A maybe monad

👻 Type safe Option and Result type – for TypeScript and JavaScript

:computer: A better CLI framework, made for the ES2015 era

AkShare is a utility for crawling data of financial market!

Ruby port of some Scala's monads

A simple C++ header only command line argument parser

🤓 Tifi solves a problem of the existence of both `undefined` and `null`. Inspired by the OCaml/Reason utilities for various data types.

Functional data structures for TypeScript and JavaScript.

Some Scala useful classes ported to PHP.

🦋 Scala monads for javascript

50ETF期权隐含波动率曲面

No more null check with an dart equivalent of Maybe (Haskel, Elm) / Option (F#).

Utilities for composable approach to handle null and undefined

Node.js parse argument options make ease.

A Ruby implementation of the Maybe type

Get and set options easily, for node.js projects.

Jdmbs: An R Package for Monte Carlo Option Pricing Algorithm for Jump Diffusion Models with Correlational Companies

A small typed and safe library for error handling with functionnal programming concept in Dart and flutter project

Command line arguments/options parser to use in Phalcon applications.

Functional Data Validation in Scala using the Cats library

Functional helpers including `Async` and `Result` to help enable things like "railway-oriented" programming. Heavily inspired by F#

Safe Option-Critic: Learning Safety in the Option-Critic Architecture

Optional for Kotlin

基于Event-driven的量化交易解决方案

:iphone: React Native cross-plateform (iOS / Android) modal picker/selector highly customizable.

Adds an `option` method to base-methods.

brings Option in Rust to Javascript

Library for working with Options in a type safe manner.