option-t
Version:
A toolkit of Nullable/Option/Result type implementation in ECMAScript. Their APIs are inspired by Rust's `Option<T>` and `Result<T, E>`.
9 lines (8 loc) • 419 B
TypeScript
import type { RecoveryFn } from '../../internal/function.js';
import type { Nullable } from '../core/nullable.js';
export type NullableTryRecoveryFn<out T> = RecoveryFn<Nullable<T>>;
/**
* Return _input_ as `T` if the passed _input_ is not `null`.
* Otherwise, return the result of _recoverer_.
*/
export declare function orElseForNullable<T>(input: Nullable<T>, recoverer: NullableTryRecoveryFn<T>): Nullable<T>;