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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>`.

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import type { RecoveryFromErrorFn } from '../internal/function.js'; import { type Result } from './result.js'; export type ResultTryRecoveryFromErrorFn<in E, out T, out F> = RecoveryFromErrorFn<E, Result<T, F>>; /** * Calls _recoverer_ and return its returned value if _input_ is `Err(E)`, * otherwise returns _input_ as `Ok(T)`. * This function can be used for control flow based on result values. */ export declare function orElseForResult<T, E, F>(input: Result<T, E>, recoverer: ResultTryRecoveryFromErrorFn<E, T, F>): Result<T, F>;