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disbot6 <jubilatious1_98524> @Voldenet I don't see how you can .andthen anything because andthen creates a local $_ , which is useful when you're juggling two variables. 07:13
<jubilatious1_98524> m: my $a = "cat"; my $b = 3; $a.chars eq $b andthen say "$a is $b characters is $_"; 07:15
<jubilatious1_98524> raku -e 'my $a = "cat"; my $b = 3; $a.chars eq $b andthen say "$a is $b characters is $_";' cat is 3 characters is True 07:17
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disbot6 <rcmlz> weekly: glot.io/snippets/hdjxplylcc 10:05
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librasteve_ weekly: glot.io/snippets/hdjxplylcc 10:10
notable6 librasteve_, Noted! (weekly)
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disbot6 <antononcube> @rcmlz I didn't know skip... 13:15
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Geth raku-mode: frou++ created pull request #63:
Fix repo URL in Emacs package metadata		 13:46
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lizmat m: dd <a b c>.skip 13:52
camelia ("b", "c").Seq
lizmat m: dd Any.skip
camelia ().Seq
lizmat on a non-iterable value, it just creates an empty Seq antononcube
fwiw, I would have written adjacent-difference as: self Z- self.skip 14:00
or: $_ Z- .skip with self 14:01
or: $_ Z- .skip given self
but yeah: .skip is an easy way to skip the first element of an Iterable 14:02
disbot6 <rcmlz> I was watching www.youtube.com/watch?v=LvFTyvYM-ds and wondering how I could use the tricks shown such that I can re-use it easily, because I keep forgetting all the nifty tricks quite quickly 14:09
<rcmlz> Collecting them in a Role seemed a valid option … 14:10
<rcmlz> and looks much better when used in a chained method call on the array compared to .&{} 14:13
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disbot6 <antononcube> @rcmlz Did Daniel share the slides used in that presentation? 14:43
librasteve_ weekly: www.youtube.com/watch?v=LvFTyvYM-ds 14:44
notable6 librasteve_, Noted! (weekly)
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patrickb librasteve_: that video is 4 years old 14:57
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disbot6 <librasteve> tx for the heads up ... I am going to check for any nice tips an tricks! 15:01
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Voldenet jubilatious1_98524: we were talking about new promises api, not andthen operator 15:14
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disbot6 <librasteve> hi, I am wrestling with a Cro route - have this gist.github.com/librasteve/870ce7d...7943e0c826 in a route block but it only works when my list of @redirects has one elem ... I suspect that this is due to me overloading the same signature ... if I had literals in the get signature, then would work fine ... is there a practicak way to do this? 15:19
<librasteve> sorry - back in 40 mins
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Voldenet librasteve: no need to complicate it: `get -> $old, *@drop { redirect $new }` would work 15:51
nevermind 15:53
it doesn't work
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ab5tract does using a named subset change anything? 15:56
ah, but that's not simple to with @redirects
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Voldenet I got fooled by it appearing to work, but the redirect was totally wrong 16:00
ab5tract what if the redirects are stored in a hash and looked up via $old ? 16:01
I guess the issue is that the signature is too ambiguous 16:02
so that wouldn't help much 16:03
Voldenet well `before { %redirects{.path} andthen redirect $_ }` is an option I think 16:10
disbot6 <librasteve> Voldenet: thanks … yes i have been fooled a couple of time seems that the route{} block is unhappy with many similar signatures … one time i had two routes working but they both redirect to the first value of $new 16:35
<librasteve> i don’t quite understand your before idea … can you maybe do a bigger example? 16:36
Voldenet > my %redirects = ['/community' => '/nav/1/community', …]; my $application = route { before { %redirects{.path} andthen redirect $_ }; … 16:39
downside is that it'd execute all matching middlewares later I think 16:40
other option
> delegate "$old" => route { get -> { say "$old $new"; redirect $new } };
it does sub-routing for the path 16:41
I'm not sure which of these is better option 16:43
I wish you could do `get -> "/$old"` but obviously that won't work trivially, some ast/eval magic would need to be there 16:44
disbot6 <librasteve> is delegate documented anywhere? I havent got a clue what is it doing but it seems to do the trick 16:46
<librasteve> oh I found it cro.raku.org/docs/reference/cro-ht...:Transform 16:49
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disbot6 <librasteve> omg that's a cool trick! 16:52
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Voldenet btw, route is quite wasteful Cro::Transform, because it always does routing underneath (checks path-matcher etc.) 18:49
so actual delegate can use somewhat easier code for redirects, that doesn't check anything and always returns redirect 0x0.st/KyYe.raku 18:53
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tonyo . 19:05
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disbot6 <aruniecrisps> Is there a commonly used UUID library? 20:00
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[Coke] raku.land/?q=UUID 20:13
UUID::V4 looks best? 20:14
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[Coke] s/?// 20:17
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Voldenet no uuid lib is great though, they get higher collision chance over time 21:20
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Voldenet uuid should not be entirely random, because this requires very high quality randomness 21:23
usual algorithms use randomness, but also include timestamp as part of guid 21:24
there are things like uuidd (which is a daemon app for generating guids) or libuuid (which uses high-quality randomness or if it's not present uses timestamp, mac address and some low-quality randomness) 21:27
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Voldenet other approaches use md5(as many unique things as possible) 21:34
huh there's even rfc with it datatracker.ietf.org/doc/html/rfc4122
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