Make your functions return something meaningful, typed, and safe!

NOT MAINTAINED - A simple Rust like Result type for Python 3. Fully type annotated.

Functional programming for Python

An opinionated F# Library for error handling

A framework for pluggable business logic components

🚊 Railway-oriented library to easily model and handle success/failure for Kotlin Multiplatform.

Monacs - Collection of basic monads and functional extensions for C#

Unleash a pragmatic and observable use of Result Pattern and Railway-Oriented Programming in Ruby.

Railway Oriented Programming in C#

A library for making domain operations in Elixir

.NET functional programming and other utilities

A wrapper over `dry-monads` to solve its flaws and offer a safe way to implement the Railway pattern.

Minimal Railway Oriented Programming for Go

Result, Either, Try, and Maybe monadic types for Java

A Result type for the Java programming language.

Structures for durable programming patterns in C#.

Data structures, validation, coercion and processing toolkit for Ruby

Functional programming utilities and Roslyn components for writing expressive C#

Funicular-Switch is a lightweight C# port of F#'s result and option types to support 'railway oriented' programming patterns. Focus on the happy path, without loosing error information.

Railway oriented programming in Ember