Parser | /src/matches.ts | ts_matches@v5.2.1

Being able to pattern match in typescript

method Parser.prototype.map

Re-export

import { Parser } from "https://deno.land/x/ts_matches@v5.2.1/src/matches.ts";

map<C>(fn: (apply: B) => C, mappingName?: string): Parser<A, C>

Use this that we want to do transformations after the value is valid and parsed. A use case would be parsing a string, making sure it can be parsed to a number, and then convert to a number

Type Parameters

Parameters

fn: (apply: B) => C

optional

mappingName: string

Returns

Parser<A, C>