Simple and powerful data validation.

Simple and powerful data validation library with Applicative and Monad interface. Great for constructing structured errors.

⛨ Valor

Simple and powerful data validation library with Applicative and Monad interface. Great for constructing structured errors.

The new version has changed considerably and now it has much simpler API and a lot more of useful, to the point examples throughout the documentation. You can consider it "mature" at this point.