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🦋 Welcome to the MAIN() IRC channel of the Raku Programming Language (raku.org). This channel is logged for the purpose of keeping a history about its development | evalbot usage: 'm: say 3;' or /msg camelia m: ... | Logs can be inspected at colabti.org/irclogger/irclogger_log/raku Set by lizmat on 1 May 2021. |
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| QhpAptyj9hj0RQwM | Hey, I'm having trouble with specifying a user-defined character class that includes a predefined character class with no shorthand(alpha). Is there a way to do this? | 14:27 | |
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| MasterDuke | QhpAptyj9hj0RQwM: i believe the only way to do that (if i'm thinking of the right thing) is with EVAL | 14:44 | |
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| tonyo | QhpAptyj9hj0RQwM: ean example? | 14:56 | |
| QhpAptyj9hj0RQwM | MasterDuke: Thanks, I'll look into this. | 15:01 | |
| tonyo: Something like $string ~~ / <[ <alpha> @ ]> /; | 15:04 | ||
| This one won't work though, because < is interpreted as a literal. | 15:05 | ||
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| Geth | doc: f15f479f97 | (JJ Merelo)++ | doc/Type/Junction.pod6 Minor change mainly to trigger tests |
15:16 | |
| linkable6 | Link: docs.raku.org/type/Junction | ||
| jmerelo | releasable6:status | 15:17 | |
| releasable6 | jmerelo, Next release in ≈4 days and ≈3 hours. There are no known blockers. 0 out of 34 commits logged | ||
| jmerelo, Details: gist.github.com/4c6a74a9188eee9920...d2c4c02282 | |||
| tonyo | QhpAptyj9hj0RQwM: what's wrong with $str ~~ / (<alpha>|'@')+ / ? | 15:30 | |
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| QhpAptyj9hj0RQwM | tonyo: Nothing, but it doesn't feel elegant UwU | 15:53 | |
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| ugexe | / <+alpha +[@]> /; | 15:58 | |
| tonyo | QhpAptyj9hj0RQwM: try <+alpha+['@']> | ||
| QhpAptyj9hj0RQwM | Thank you, senpai. | 16:11 | |
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| lizmat | and yet another Rakudo Weekly News hits the Net: rakudoweekly.blog/2021/05/17/2021-...nodelayed/ | 16:57 | |
| Juerd | :) | 16:59 | |
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| lizmat | afk for a bit& | 17:00 | |
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| Doc_Holliwood | what's the conditional method call operator again? | 17:22 | |
| codesect` | .? | ||
| Doc_Holliwood | m: my $x; say $x.?sum | 17:25 | |
| camelia | Cannot resolve caller sum(Any:U: ); none of these signatures match: (Any:D: *%_) in block <unit> at <tmp> line 1 |
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| Doc_Holliwood | m: my $x; say $x.//sum | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Malformed postfix call at <tmp>:1 ------> 3my $x; say $x.7⏏5//sum |
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| Doc_Holliwood | m: my $x; say $x//.sum | ||
| camelia | Cannot resolve caller sum(Any:U: ); none of these signatures match: (Any:D: *%_) in block <unit> at <tmp> line 1 |
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| Doc_Holliwood | m: my $x; say $x and $x.sum or 0 | 17:26 | |
| camelia | WARNINGS for <tmp>: (Any) Useless use of constant integer 0 in sink context (line 1) Cannot resolve caller sum(Any:U: ); none of these signatures match: (Any:D: *%_) in block <unit> at <tmp> line 1 |
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| jmerelo | m: my $x=3; say $x.?sum | ||
| camelia | 3 | ||
| Doc_Holliwood | m: my $x; say ($x and $x.sum) or 0 | 17:27 | |
| camelia | WARNINGS for <tmp>: (Any) Useless use of constant integer 0 in sink context (line 1) |
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| codesect` | oh, I misunderstood -- .? is conditional in the way JJ just showed, but not in the way you're looking for | ||
| m: my $x; say try $x.sum; # the only way I know | 17:28 | ||
| camelia | Nil | ||
| Doc_Holliwood | m: my $x; say try $x.sum || 0 | ||
| camelia | Nil | ||
| Doc_Holliwood | m: my $x; say { try $x.sum } || 0 | ||
| camelia | -> ;; $_? is raw = OUTER::<$_> { #`(Block|52197816) ... } | ||
| Doc_Holliwood | m: my $x; say { try $x.sum }->() || 0 | ||
| camelia | 5===SORRY!5=== Error while compiling <tmp> Unsupported use of ->(), ->{} or ->[] as postfix dereferencer. In Raku please use: .(), .[] or .{} to deref, or whitespace to delimit a pointy block. at <tmp>:1 ------> 3my $x; say { try $x.su… |
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| Doc_Holliwood | m: my $x; say { try $x.sum }() || 0 | 17:29 | |
| camelia | 0 | ||
| codesect` | m: my $x; say (try $x.sum) || 0 | ||
| camelia | 0 | ||
