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🦋 Welcome to the MAIN() IRC channel of the Raku Programming Language (raku.org). Log available at irclogs.raku.org/raku/live.html . If you're a beginner, you can also check out the #raku-beginner channel! Set by lizmat on 6 September 2022. |
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| SmokeMachine | coleman: My NATS client (github.com/FCO/nats) has a few tests now, I still do nothing with the data received by servers INFO command and do not pass anything on CONNECT, and many other non implemented features... do you have any suggestion on what should be the next step? | 03:21 | |
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| lizmat | and yet another Rakudo Weekly News hits the Net: rakudoweekly.blog/2023/05/29/2023-...t-rolling/ | 13:23 | |
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| Xliff | \o | 14:20 | |
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| uzl[m] | lizmat++ | 15:28 | |
| I ~~didn't~~ don't know much about the differences between sigilless and sigilled variables so I created this gist highlighting their differences. Let me know if I'm lying somewhere or completely misunderstanding things haha | 15:32 | ||
| gist.github.com/uzluisf/b3539dbf95...f4646e6c05 | |||
| lizmat | uzl[m]: I wouldn't call [1, 2] a container | 15:34 | |
| uzl[m] | m: my \a := [1, 2]; say a; a = [3, 4]; say a; | 15:36 | |
| camelia | [1 2] [3 4] |
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| uzl[m] | What allows for storing new values into a sigilless once it's been bound to here? | ||
| lizmat | with sigilless "variables" you create a term to which an object is bound | 15:37 | |
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| lizmat | m: my \a = [1,2]; dd a | 15:38 | |
| camelia | [1, 2] | ||
| lizmat | m: my \a = [1,2]; dd a; a := 42 | ||
| camelia | ===SORRY!=== Error while compiling <tmp> Cannot bind to 'a' because it is a term and terms cannot be rebound at <tmp>:1 ------> my \a = [1,2]; dd a; a := 42⏏<EOL> |
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| lizmat | m: my \a = [1,2]; dd a; a.push(666); dd a | ||
| camelia | [1, 2] [1, 2, 666] |
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| lizmat | the object that it is bound to, can be mutable, in case of an Array | ||
| m: my \a = (1,2); dd a; a.push(666) | 15:39 | ||
| camelia | (1, 2) Cannot call 'push' on an immutable 'List' in block <unit> at <tmp> line 1 |
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| lizmat | but if it is not mutable, you cannot change the contents of that object | ||
| m: my \a = my $; a = 42; say a | |||
| camelia | 42 | ||
| uzl[m] | So the object is mutable but it's not a container, right? I think this makes sense but trying to wrap my head around it | 15:40 | |
| lizmat | now, if you bind a container to a sigilless variable, it becomes assignable, because containers *are* assignable | ||
| well, the thing you need to realize is that sigilless variables are just objects | |||
| uzl[m] | What would that look like? Something like my \a := $;? | ||
| lizmat | if the object in question can be mutated, it is mutable | 15:41 | |
| my \a = $ would bind the nameless state variable | |||
| uzl[m] | Right, that makes sense 🤔 | ||
| Tangentially related, where does Raku borrow the concept of containers from (in this context)? | 15:42 | ||
| lizmat | the simplest way to bind a container is the '= my $' trick | ||
| good question: it was one of the hardest things I have needed to grok when starting with Raku, coming from Perl | 15:43 | ||
| uzl[m] | m: my \s = my $ = 1; say s; s++; say s; | 15:44 | |
| camelia | 1 2 |
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| uzl[m] | Cool, back in Python land haha | ||
| lizmat | yup -) | ||
| uzl[m] | Yeah I haven't tried that many languages but I have never found the concept of containers in the ones I've tinkered with so it's kind of interesting | 15:45 | |
