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š¦ Welcome to the former MAIN() IRC channel of the Raku Programming Language (raku.org). This channel has moved to Libera (irc.libera.chat #raku) Set by lizmat on 23 May 2021. |
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| lucs | Is there a more elegant way to write this?: (|('a'..'c'), |(1..3)).pick | 02:38 | |
| ugexe | arguably (flat "a".."c", 1..3).pick | 02:40 | |
| (<a b c 1 2 3>).pick but i dont think thats quite what you meant | 02:41 | ||
| lucs | Yeah, the real ranges are wider, but I like the 'flat' there. | ||
| Thanks. | 02:42 | ||
| This works too: flat("a".."c", 1..3).pick | 02:43 | ||
| And might as well go full functional: ("a".."c", 1..3).flat.pick | 02:44 | ||
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| j2020 | there we go. hello all. | 03:30 | |
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| mykhal | m: (****2)(1..5) | 05:47 | |
| camelia | ( no output ) | ||
| mykhal | m: say (****2)(1..5) | ||
| camelia | (1 4 9 16 25) | ||
| mykhal | m: say (* * * * 2)(2, 3), (** ** 2)(2, 3) | 05:52 | |
| camelia | 12(4 9) | ||
| moon-child | m: say (&[*].assuming(2)ā&reduce.assuming(&[*]))((2, 3)) | 06:01 | |
| camelia | 12 | ||
| moon-child | m: say (2, 3)Ā».&(&[**].assuming(*,2)) | ||
| camelia | (4 9) | ||
| moon-child | tacit ftw! | 06:02 | |
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| mykhal | wtf too | 06:05 | |
| moon-child | the main wtf imo is that ā has lower precedence than function application | 06:06 | |
| m: say &[+](2, 3); say &[+]((2, 3)); say &[+](slip((2, 3))); say &[+](|(2, 3)) | 06:15 | ||
| camelia | 5 2 2 5 |
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| moon-child | why doesn't that print 5 2 5 5? | ||
| mykhal | did not digest it yet, i was just wondering if (****2) will always work as hyperwhatever squared rather than curried product, or it would depend on arguments | 06:19 | |
| moon-child | ****2 has three lexemes: **, **, and 2 | 06:20 | |
| lexing is 'greedy'; it always tries to consume as many characters as it can before continuing. So for instance, ***2 will always be ** * 2; not * ** 2 | 06:21 | ||
| you can see something similar with +: x+++y will always mean (x++) + y. Even though you can space it out to make it be x + (++y), or even x + (+ (+y)) | |||
| so (****2) will always have a hyperwhatever, never a regular whatever | 06:22 | ||
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| CIAvash | moon-child: `|` is not the same as slip when used for arguments. docs.raku.org/routine/%7C | 06:23 | |
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| moon-child | ah, I see, thanks! | 06:30 | |
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| mykhal | m: " # ANFSCD, cannot se have non-normalized unicode strings ? | 06:36 | |
| camelia | 5===SORRY!5=== Error while compiling <tmp> Unable to parse expression in double quotes; couldn't find final '"' (corresponding starter was at line 1) at <tmp>:1 ------> 3se have non-normalized unicode strings ?7ā5<EOL> expecting ā¦ |
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| mykhal | m: say "\x300" eq "\x340" | 06:36 | |
| camelia | True | 06:37 | |
| mykhal | m: say "\x340".ords>>.base(16) | 06:38 | |
| camelia | (300) | ||
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| japhb | mykhal: Yes, but that's not a Str, that's one of the Uni types (such as the NFC NFKC NFD and NFKD normalization-specific types) | 06:40 | |
| Str is always NFG (Normalization Form Grapheme) | |||
| moon-child | mykhal: try utf8-c8 | 06:41 | |
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| mykhal | m: say Uni(0x300) eqv Uni(0x340) | 06:45 | |
| camelia | This representation (VMArray) does not support attribute storage (for type Uni) in block <unit> at <tmp> line 1 |
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| mykhal | japhb , moon-child : Uni is cool, but how to compare them ? | 06:49 | |
| moon-child | that feels wrong. There should be an infix:<cmp>(Uni, Uni) | 06:53 | |
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| mykhal | for now, i can eqv .list's | 06:54 | |
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| mykhal | m: say <<hello #`(freaking) world>> | 07:33 | |
| camelia | (hello world) | ||
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| mykhal | m: say $_([Mu, Any].map(*.^methods>>.gist)) for [&[(&)], &[(^)]] | 12:39 | |
| camelia | Set(ACCEPTS iterator) Set(BIND-POS BUILDALL BUILD_LEAST_DERIVED Bool CREATE Capture Method+{is-nodal}.new Method+{is-pure}.new Numeric Real Str Stringy WHERE WHICH WHY ZEN-KEY bless cache can clone collate defined dispatch:<!> dispatch:<.*> dispatchā¦ |
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| mykhal | .. strange that if i replace symmetric difference operator &[(^)] with separate difference and reversed one: &[(-)], &[R(-)] , the last two resulting sets are same | 12:47 | |
| m: say $_(<a b>, <b c>) for [ &[(-)], &[R(-)] ] | 12:50 | ||
| camelia | Set(a) Set(c) |
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| mykhal | so problem is elsewhere | 12:51 | |
| m: say $_(|[Mu, Any].map(*.^methods>>.gist.Set)) for [&[(-)], &[R(-)]] # ah, missing "|" | 12:55 | ||
| camelia | Set(BUILDALL BUILD_LEAST_DERIVED Bool CREATE Capture Numeric Real Str Stringy WHERE WHICH WHY bless can clone defined dispatch:<!> dispatch:<.*> dispatch:<.+> dispatch:<.=> dispatch:<.?> dispatch:<::> dispatch:<hyper> dispatch:<var> does emit gist gisā¦ | ||
| lucs | ļ½¢āø zef install Inline::Perl5 --exclude="perl"ļ½£ installs the module, instead of, when missing "--excludeā¦", getting ļ½¢ā¦ā¤===> Failed to find dependencies: perl:from<native>ā¤Failed to resolve some missing dependencies (use e.g. --exclude="perl" to skip)ļ½£. And yes, it appears that no matter which Perl is currently being used, perlbrew'ed or otherwise, it's the Perl that was active when the module was installed that Raku will use. | 13:02 | |
| Also, make sure that the version of the relevant Perl was built with the -Duseshrplib option. | |||
| [Coke], raydiak, moritz, ugexe: thanks for your help on this. | |||
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| keutoi | I am having a bit of trouble with multiline definitions in the repl. Can someone take a look? | 15:42 | |
| imgur.com/a/Pi17pLg | |||
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| mykhal | (absent) keutoi : interesting, confirmed in 2021.06 and yesterday's master as well | 18:09 | |
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| MasterDuke | El_Che, leont: any idea if lizmat's house is underwater | 19:59 | |
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| leont | They're fine. They live near the river, but on higher ground | 20:37 | |
| Some villages near them were evacuated, but I think everyone is back now | 20:38 | ||
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| lizmat | yeah, all fine here... :-) | 23:03 | |
| all of the extensive water works of the past 25 years or so, worked out in our area of the river | 23:04 | ||
| the river grew from 50m wide to 1.5km wide, but it's all within expected parameters, more or less :-) | |||
| MasterDuke: thanks for the worries, though :-) | 23:05 | ||
| tellable6 | lizmat, I'll pass your message to MasterDuke | ||
| raydiak | \o/ | 23:15 | |
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