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| codesect` | m: my $x; say (try $x.sum) // 0 # actually, | 17:29 | |
| camelia | 0 | ||
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| Doc_Holliwood | i don't know | 17:32 | |
| guess i will stick with a ternary then | 17:33 | ||
| codesect` | hmm? I thought ^^^^ was what you wanted? | ||
| jmerelo | Actually, not very clear to me what's the use case here. | 17:34 | |
| Shouldn't it avoid raising an exception? If it raises an exception if it does not exist, then what's the different WRT just calling it directly? | |||
| Ah, OK. You need to check against Nil docs.raku.org/language/operators#i...hodop_.%3F | 17:35 | ||
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| jmerelo | m: my $x; say $x.?sum // "Nope" | 17:36 | |
| camelia | Cannot resolve caller sum(Any:U: ); none of these signatures match: (Any:D: *%_) in block <unit> at <tmp> line 1 |
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| jmerelo | m: my $x; say $x.?sum() // "Nope" | ||
| camelia | Cannot resolve caller sum(Any:U: ); none of these signatures match: (Any:D: *%_) in block <unit> at <tmp> line 1 |
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| Doc_Holliwood | gist.github.com/holli-holzer/8a69c...2c8785026e | ||
| codesect` | yeah, the version I showed with the parens works there | 17:38 | |
| m: my $x; say (try $x.sum) // 0 | |||
| camelia | 0 | ||
| jmerelo | Doc_Holliwood: right. But the thing above should work, right? It's checking for definedness | ||
| Hum | 17:39 | ||
| Doc_Holliwood | yes, but it's obscure and introduces another set of braces | ||
| jmerelo | I think that the problem is that $x is not defined. | ||
| Doc_Holliwood | i hate braces =) | ||
| jmerelo | m: my $x = "Can't"; say $x.?sum() // "Nope" | 17:40 | |
| camelia | Cannot convert string to number: base-10 number must begin with valid digits or '.' in '3⏏5Can't' (indicated by ⏏) in block <unit> at <tmp> line 1 |
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| jmerelo | m: my $x = 0|1; say $x.?sum() // "Nope" | ||
| camelia | any(0, 1) | ||
| jmerelo | m: my $x = :3foo; say $x.?sum() // "Nope" | 17:41 | |
| camelia | Cannot resolve caller Numeric(Pair:D: ); none of these signatures match: (Mu:U \v: *%_) in block <unit> at <tmp> line 1 |
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| jmerelo | I think it does not work very well on a multi | 17:42 | |
| m: my $x = :3foo; say $x.?foo() // "Nope" | 17:43 | ||
| camelia | Nope | ||
| codesect` | how about: | ||
| Doc_Holliwood | m: my $x; say (.item with $x.?x) || 0 | ||
| camelia | 0 | ||
| codesect` | m: my $x; say $x.?&sum//0 | 17:44 | |
| camelia | Cannot resolve caller sum(Any:U: ); none of these signatures match: (Any:D: *%_) in block <unit> at <tmp> line 1 |
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| jmerelo | m: my $x; say (.item with $x.?sum) || 0 | ||
| camelia | Cannot resolve caller sum(Any:U: ); none of these signatures match: (Any:D: *%_) in block <unit> at <tmp> line 1 |
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| codesect` | m: my $x; say $x.&sum//0 | ||
| camelia | Cannot resolve caller sum(Any:U: ); none of these signatures match: (Any:D: *%_) in block <unit> at <tmp> line 1 |
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| jmerelo | codesect`: tried that above. It's the multi | ||
| It says it will call "if there's a method of such name". But then, it might fail because of the signature | 17:45 | ||
| codesect` | Yeah, I thought the & might change that | ||
| m: my $x; my sub sum(|) {}; say $x.?&sum//0 | 17:46 | ||
| camelia | 0 | ||
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| codesect` | that's slightly hacky, but works without any parens | 17:46 | |
| jmerelo | m: my $x=3; my sub sum(|) {}; say $x.?&sum//0 | 17:47 | |
| camelia | 0 | ||
| jmerelo | codesect`: not really... | ||
| codesect` | mmmmm | ||
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| moritz | weekly: news.perlfoundation.org/post/rakua...rt-2021-04 | 18:45 | |
| notable6 | moritz, Noted! (weekly) | ||
| kiti_nomad[m] | Learning raku these days | 18:59 | |
| moritz | kiti_nomad[m]: good choice :D | 19:04 | |
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| tbrowder | hi, where can i find out about the new mailing list [email@hidden.address] | 22:51 | |
| lizmat | tbrowder: not so much a mailing list as an alias that lives on my mail server | 22:52 | |
| just send a message to it for subscribing, and I will "subscribe" you if you want :-) | |||
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| tbrowder | thnx | 22:53 | |
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