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>`.
11 lines (10 loc) • 477 B
TypeScript
import { type Result } from '../../plain_result/result.js';
import type { Option } from './option.js';
/**
* Transforms the `Option<T>` into a `Result<T, E>`,
* mapping `Some(v)` to `Ok(v)` and None to Err(err).
*
* Arguments passed to this are eagerly evaluated;
* if you are passing the result of a function call, it is recommended to use okOrElse, which is lazily evaluated.
*/
export declare function okOrForPlainOption<T, E>(input: Option<T>, err: E): Result<T, E>;