| Thanks Liz! Happy Memorial Day everyone! | 15:47 | ||
| I'm back to reading Liz's Rakudo Weekly! | |||
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| tbrowder__ | m: my \a = [1,2]; a.push: 3; dd a | 19:00 | |
| camelia | [1, 2, 3] | ||
| tbrowder__ | my a is an array. wasn't yours a list? | 19:01 | |
| sorry, i missed the first exmpl, back to sleep, bozo | 19:02 | ||
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| lucs | Can I obtain the value (if any) of the "-I" command line option from inside my program? | 20:27 | |
| tbrowder__ | m: constant %h = [ a => 1 ]; say %h.WHAT | 20:42 | |
| camelia | (Map) | ||
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| Xliff | lucs: stackoverflow.com/questions/353529...-not-found | 21:12 | |
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| Xliff | lucs: That boils down to the following -- $*REPO.repo-chain.grep( * ~~ CompUnit::Repository::FileSystem ).gist.say | 21:18 | |
| If you want the entire list of include directories, use: $*REPO.repo-chain.map( ~* ).grep( *.starts-with("/") ).gist.say | 21:21 | ||
| lucs | Xliff: Nice, thanks. | 21:34 | |
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| Xliff | lucs: yw | 22:07 | |
| lizmat | lucs: there's also an undocumented way: | 22:19 | |
| m: say Rakudo::Internals.INCLUDE | |||
| camelia | () | ||
| lizmat | m: use lib 'lib'; say Rakudo::Internals.INCLUDE | ||
| camelia | () | ||
| lizmat | it's definitely just what is on -I | ||
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| ugexe | -I is not restricted to file system repos | 22:21 | |
| and you shouldn’t feel the repo chain objects using starts-with expecting paths eithe reslly | 22:22 | ||
| Just $*REPO.repo-chain is sufficient | 22:24 | ||
| why you shouldn’t follow rhose | 22:25 | ||
| Xliff | ugexe: Actually, those are stringified CompUnit::Repository objects. | ||
| ugexe | grep examples is that /foo and file#/foo are the same | ||
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| Xliff | Which will resolve to a path or the name of the class. Hence the .starts-with for things like AbsolutePath, Perl5 and such. | 22:26 | |
| ugexe | I just showed why that is a bad assumption | ||
| Xliff | m: $*REPO.repo-chain.map( ~* ) | ||
| camelia | ( no output ) | ||
| Xliff | m: $*REPO.repo-chain.map( ~* ).say | ||
| camelia | (/home/camelia/.raku /home/camelia/rakudo-m-inst-1/share/perl6/site /home/camelia/rakudo-m-inst-1/share/perl6/vendor /home/camelia/rakudo-m-inst-1/share/perl6/core CompUnit::Repository::AbsolutePath<2461569001312> CompUnit::Repository::NQP<24615940821… | ||
| ugexe | file#/foo is the same as /foo | ||
| Your example just shows what some possible values are. You shouldn’t assume those are the only values it could be | 22:27 | ||
| Xliff | I'm noit. | ||
| ugexe | sirry for the typos, my phone is not playing nice | ||
| Xliff | However in the lack of documentation, this is the best I could get in the time allowed. | ||
| No worries. I'm on my keyboard and I get them more than I'd like. | 22:28 | ||
| I was actually hoping the stringified objects would contain the "file#" or "inst#" designation. | 22:29 | ||
| Which CompUnit::Repository method handles that piece of information? | |||
| ugexe | Ah I see what you are saying, yeah I was wrong about how I thought they would stringify there | ||
| I think what is expected of people is to map the repo chain to repo-spec or spec-path or some such method I can’t grep for right now | 22:31 | ||
| maybe it’s .id on the repo | 22:35 | ||
| Xliff | m: $*REPO.repo-chain.map( .id ).say | 22:36 | |
| camelia | No such method 'id' for invocant of type 'Any' in block <unit> at <tmp> line 1 |
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| Xliff | m: $*REPO.repo-chain.map( *.id ).say | ||
| camelia | (C76BB82FC7ACA3EB05223CDEDFE6A2A07C8298BD 9DEE4D5C0BAEF261BC738E4CD37D299285F14758 4673D8D2419A42AF180D631AE8A132D0EA08987B B36589A247B3ED3CF56CB3E15D65D79D282CBB49 ap NQP Perl5) | ||
