/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; /** * Test whether a string contains only numeric digits. * * @module @stdlib/assert/is-digit-string * * @example * var isDigitString = require( '@stdlib/assert/is-digit-string' ); * * var out = isDigitString( '0123456789' ); * // returns true * * out = isDigitString( '0xffffff' ); * // returns false * * out = isDigitString( '' ); * // returns false */ // MODULES // var isDigitString = require( './main.js' ); // EXPORTS // module.exports = isDigitString;