union types

A blog post by Timo Bingmann examines how union types and option types work, comparing how different programming languages handle optional values and type unions. The piece explains design trade-offs between approaches like tagged unions, nullable types, and sum types, and is drawing attention among developers interested in type system design.

A new blog post explores how union types and option types work in programming language design, examining their trade-offs for representing values that may be absent. The piece is drawing attention among developers interested in type systems, with readers debating the practical differences between the two approaches and when each is the better fit.