parjs/internal/combinators/maybe.d.ts

A parser-combinator library for JavaScript.

/**
 * @module parjs/combinators
 */
/** */
import { ParjsCombinator } from "../../index";
/**
 * Applies the source parser. If it fails softly, succeeds and yields `val`.
 * @param val
 */
export declare function maybe<T, S = undefined>(val?: S): ParjsCombinator<T, T | S>;