Parser | /src/parsers/index.ts | ts_matches@v5.2.1 | Deno

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x/ts_matches/src/parsers/index.ts>Parser#errorMessage

Being able to pattern match in typescript

Blu-J/ts-matches

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index.ts (default module)

array-of-parser.ts

array-parser.ts

concat-parser.ts

default-parser.ts

deferred-parser.ts

dictionary-parser.ts

DictionaryParser

DictionaryShaped

DictionaryTuple

every-parser.ts

function-parser.ts

guard-parser.ts

ISimpleParsedError

literal-parser.ts

mapped-parser.ts

maybe-parser.ts

number-parser.ts

object-parser.ts

recursive-parser.ts

RecursiveParser

shape-parser.ts

simple-parsers.ts

string-parser.ts

tuple-parser.ts

TupleParserInto

unknown-parser.ts

method Parser.prototype.errorMessage

Re-export

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

errorMessage(input: A): void | string

When we want to get the error message from the input, to know what is wrong

Parameters

input: A

Returns

void | string

Null if there is no error