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

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

@fastify/funky

Support for fastify routes returning functional structures, such as fp-ts Either, Task, TaskEither or plain javascript parameterless functions

v4.0.1 URL: https://unpkg.com/@fastify/funky@4.0.1/index.js

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fastify plugin typescript algebraic-data-types functional-programming functional fp-ts either task

@cprussin/option-result

Yet another Typescript clone of the rust `Option` & `Result` enums.

v1.3.1 URL: https://unpkg.com/@cprussin/option-result@1.3.1/cjs/index.js

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option result maybe either rust error exception

ts-utls

Utilities for TypeScript library

v1.5.26 URL: https://unpkg.com/ts-utls@1.5.26/dist/lib/src/typescript/index.js

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typescript utils string array number bits flatten either maybe monad shuffle groupBy hashCode euclidean division sleep xor