true-myth

A library for safe functional programming in JavaScript, with first-class support for TypeScript

v8.0.1 URL: https://unpkg.com/true-myth@8.0.1/dist/es/index.js

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typescript functional programming maybe result

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>`.

v50.0.0 URL: https://unpkg.com/option-t@50.0.0/index.js

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either maybe maybe-type nullable option option-type result result-type

ts-opt

Typed Option/Optional/Maybe for TypeScript and JavaScript, created to simplify code involving optional values (null, undefined, NaN).

v6.0.2 URL: https://unpkg.com/ts-opt@6.0.2/dist/Opt.js

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option maybe optional fp functional programming typescript undefined null

monads-io

🚀 Efficient Monads for JS: Maybe (Option) and Either (Result), Identity

v4.0.2 URL: https://unpkg.com/monads-io@4.0.2/index.js

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monads either maybe option result front-end backend

@visisoft/staticland

StaticLand functions for Algebraic Data Types based on native JavaScript types

v2.1.4 URL: https://unpkg.com/@visisoft/staticland@2.1.4/dist/cjs/staticland.js

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Maybe Promise StaticLand Lens Algebraic Functional Type