Kevin Newton on Ruby & Python, Prism, Psych-Pure, and Exreg
Feb 06, 2026•56 min•Ep. 337
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Episode description
In this episode, Chris, Andrew, and David kick off with humorous stories about coding experiences across different languages, and then they welcome back guest Kevin Newton who shares his journey from Shopify to Meta. Then, Kevin discusses the intricacies of Ruby and Python, particularly the challenges and trade-offs in their runtime implementations. The conversation then shifts to the development and adoption of the Prism parser in Ruby, highlighting its impact on various projects. Lastly, Kevin shares insights on his work with a pure Ruby YAML parser and a regex engine, emphasizing the complexities and joys of coding and parsing languages. Hit download now!
Links
- Judoscale- Remote Ruby listener gift
- Kevin Newton X
- Kevin Newton GitHub
- Kevin Newton Blog
- Python support for free threading
- A Ruby Regular Expression Engine (Blog post by Kevin Newton)
- Prism: Ruby 3.3’s new error-tolerant parser (Blog post by Kevin Newton)
- A Ruby YAML parser (Blog post by Kevin Newton)
- Exreg
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