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

List of papers studying machine learning through the lens of category theory

Funktional generic type-level programming in Rust: HList, Coproduct, Generic, LabelledGeneric, Validated, Monoid and friends.

Functional optics: a (partial) porting of Scala monocle

Extensions for F#

Functional patterns for Java

Modify deeply nested case class fields

Program user interfaces the FRP way.

LensVM is a WASM based data transformation engine utilizing bi-direction lenses

Generically derive traversals, lenses, and prisms.

Don't Fear the Profunctor Optics!

Fastest tool to access data in Elixir

A python lens library for manipulating deeply nested immutable structures

React Hook for state management with profunctor lenses

A lightweight (but compatible with ‘lens’) lenses library

Lightweight Elixir lenses

How does it all fit together?

Yet another Scala lens macro

Functional abstractions to manipulate complex records in Elm - Iso, Prism, Lens, Optional, Traversal.

Documentation and samples of Snap's Camera Kit SDK. For the high-level documentation of Camera Kit, please visit: https://docs.snap.com/snap-kit/camera-kit/home

Text lenses using PCRE regexes

pure functional and generic programming for Erlang

Polynomial optics to Arnold. Camera shader with high-order aberrations, including bidirectional filter that adaptively samples out-of-focus highlights (top level repo)

The TypeScript Standard Library

Glasses detection, classification and segmentation

Functional references for Clojure and ClojureScript

OCaml library for TOML

A Racket package for creating and composing pure functional lenses

A presentation for BayHac 2017 on how I uses lenses at work

👓 Profunctor based lightweight implementation of Lenses