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option-t

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

option-t/option-t

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import type { Option } from './option.js'; /** * Return _b_ if _a_ is `Some(T)`. * Otherwise, return _a_. */ export declare function andForOption<T, U>(a: Option<T>, b: Option<U>): Option<U>;