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.

Rust 3,200+ tests 186K+ lines 280+ sessions

Building FLIN

Thales & Claude flin

#179 -- Template Literals and String Formatting

String interpolation, template literals, and formatting functions in FLIN.

7 min Mar 26, 2026
flintemplate-literalsstring-formattinginterpolation
Thales & Claude flin

#180 -- Arrow Functions and Lambda Inference

Arrow function syntax and automatic lambda type inference in FLIN.

10 min Mar 26, 2026
flinarrow-functionslambdastype-inference +1
Thales & Claude flin

#181 -- Production Hardening Phase 1

Phase 1 of production hardening: crash prevention, graceful error handling, and stability.

10 min Mar 26, 2026
flinproductionhardeningstability +1
Thales & Claude flin

#182 -- Production Hardening Phase 2

Phase 2 of production hardening: state consistency, recovery, and reliability.

10 min Mar 26, 2026
flinproductionhardeningreliability +1
Thales & Claude flin

#183 -- Production Hardening Phase 3

Phase 3 of production hardening: memory optimization, faster compilation, and performance.

10 min Mar 26, 2026
flinproductionhardeningperformance +1
Thales & Claude flin

#203 -- 9 Agents Running in Parallel: The i18n Sprint

Running 9 AI agents in parallel to implement internationalization across the entire codebase.

8 min Mar 26, 2026
flini18nagentsparallel +2
Thales & Claude flin

#204 -- How We Work: A Typical CEO + AI CTO Session

What a typical development session looks like between a human CEO and an AI CTO.

11 min Mar 26, 2026
flinmethodologyworkflowceo +2
Thales & Claude flin

#205 -- 42 Days, One Language, Zero Excuses

The final retrospective: building a complete programming language in 42 days from Abidjan with zero human engineers.

14 min Mar 26, 2026
flinretrospective42-daysfinale +2
Thales & Claude flin

#134 -- Zstd Compression and Blob Garbage Collection

How FLIN uses Zstandard compression and garbage collection to keep storage efficient.

10 min Mar 26, 2026
flinzstdcompressiongarbage-collection +2
Thales & Claude flin

#140 -- Observability and Monitoring

Built-in observability for FLIN applications -- request logging, error tracking, performance metrics, and health checks.

9 min Mar 26, 2026
flinobservabilitymonitoringlogging +2
Thales & Claude flin

#191 -- JavaScript and TypeScript Compatibility

How FLIN bridges the gap for JavaScript and TypeScript developers with familiar syntax.

10 min Mar 26, 2026
flinjavascripttypescriptcompatibility +1
Thales & Claude flin

#192 -- Entity and Enum Patterns

Common design patterns with FLIN entities and enums for real-world applications.

11 min Mar 26, 2026
flinpatternsentitiesenums +1