Parse, don't validate — In a Language That Doesn't Want You To

199 · llimllib's notes · June 30, 2026, 1:49 p.m.
Summary
This blog post discusses the concept of "parse, don't validate" in TypeScript, emphasizing practical techniques and personal insights on the trade-offs of strong type systems. The author shares a learning experience involving the 'brand' technique and critiques the demands of extensive type validation, advocating for a simpler and more practical approach to type management in coding.