higher-kinded-types

C# pure functional programming framework - come and get declarative!

Functional companion to Kotlin's Compiler

Higher-kinded data via generics

A type-level library enabling the creation and the manipulation of type constructors which can be detached from their type parameters. Also referred to as higher kinded types.

Functional Programming library for Java

Functional programming for deno and javascript. Monads, semigroups, optics, parsers, state management, yadda yadda yadda.

Boilerplate-free, zero-overhead Tagless Final / typed-final / Finally Tagless DSLs in Scala

Seamless Higher-Kinded Types in Rust

🍃 A micro HKT (higher-kinded type) implementation for TypeScript, with type safety elegantly guaranteed.

Higher-kinded types, monads and composable effects for Java 25+: the Effect Path API for railway-style error handling, advanced optics (lens/prism/traversal) with code generation for records and sealed types, and Spring Boot integration.

Some examples for Λrrow Meta the functional companion to Kotlin's Compiler & IDE.

Fωμ type checker and compiler

A functional programming language with lisp syntax and ML semantics that runs on the BEAM

A proc macro for real async traits, using nightly-only existential types and generic associated types to work around the need for type erasure

Higher abstraction infrastructures in F#(ad-hoc polymorphism, subtypeclassing, monad, hkt...), exactly what we've dreamed about for so long

Experiments with higher-kinded types and object algebras in C#

Over-Complicated Database Query using higher-kinded data

Effectful OCaml with Objects and Variants

Zero-dependency, purely functional library for effectful programming in Typescript

Extract or modify pieces of arbitrarily nested types with type lenses