option-t

A toolkit of Nullable/Option/Result type implementation in ECMAScript. Their APIs are inspired by Rust's `Option<T>` and `Result<T, E>`.

funfix-core

Sub-package of Funfix exposing primitive interfaces and data types belonging into a standard library

funfix-exec

Sub-package of Funfix defining type classes inspired by Haskell's standard library and by Typelevel Cats

@daisugi/anzen

Anzen helps write safe code without exceptions, taking roots from Rust's Result and Haskell's Either.