Branded types
AssessTechniques
A TypeScript technique for simulating nominal types by attaching an extra phantom brand.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by open-source activity, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 4Hacker News·6/30/2026open_sourceParsing Instead of Validating in TypeScript
The article argues that TypeScript code often validates data repeatedly instead of parsing it into more specific types that preserve guarantees. It discusses using branded or nominal-style types to encode parsed values like email addresses so later code can rely on the type system instead of re-checking conditions.