#crystallang — Public Fediverse posts

The Weekly Challenge 389: Zigzag Reorder #Perl #RakuLang #RustLang #Postscript #CrystalLang #Typst #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/09/The_Weekly_Challenge_389__Zigzag_Reorder.html

The Weekly Challenge 388: Secret Dyck #Perl #RakuLang #RustLang #Postscript #CrystalLang #Typst #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/08/The_Weekly_Challenge_388__Secret_Dyck.html

@ralsina Ported a tiny 100loc C++ raytracer to #CrystalLang, reaching the same performance with readable code. Happy rendering!

https://ralsina.github.io/smallpt-cr/

The Weekly Challenge 387: Only Binary Is Rational #Perl #RustLang #Postscript #CrystalLang #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/08/The_Weekly_Challenge_387__Only_Binary_Is_Rational.html

HTML-Safe String Interpolation

More #crystallang macro nonsense

https://willhbr.net/2026/08/17/html-safe-string-interpolation/

The Weekly Challenge 386: A Rational Reverse #Perl #RustLang #Postscript #CrystalLang #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/08/The_Weekly_Challenge_386__A_Rational_Reverse.html

Type-Checking SQL Queries With Crystal Macros

My #crystallang macro powers are unmatched.

https://willhbr.net/2026/08/15/crystal-macro-sql-type-checking/

The Weekly Challenge 384: Are Your Substrings Based? #Perl #RakuLang #RustLang #Postscript #CrystalLang #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/08/The_Weekly_Challenge_384__Are_Your_Substrings_Based_.html

A ukulele songbook with Crystal and Typst #CrystalLang #Typst #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/07/A_ukulele_songbook_with_Crystal_and_Typst.html

The Weekly Challenge 382: Questioning the Cycle #Perl #RakuLang #RustLang #Postscript #CrystalLang #Typst #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/07/The_Weekly_Challenge_382__Questioning_the_Cycle.html

A new release is out: Crystal 1.21.0 🚀

We've reached a major milestone with making Execution Contexts the default concurrency model. https://crystal-lang.org/2026/07/12/releasing-execution-contexts/

Read more at https://crystal-lang.org/2026/07/16/1.21.0-released/

#crystallang #release

The Weekly Challenge 381: Same Element, Different Column #Perl #RakuLang #RustLang #Postscript #CrystalLang #Typst #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/07/The_Weekly_Challenge_381__Same_Element__Different_Column.html

The Weekly Challenge 380: Reverse the Frequency, Kenneth #Perl #RakuLang #RustLang #Postscript #CrystalLang #Typst #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/07/The_Weekly_Challenge_380__Reverse_the_Frequency__Kenneth.html

The Weekly Challenge 379: Reverse Armstrong #Perl #RakuLang #RustLang #Postscript #CrystalLang #Typst #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/06/The_Weekly_Challenge_379__Reverse_Armstrong.html

The Weekly Challenge 378: Second Sum #Perl #RakuLang #RustLang #Postscript #CrystalLang #Typst #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/06/The_Weekly_Challenge_378__Second_Sum.html

The Weekly Challenge 377: A Suffix to Existence #Perl #RakuLang #RustLang #Postscript #CrystalLang #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/06/The_Weekly_Challenge_377__A_Suffix_to_Existence.html

The Weekly Challenge 376: Half a Chessboard #Perl #RakuLang #RustLang #Postscript #CrystalLang #Typst #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/06/The_Weekly_Challenge_376__Half_a_Chessboard.html

The Weekly Challenge 375: Uncommon Beauty #Perl #RustLang #Postscript #CrystalLang #PerlWeeklyChallenge #BlogFiredrakeOrg https://blog.firedrake.org/archive/2026/05/The_Weekly_Challenge_375__Uncommon_Beauty.html

I'm using Crystal's stdlib as example of real-world implementations of structures and algorithms. The advantage of a self-hosted language that has a slim syntax :-D

#crystallang