Higher-Kinded-J v0.2.3 is out!

Now with Spring Boot starter support - just add dependency:
- Either, Validated, EitherT as controller return types
- Automatic JSON serialisation
- Type-safe error handling REST

https://higher-kinded-j.github.io/latest/spring/spring_boot_integration.html

#Java
#SpringBoot
#FunctionalProgramming

Introduction - Higher-Kinded-J: Composable Effects and Advanced Optics for Java

The most comprehensive functional programming library for Java. Unify error handling, optional values, and immutable data navigation with the Effect Path API and Focus DSL. Features advanced optics with code generation for Java records, filtered traversals, indexed optics, and seamless Spring Boot integration.

Higher-Kinded-J Documentation
There is also #SpringSecurity integration and #Actuator integration examples on the website. Really interested to hear feedback from #Spring developers.