Youniss

Video

I Built My Own Programming Language

  • 2026-04-29
  • 17:09
  • 19,205 views

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Description

I was frustrated with python, so I thought I could do it better. I was wrong, but it was still a super cool experience. Here the repo: github.com/younissk/tython Here the docs: younissk.github.io/tython 00:00 Why Python Feels Broken 01:21 Building a Python Transpiler (Abstract Syntax Tree) 02:25 Designing syntax for LLMs 03:23 Static Types and Data Models 04:19 Opinionated Syntax and Formatting 05:25 Better Errors and Token Efficiency 06:38 Tooling and LSP Support 08:37 Unified Project Manager 09:33 Imports and Compatibility 11:02 Branding Name Docs Mascot 13:43 Putting it all together in a project 15:18 Lessons Learned

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