| Xliff | m: $*REPO.repo-chain.head.^methods.map( *.name ).say | ||
| camelia | (TWEAK writeable-path can-install name upgrade-repository install uninstall files candidates resolve need resource id short-id loaded distribution installed precomp-store precomp-repository load repo-chain new source-file WHICH Str gist raku next-repo… | ||
| Xliff | m: $*REPO.repo-chain.map( *.name ).say | 22:37 | |
| camelia | No such method 'name' for invocant of type 'CompUnit::Repository::AbsolutePath'. Did you mean any of these: 'are', 'none', 'note', 'take'? in block <unit> at <tmp> line 1 |
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| Xliff | m: $*REPO.repo-chain.map( *.name ).say | ||
| camelia | No such method 'name' for invocant of type 'CompUnit::Repository::AbsolutePath'. Did you mean any of these: 'are', 'none', 'note', 'take'? in block <unit> at <tmp> line 1 |
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| Xliff | m: $*REPO.repo-chain.map( *.?name ).say | ||
| camelia | (home site vendor core Nil Nil Nil) | ||
| ugexe | Oh it is path-spec | ||
| Xliff | m: $*REPO.repo-chain.map( *.?path-spec ).say | ||
| camelia | (inst#/home/camelia/.raku inst#/home/camelia/rakudo-m-inst-1/share/perl6/site inst#/home/camelia/rakudo-m-inst-1/share/perl6/vendor inst#/home/camelia/rakudo-m-inst-1/share/perl6/core ap# nqp# perl5#) | ||
| Xliff | Ahh... was hoping to just get the inst or file designation, but that works. Thanks. | 22:38 | |
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| ugexe | I think short-id would be just the prefix part | 22:39 | |
| uzl[m] | .seen codesections1 | 22:40 | |
| tellable6 | uzl[m], I saw codesections1 2022-03-29T20:41:00Z in #raku: <codesections> I don't have a release date for epee yet, sorry ☹ | ||
| uzl[m] | .tell codesections1 If your RA article (raku-advent.blog/2022/12/20/sigils/), there's this incomplete sentence: | ||
| "Or we could group them with curly brackets, which creates a." | |||
| tellable6 | uzl[m], I'll pass your message to codesections | ||
| Xliff | ugexe: That it is! I almost missed that one. Thanks! | 22:43 | |
| m: $*REPO.repo-chain.map( ~* ).grep( *.short-id eq 'file' ) # -I list | 22:44 | ||
| camelia | No such method 'short-id' for invocant of type 'Str' in block <unit> at <tmp> line 1 |
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| Xliff | m: $*REPO.repo-chain.grep( *.short-id eq 'file' ) # -I list | ||
| camelia | No such method 'short-id' for invocant of type 'CompUnit::Repository::AbsolutePath' in block <unit> at <tmp> line 1 |
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| Xliff | m: $*REPO.repo-chain.grep( *.?short-id eq 'file' ) # -I list | ||
| camelia | Use of Nil in string context in block <unit> at <tmp> line 1 Use of Nil in string context in block <unit> at <tmp> line 1 Use of Nil in string context in block <unit> at <tmp> line 1 |
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| Xliff | m: $*REPO.repo-chain.grep({ ( .?short-id // '' ) eq 'file' }) # -I list | 22:45 | |
| camelia | ( no output ) | ||
| ugexe | Welol, you can pass inst# repos or any repo to -I | ||
| Xliff | Wheee.... | ||
| I thought -I was only filesystem | |||
| ugexe | nope | ||
| Xliff | How would you pass #inst? | ||
| Or inst#? | |||
| ugexe | inst#/path/to/repo typically | 22:46 | |
| quoted | |||
| Xliff | Oh. That simple. LOL | ||
| ugexe | if it’s a named repo (one of the defaults) then inst#site works | 22:47 | |
| Xliff | OK, thanks. | ||
| Is any of this documented anywhere? | |||
| ugexe | No clue | 22:49 | |
| Xliff | OK. | ||
| I'll see if I can turn this conversation into something usable in my copious amounts of spare time. | |||
| Speaking of which... I think p6-EDS is screaming my name.... | |||
| Xliff is off on more Adventures of the Quixotic Coder | 22:50 | ||
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