The second batch of Advent Calendar 2023 posts about the Raku Programming Language has arrived. Enjoy!

• Day 5 – The Elves go back to Grammar School by Steve Roe.
• Day 6 – The Future Of POD6 by Kay Rhodes (/r/rakulang comments).
• Day 7 – The Magic Of $/ by Elizabeth Mattijsen (/r/rakulang comments).
• Day 8 – Make it Snow 2.0: The Snowfall Strikes Back by John Haltiwanger (/r/rakulang comments).
• Day 9 – Networks Roasting on an Open Fire, Part 1: Whipuptitude by Geoffrey Broadwell.
• Day 10 – The Magic Of Q by Elizabeth Mattijsen (/r/rakulang comments).
• Day 11 – Networks Roasting on an Open Fire, Part 2: Axes to Grind by Geoffrey Broadwell.

Weeklies

Weekly Challenge #247 is available for your perusal.

New Problem Solving Issues

• Allow declarator docs on phasers?
• Review zero and null values for Ranges

Core Developments

• Elizabeth Mattijsen fixed the behaviour of Range.Bool, and made the Format class a Callable, both in 6.e.
• Vadim Belman implemented resolution of non-parametric generics in expressions and fixed some other issues in the instantiation of generics.

In RakuAST developments this week:

• Elizabeth Mattijsen fixed some deparsing and localization issues.
• The number of passing test-files with the new Raku grammar are now 110/151 (make test -1) and 980/1356 (make spectest -1).

Meanwhile on Mastodon

• Took over a minute to run by Julia.
• Day 4 completed by Osei.
• Did another Uxn-related article by Wim Vanderbauwhede.
• Lack of patience by Osei.
• Want more Range capabilities by Simon Proctor.
• Pleased by the result by Julia.
• Day 5 completed by Osei.
• Day 6 completed by Osei.
• One of the reasons by Massa Humberto.
• About vowels, $/ and regexes by Wendy van Dijk.
• Day 8 completed by seaker.
• Day 7 completed by seaker.
• Day 6 completed by seaker.
• Day 7 completed by Osei.
• Day 8 completed by Osei.
• Day 9 completed by Osei.
• Thinking of a meta-AOC by Donald Hunter.
• A nice little library by Samuel Chase.
• Day 10 completed by seaker.

Meanwhile still on Twitter 𝕏

• The shapes of Ranges by Lewis Wall.

Meanwhile on the mailing list

• Keep getting this error emailed to me on fez upload of module: Error reading META from your last upload by Francis Grizzly Smith.
• Your idea on how to detect random directory names by ToddAndMargo.
• Fwd: Using Vim’s logo for a tabletop game by arocker.
• Test not working so well by ToddAndMargo.
• .contains question by ToddAndMargo.

Questions about Raku

• Is there an elegant way in Raku to see if two ranges overlap? by mscha.
• Raku bug or feature: empty range is True by mscha.
• List seems to be reused but bare value works fine by marwy.
• How do I find all possible values of an enum in Raku? by mscha.
• Is it safe to cache lib/.precomp? by Julia.
• Confused about ‘capturing’-behavior of ( … ) e.g. “immutable lists” vs. [ … ] e.g. “arrays” by chromis.
• Good tools that the base Raku installation should have? by Samuel Chase.
• Can’t use sequence operator ... on a separate line by mscha.

Comments

• Scroll down for AOC results by Wenzel P.P. Peppmeyer.
• On Junction comparisons by Ralph Mellor.
• Doesn’t cover languages that aren’t very popular by GeneralMaximus.
• A complete tokenizer by Ralph Mellor.
• A bit meh by sdolotom.
• Quantum Ghosts by 0x623.

New Raku Modules

• Gzz::Text::Utils “Provide text formatting services to Raku programs” by Francis Grizzly Smith.
• Syntax::Highlighters “Basic syntax highlighting” by Francis Grizzly Smith.
• Image::Markup::Utilities “Functions that facilitate the import, export, and viewing of images in different Markup types of documents” by Anton Antonov.

Updated Raku Modules

• FEN::Grammar by Dan Vu.
• Net::IP::Parse by Brad Clawsie.
• Email::Valid by Denis Kanchev.
• WWW::OpenAI, LLM::Functions by Anton Antonov.
• Test::Async by Vadim Belman.

Winding down

A lot to read and grok this week. Enjoy! Meanwhile, Слава Україні!  Героям слава!

Please keep staying safe and healthy, and keep up the good work!

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