Crystal brings Ruby's expressive syntax to native binaries: static typing with full inference, fibers for concurrency, a powerful macro system, and LLVM-backed performance — an honest deep dive for engineers evaluating it for production work.
Ruby
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Crystal: Ruby Syntax, C Speed -
Ruby: The Language That Still Ships Ruby 3.x performance with YJIT, Ractors, RBS type signatures, Rails 8's Solid Stack, Kamal deployment, and why the self-hosting renaissance suits Ruby perfectly.