option-t/esm/deprecated/plain_option/to_nullable.js

A toolkit of Nullable/Option/Result type implementation in ECMAScript. Their APIs are inspired by Rust's `Option<T>` and `Result<T, E>`.

import { mapOrForOption } from './map_or.js';
/**
 *  Return `T` if _input_ is `Some(T)`.
 *  Otherwise, return `null`.
 */
export function toNullableFromOption(input) {
    const rv = mapOrForOption(input, null, (inner) => {
        return inner;
    });
    return rv;
}