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Set by lizmat on 6 September 2022.
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tbrowder .seen raiph 13:51
tellable6 tbrowder, I saw raiph 2024-11-18T22:12:37Z in #whateverable: <raiph> m: gist.github.com/raiph/d244e984dfbb...97aeebaaf6
tbrowder .tell raiph i’ve used term ‘parameter’ instead of ‘argument’ as you suggested 13:53
tellable6 tbrowder, I'll pass your message to raiph
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disbot3 <melezhik.> My solution for TWC 330, task 330 - first ever Sparrow based solution )) gist.github.com/melezhik/1d77a5d2f...b3bb1bdbd0 14:14
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tbrowder just watched [Coke]'s presento, excellent, but fast! too bad you didn't have a chance for a longer session! some questions for [Coke]: (1) is there a complete, summary list of the current status of all the planned Raku changes somewhere we can print or copy for a slide, (2) what app did you use for the slides, and (3) are your glasses capable of easily seeing distance and reading (bi- or tri-focal)? i need new glasses badly and 15:14
yours look comfortable?
disbot3 <librasteve> great talk! 15:49
<librasteve> weekly: youtu.be/z8M05i8FA6k?si=_gs-PNFB-7lXxexo 15:50
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Voldenet Oh no, the link has autotranslated audio 17:12
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Voldenet fortunately it can be changed back without logging in 17:14
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arkiuat so in docs.raku.org/language/typesystem#Coercion it says "To allow built-in types to turn themselves into user defined types use augment or the MOP. 21:31
Raku highlighting
but the only example given is using augment. 21:32
Can one do this with the MOP without using MONKEY-TYPING?
lizmat yeah, and you probably shouldn't use augment unless you really, *really* know what you're doing 21:33
as to using the MOP: what are you trying to achieve? 21:34
arkiuat right, that's what I've heard, which is why I thought it weird that the doco gave an example using augment and not using MOP
well, I have subset of Int where { 0 <= $_ < 1 } and it needs to add and subtract circularly, as if 1 corresponded to 2 pi and these were radians 21:35
lizmat that probably needs fixing: looks like that example is pretty olf
arkiuat and it was handy to defined multi for infix + and -
everything's working fine, it just would be nice to coerce a Real between 0 and 1 to one of these 21:36
oh wait, % works on Num doesn't it. I should just be doing these %1 21:39
lizmat feels like it ?
arkiuat not used to having a modulo operator that isn't Int-only
still, I'd like to have type check on the range 21:40
and I misstated the subset, sorry; it's a subset of Real
lizmat wouldn't adding a infix<+> op for the subset type work ? 21:41
arkiuat yes, I've done that already, although I just redefined it to use %1 21:42
but if I feed a Real between 0 and 1 to one of the other methods defined for this type, it coughs up a type error 21:43
so I'd like to add a type-coercion method to Real without using augment
lizmat sadly the coercion protocol is not very well documented yet
perhaps github.com/Raku/problem-solving/issues/227 can be of use 21:44
arkiuat thank you! i'll take a look
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arkiuat well, after reading most of that, my first thought is it might be easier to just write multi methods handling the base types I'd need to coerce 21:57
heh, except when I switch screens to go look over the error messages from prove6 again, the first one that catches my eye is a failure of BUILD on type-check 22:00
which was working fine when I was using a subset instead of a class. I turned the subset into a class so I could add the multi infix methods for + and - 22:01
er, multi infix subs, I guess 22:03
well, for now, I'm just backing of that class and back to the named subset. I can still use the infix redefinitions for the named subset: I only turned it into a class because I thought it might be easy to add a coercion method after doing that, but apparently not 22:13
lizmat yeah, looks like I put you in the wrong direction, sorry 22:14
arkiuat not at all! I don't think there's really any easier way I could have learned what I now know about how difficult it can be to coerce basic built-in types to custom ones 22:15
I had no idea just an hour ago
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