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

mondjs

🐛 Monadic Error Handling for JavaScript/TypeScript.

v1.1.0 URL: https://unpkg.com/mondjs@1.1.0/dist/index.js

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error-handling monadic typescript javascript functional-programming result exception robust error-management result-type errors

@patina/core

Type-safe nothing-handling and error-handling library

v3.0.0 URL: https://unpkg.com/@patina/core@3.0.0/lib/index.cjs

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typescript error-handling option-type result-type

resultx

Minimalist, strongly-typed result pattern for TypeScript

v2.0.2 URL: https://unpkg.com/resultx@2.0.2/index.js

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result result-type rust try-catch

@mobily/ts-belt

🔧 Fast, modern, and practical utility library for FP in TypeScript.

v3.13.1 URL: https://unpkg.com/@mobily/ts-belt@3.13.1/dist/cjs/index.js

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typescript flow functional-programming functional programming fp monad option option-type result result-type array utility utils