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>`.
nochoices
Full featured implementation of options into typescript.
nevernullable
Option<T>, Some<T>, None types and runtime functions to safely write JS/TS code without using null and undefined
ngx-nullable
This library provides a way to make properties nullable in Angular templates.
