FLIN
The language that replaces 47 technologies
A compiled, full-stack programming language built from scratch in Rust. One syntax for frontend, backend, database, and tooling. 3,200+ tests. 180 embedded UI components. Zero npm dependencies.
Building FLIN
#153 -- What the Audit Taught Us About Building a Language
Lessons learned from auditing a 186,000-line programming language built in 42 days.
FLIN: The Language That Replaces 47 Technologies
One language for frontend, backend, database, and tooling. Built from scratch in Rust with 3,200+ tests. No npm. No Webpack. No framework fatigue.
Building 180 UI Components in 14 Sessions with Parallel AI Agents
How we built a complete enterprise UI library -- buttons, forms, charts, data tables, e-commerce templates -- compiled directly into the FLIN binary. Zero external dependencies.
From Lexer to Browser: Building the FLIN Compiler in 26 Sessions
The complete technical story of building a programming language compiler from scratch -- lexer, parser, type checker, code generator, virtual machine -- in 26 collaborative AI sessions.
From 176KB to 45KB: How We Optimized FLIN for Production
A fresh FLIN app shipped at 176KB. We got it under 50KB with server functions, asset hashing, tree-shaking, and lazy i18n -- all built into the language.
One Missing Opcode Silently Broke Entity Creation in FLIN
Entity creation in the todo app stopped working. No errors. No crashes. Just silent failure. The root cause: a single opcode missing from a secondary dispatch table.