The Peterman Pod

Creator of Lua: Scripting, Programming Languages, Predictions | Roberto Ierusalimschy

Montag, 3. August 2026 · 1 h 05

MP3

Shownotes

Roberto Ierusalimschy is the creator of the Lua programming language. I interviewed him about Lua's unique strengths, programming language design and predictions for how AI will impact programming languages.

• My ergonomic keyboard project I mentioned, you can follow along here: read.compose.llc
• The Kickstarter page for it: kickstarter.com/projects/ryanlpeterman/compose…

Podcast links:

• YouTube: youtu.be/jCZnFKk6M9A
• Apple: podcasts.apple.com/us/podcast/the-peterman-pod…
• Transcript: developing.dev/p/creator-of-lua-scripting-prog…

Thank you to this episode's sponsor for supporting my work:

• WorkOS: makes your app Enterprise Ready with easy to use APIs to add SSO, SCIM, RBAC, and more in just a few lines of code, check them out at workos.com

Timestamps:

() Intro
() What sets Lua apart
() Comparing Lua with Python
() Top book recommendation on language design
() How JIT works and why it is hard
() Compiling Python and interpreting C
() How cross language calls work
() Lua unique design decisions
() Predictions for AIs impact on languages
() Top 3 languages to learn to become a better engineer
() Advice for his younger self
() Outro

Where to find Roberto:

• Website: inf.puc-rio.br/~roberto
• Wikipedia: en.wikipedia.org/wiki/Roberto_Ierusalimschy

Where to find Ryan:

• Newsletter: developing.dev
• X/Twitter: x.com/ryanlpeterman
• LinkedIn: linkedin.com/in/ryanlpeterman
• Threads: threads.com/@ryanlpeterman
• Instagram: instagram.com/ryanlpeterman
• TikTok: tiktok.com/@ryanlpeterman

Referenced in this episode:

• The Evolution of Lua: lua.org/doc/hopl.pdf
• LuaJIT: luajit.org
• How much does it cost: youtube.com/watch?v=EUvgoxBm7uc
• JavaScript: The Good Parts (not an affiliate link): amazon.com/dp/0596517742

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