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Set by lizmat on 6 September 2022.
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ab5tract Cro::Template is a common one 00:28
there is a Mustache module as well
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Xliff There's alsol Template6 01:03
Which is a raku port of Perl's Template Toolkit
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SmokeMachine I like Cro template with Cromponent… 01:17
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thowe is there something that works like Mojo's ep? 02:29
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thowe Ah, Template::Mojo 03:01
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thundergnat <Xliff> I was hoping for a Raku interface to `file`  -- Maybe take a look at raku.land/zef:thundergnat/Filetype::Magic ? 11:00
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wayland Does anyone have tips for how to get zef installed on the docker nightly builds? 12:30
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librasteve wayland: I have made a set of Dockerfiles for my projects (mainly I wanted a full Numpy Python Jupyter stack for Dan::Pandas) - you are welcome to plunder for good info though I have not updated in a while github.com/librasteve/raku-Dockerfiles 13:05
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ab5tract wayland: the brute force way is to clone the repo and install manually 14:38
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librasteve hi! I came across this line of code my $cont = $tmpl.globals.escape.($t.text); 17:25
can anyone tell me what the . after espace is doing and how I can write my own method escape and pass in $t.text please? 17:26
timo m: sub returned-thing($arg?) { say "returned-thing was called with ", $arg }; sub create-it($arg?) { say "create-it was called with ", $arg; }; say "first, without the dot:"; create-it("hi"); say "second, with the dot:"; create-it.("hi") 17:38
camelia first, without the dot:
No such method 'CALL-ME' for invocant of type 'Bool'
in block <unit> at <tmp> line 1

create-it was called with hi
second, with the dot:
create-it was called with (Any)
timo haha i forgot to return returned-thing
m: sub returned-thing($arg?) { say "returned-thing was called with ", $arg }; sub create-it($arg?) { say "create-it was called with ", $arg; return &returned-thing }; say "first, without the dot:"; create-it("hi"); say "second, with the dot:"; create-it.("hi")
camelia first, without the dot:
create-it was called with hi
second, with the dot:
create-it was called with (Any)
returned-thing was called with hi
timo as you can see, the . after ".escape" means instead of calling the escape method with $t.text it's getting something from the ".escape" method that is then called with "$t.text" as its argument 17:39
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timo you will find this used often when a class has an attribute that's callable, for example when there's like "hooks" or "callbacks" you can assign; `$thingie.when-light-turned-off = -> { say "hey who turned off the lights?" }; $thingie.when-light-turned-off.()` 17:40
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librasteve timo: thanks ... will try 17:44
timo for clarity you can also write that as `$thingie.when-light-turned-off()()` or `$thingie.when-light-turned-off().()`
librasteve ok - that's a new superpower (to me) - awesome (but scary) 17:50
timo it's not always the best thing, especially since with "attribute that has callable values" you can only have one to put in there 17:56
often it's better to have a Supply returned from a method, since then code can use .tap on the supply, use it in a react/whenever or supply/whenever construct, or do any of the things you can do when you have a supply 17:57
librasteve ok - got my stub working ... thanks for the help!! 17:58
timo NP 17:59
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SmokeMachine About the grep discussion, I was thinking something like this glot.io/snippets/h87e0fpqlu 18:43
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Voldenet you can use () to write numbers in a very elegant way 18:58
m: sub x { state $huh; -> { say ++$huh; x } }; x()()()()()() # 6 18:59
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librasteve hey you reinvented binary - but inefficient
Voldenet It's awesome, the code above has mit license, feel free to use it in all your projects :^) 19:01
I can trade some efficiency for looking awesome
librasteve lol 19:02
Voldenet it was counting wrong, but aforementioned .() can fix it 19:08
m: sub x { state $huh; -> { say ++$huh; x } }; x.()()()()()() # 6
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librasteve bad news - this is not even binary since you are only counting ()s 19:09
Voldenet yes, it's unary
librasteve nullary 19:10
Voldenet ()ary
ab5tract SmokeMachine: That feels an awaful lot like regular map, though
I'm glad we are talking about this though,... aybe needs a problem solving ticket 19:11
imo, it should just produce the same output shape as its input shape 19:12
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timo just a skip and a hop away from church ordinals 19:49
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librasteve test 19:55
timo greetings steve 19:57
librasteve time to learn tmux ;-) 19:59
+ irssi
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Voldenet librasteve: consider weechat 20:20
tellable6 Voldenet, I'll pass your message to librasteve
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refactus gist.github.com/raiph/849a4a9d8875...b2eda89296 just hit the front page of lobsters 21:22
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librasteve nice … if someone would be kind enough invite me to join lobste.rs i would love to upvote it 21:30
tellable6 2025-06-11T20:20:01Z #raku <Voldenet> librasteve: consider weechat
librasteve to 21:37
SmokeMachine ab5tract: sorry, what do you mean that looks like map? 21:38
On my suggestion it would alway return the same shape as entered… 21:39
ab5tract but only because you are manually shaping it, no?
there should only be a single predicated in a grep block
*predicate
SmokeMachine No… it would only test each item… it on a iteration it is getting X items, it would run X tests on each iteration (and return X values) 21:41
ab5tract I don't see the utility in that, what's the advantage of doing that same thing one at a time? 21:42
SmokeMachine github.com/rakudo/rakudo/issues/58...2963639208
ab5tract *over doing that one at a time
SmokeMachine Because you can accept (or not) the first based on the second, for example… 21:43
ab5tract It onlky makes sense to me if it is still a yes/no per batch
but that's inter-batch stuff you are proposing, not batch-to-batch
I see that example as just a straightforward use case for map, not a great way to think of filter 21:44
perfectly supported by the existing map implementation, I mean 21:45
SmokeMachine like: `(1,3,2,4,5,1).grep: -> $a, $b { $a < $b }`, for example would return (1, 2)
ab5tract agreed 21:46
SmokeMachine But all grep options are supported by map…
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SmokeMachine And: `(1,3,2,4,5,1).grep: -> $a, $b { $a < $b, True }`, for example could return (1, 3, 2, 4, 1) 21:47
ab5tract I don't like that at all 21:48
either the output shape always matches the block signature shape or we haven't addressed the underlying issue at all
remember this is an attempt to address a WATY 21:49
*WAT
in those cases, we should really be focusing on the absolute conceptually simplest solution 21:50
SmokeMachine That’s the thing… I don’t think the grep output should match the block signature, but the list entered… grep should only filter item imho…
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Voldenet that post is on KnowHOW is nice, but edumentab.github.io/rakudo-and-nqp...ls-course/ is a true gem 22:07
(the post links to it)
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ab5tract SmokeMachine: that's a major change from the current implementation. even if we changed it to be about the "list entered", I'd argue that only one element at a time should be processed. this can be destructured by the signature 22:22
mostly I agree with that, but the performance issues are too big for major use cases like .kv 22:23
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ab5tract SmokeMachine: if it should only filter an item, why are you using signatures with multiple args and blocks with multiple predicates? 22:24
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SmokeMachine ab5tract: that what I meant, I think that it should accept block expecting a single argument, but if it should accept multiple arguments my suggestion is the only way it would make sense in my mind… 22:26
ab5tract ah, gotcha, fair enough.
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