Gergely Orosz · 7 min read · Product Strategy
TypeScript, C# and Turbo Pascal with Anders Hejlsberg
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In this episode, Anders Hejlsberg shares insights on building programming languages that developers love, tracing his work from Turbo Pascal to Delphi, C#, and TypeScript. He covers the importance of tooling and developer workflow, the business considerations of language adoption, and how AI is shaping modern software engineering.
Key Takeaways
- The evolution from hardware-centric origins to layered software underscores the value of building end-to-end abstractions that empower developers.
- Turbo Pascal’s success came from more than a fast compiler—an integrated IDE and debugger that improved the entire developer workflow mattered as much as language design.
- A compelling value proposition—such as '10x better for 1/10th the price'—can drive rapid adoption and reduce piracy through accessible, high-performance tooling.
- Innovations in debugging (e.g., early Turbo Pascal debugging approaches) illustrate how clever tooling design can significantly reduce developer friction.
- AI-assisted development and evolving language features are influencing how engineers write code, with a shift away from line-by-line coding and new considerations for language tooling.
Excerpt
Stream the latest episode Listen and watch now on YouTube , Spotify , and Apple . See the episode transcript at the top of this page, and timestamps for the episode at the bottom. Brought to You by • Antithesis – verify your system’s correctness in the development loop. Build, extend and deploy mission-critical systems: without human review or traditional integration tests, all while avoiding embarrassing outages. Antithesis goes far beyond code review and runs your complete system, exhaustively analyzing its behavior, and exposes bugs as quickly as agents introduce them. Learn more . • WorkOS – Anders has spent…