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>`.

v54.2.2 URL: https://unpkg.com/option-t@54.2.2/esm/index.js

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

@softwareventures/nullable

Pure functional utilities for nullable types

v3.2.0 URL: https://unpkg.com/@softwareventures/nullable@3.2.0/index.js

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TypeScript functional lambda nullable option

nochoices

Full featured implementation of options into typescript.

v1.1.5 URL: https://unpkg.com/nochoices@1.1.5/dist/mod/index.js

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option optional maybe some none nullable

maybetyped

Well-typed functional Maybe monad

v1.6.0 URL: https://unpkg.com/maybetyped@1.6.0/dist/index.js

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typescript types optional maybe monad nullable

as-option

Zero cost Option type for AssemblyScript

v0.0.2 URL: https://unpkg.com/as-option@0.0.2/assembly/index.ts

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assemblyscript option optional nullable abstraction