unF

Functional programming library for modern Java

• Link: github.com/2bllw8/unf
• License: BSD-3-Clause
• Language: Java

Key features

• Optics: a first-class, composable notion of substructure.
  • Annotation Processor: automatically generate optics for record classes:
    • For each record component, generate a Lens.
    • For each record component of type List, also generate a Traversal.
• Either monad: represent values with two possibilities.
• Maybe monad: encapsulate an optional value.
• Map: purely functional and immutable map (dictionary) implementation.
• Function* interfaces with partial application.

Usage

• Available on Maven Central
• JavaDoc available on GitHub pages

dependencies {
  // Core library
  implementation "cc.chokoka:unf.lib:2.0.0"
  // Optional annotation processor for automatic lens
  // generation for record classes
  annotationProcessor "cc.chokoka:unf.processor:2.0.0"
}