Regarding Lenses, Prisms and Optics

• jackson

  1 192 10.0 Java
  

If you have a lot of instanceof checks and casting, then you should consider having your base class (Term) define all methods that all sub classes implement, which by default do nothing and/or return sensible values (which could be an Optional or a "null object"). For example, Jackson does this for its JSON tree structure and its base class JsonNode.

• frege

  7 3,620 0.0 Frege

  Frege is a Haskell for the JVM. It brings purely functional programing to the Java platform.

  

Or just go full on functional. There are several JVM based Haskell languages, e.g. Eta and Frege.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• kotlin

  208 47,471 10.0 Kotlin

  The Kotlin Programming Language.

  

Another option could be to check out Kotlin. It's a JVM language that while still object-oriented has may functional syntax features.

• eta

  6 2,589 0.0 Haskell

  The Eta Programming Language, a dialect of Haskell on the JVM

  

Or just go full on functional. There are several JVM based Haskell languages, e.g. Eta and Frege.

Suggest a related project