camelia Required named parameter 'add' not passed
in block <unit> at <tmp> line 1
raschipi m: say { $:add ?? $^a + $^b !! $^a - $^b }( 4, 5 ) :add 16:59
camelia 9
raschipi Like an adverb.
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IOninja m: say {[~] $:foo, $:bar, $:ber }() :foo :!bar :ber<meows> 17:01
camelia TrueFalsemeows
IOninja The $: twigil would be a lot more useful if you could somehow use it in, say, a for loop 17:02
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IOninja m: my %h = :42a, :72b; for %h.pairs { say $:key, $:value } 17:03
camelia Too many positionals passed; expected 0 arguments but got 1
in block <unit> at <tmp> line 1
IOninja like something like this
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raschipi So it should assume that $:key is .key? 17:06
IOninja No, the issue lies in unpacking 17:07
m: my %h = :42a, :72b; for %h.pairs -> (:$key, :$value) { say $key, $value }
camelia a42
b72
IOninja and if it unpacked the 1 thing given to it to named args, the $:key, $:value would wokr
raschipi m: say { $:add? ?? $^a + $^b !! $^a - $^b }( 4, 5 )
camelia 5===SORRY!5=== Error while compiling <tmp>
Bogus postfix
at <tmp>:1
------> 3say { $:add7⏏5? ?? $^a + $^b !! $^a - $^b }( 4, 5 )
expecting any of:
infix
infix stopper
statement end
statement m…
IOninja Something like `my %h = :42a, :72b; for %h.pairs ---> { say $:key, $:value }` to mean call it as `for { {}(|$_) }` 17:09
raschipi I see
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IOninja Which can be generalized to signature thingie on all callables that would know to slip the given argument, so instead of doing |(blah blah) on each call, you'd specify it once in the signature. 17:10
Or maybe not, since we can do slurpies right now \o/ 17:11
So just $:foo is something I'm yet to use in real code :)
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IOninja Well, the relay bot is done. The long weekend has almost stared... 17:24
IOninja disappears into the shadows to do IO ninjaing... 17:25
*started :)
timotimo cool 17:28
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elaADnlxie ZofBot: relay bot? 17:34
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araraloren ~~ O_O 17:43
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Geth perl6.org: 99947e7e36 | Cale++ | source/community/index.html
Edit hack on compiler text
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RabidGravy Boo! 18:43
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IOninja elaADnlxie: ZofBot DMs me on Twitter when people mention me on IRC while I'm away. So I don't need to backlog :) 19:00
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hankache hoal #perl6 19:10
hola*
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RabidGravy erp 19:19
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b2gills .tell moritz the header and footer fields on TIO.run are for Code Golfs where the entry is a function or a snippet, see the "Try it" link at codegolf.stackexchange.com/a/110377/1147 19:38
yoleaux b2gills: I'll pass your message to moritz.
IOninja m: '...'.encode.bytes.say 19:42
camelia 3
IOninja m: '…'.encode.bytes.say
camelia 3
IOninja wow, that Brachylog entry looks mental... 19:43
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Geth doc/py-nutshell: fc5555b940 | (Brian Duggan)++ | doc/Language/py-nutshell.pod6
py-nutshell
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IOninja fancy 19:56
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moritz \o 20:01
yoleaux 19:38Z <b2gills> moritz: the header and footer fields on TIO.run are for Code Golfs where the entry is a function or a snippet, see the "Try it" link at codegolf.stackexchange.com/a/110377/1147
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Geth doc/py-nutshell: 865fdcf7b5 | (Brian Duggan)++ | doc/Language/py-nutshell.pod6
put
 20:08
IOninja finishes spamming commit comments... 20:09
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raschipi Are Python devs still wanting to remove the few funtional features they have? 20:12
IOninja Ask in #python? 20:14
raschipi Don't want to start a flamewar. 20:15
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Geth doc/py-nutshell: 347c99e3bb | (Brian Duggan)++ | doc/Language/py-nutshell.pod6
replace i with x
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elaADnlxie raschipi: what do you mean by still? They moved them to some includable package or something, but it was a long time ago 20:20
raschipi I see, thanks. I knew someone here would know.
IOninja m: q♥{({$/ if is-prime $/=2**++$*++$-1}…*.comb>$^k).min:{abs $k-.comb}}♥.encode.bytes.say
camelia 68
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IOninja b2gills: ^ can shave off 3 chars by using .comb instead of .chars and using $^k instead of pointy block 20:20
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Geth doc/py-nutshell: b5f4caf034 | (Brian Duggan)++ | doc/Language/py-nutshell.pod6
whatever code for lambdas
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IOninja \o/ 20:40
bduggan++
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b2gills Both of those are things I usually try, I must have been tired and didn't bother 20:44
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Geth perl6-most-wanted: c039c4934f | (Brad Clawsie)++ | most-wanted/modules.md
mention HTTP2
 21:00
elaADnlxie IOninja: hm, I wonder, how can have some generic exception handling when using IRC::Client? That is, I want to do something different here: github.com/zoffixznet/perl6-IRC-Cl...t.pm6#L301
Geth doc/py-nutshell: a6f804bbb3 | (Brian Duggan)++ | doc/Language/py-nutshell.pod6
use x²
 21:03
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elaADnlxie By the way, perhaps somebody wants to write something here: stackoverflow.com/questions/1416215 21:08
Geth doc/py-nutshell: f01ba07387 | (Brian Duggan)++ | doc/Language/py-nutshell.pod6
added more idiomatic named parameters
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Geth doc/py-nutshell: 32b3be421f | (Brian Duggan)++ | doc/Language/py-nutshell.pod6
off by 1
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lizmat elaADnlxie: I wrote something 21:20
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IOninja elaADnlxie: none ATM; would need to add code 21:20
Geth doc/py-nutshell: 032a15e1df | (Brian Duggan)++ | doc/Language/py-nutshell.pod6
blocks vs subroutines
 21:21
IOninja prolly an attribute on IRC::Client that takes a Callable that gets called from that default block
IOninja &
moritz nine: does Inline::Python have any python 3 support? 21:22
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elaADnlxie lizmat++ 21:27
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travis-ci Doc build failed. Brian Duggan 'py-nutshell' 21:35
travis-ci.org/perl6/doc/builds/207484960 github.com/perl6/doc/commit/fc5555b940bc
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lizmat elaADnlxie: hmmm... that was a 7 year old question, I just realized :-) 21:36
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elaADnlxie lizmat: yes, but that's what comes up on the first page of google 21:38
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lizmat elaADnlxie: ah, good point :-) 21:40
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b2gills lizmat: do you mind if I changed the links to the markdown equivalent of L<general overview|http:…> 21:42
lizmat you can ?
please go ahead :-) 21:43
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travis-ci Doc build failed. Brian Duggan 'put' 21:49
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b2gills lizmat: like this stackoverflow.com/posts/42588603/revisions 21:53
lizmat :-)
b2gills You can also do it [like this](example.com), but it makes it harder to find all the links to edit them in larger posts 21:54
That is one of the main features that Markdown has that I feel that POD is lacking 21:55
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b2gills being able to group the links at the end 21:55
Geth ecosystem: ufobat++ created pull request #301:
Adding XML::Rabbit
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Geth ecosystem: a1950e0dd5 | (Martin Barth)++ | META.list
Adding XML::Rabbit
 22:28
ecosystem: a2bfcf40cf | (Martin Barth)++ | META.list
Merge pull request #301 from ufobat/patch-3

Adding XML::Rabbit
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ufobat thanks zoffix :) 22:29
IOninja np
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