/** * @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 if a value is an even number. * * @module @stdlib/assert/is-even * * @example * var isEven = require( '@stdlib/assert/is-even' ); * * var bool = isEven( 4.0 ); * // returns true * * bool = isEven( new Number( 4.0 ) ); * // returns true * * bool = isEven( 3.0 ); * // returns false * * bool = isEven( new Number( 5.0 ) ); * // returns false * * bool = isEven( -3.14 ); * // returns false * * bool = isEven( null ); * // returns false * * @example * // Use interface to check for even number primitives... * var isEven = require( '@stdlib/assert/is-even' ).isPrimitive; * * var bool = isEven( -4.0 ); * // returns true * * bool = isEven( new Number( -4.0 ) ); * // returns false * * @example * // Use interface to check for even number objects... * var isEven = require( '@stdlib/assert/is-even' ).isObject; * * var bool = isEven( 4.0 ); * // returns false * * bool = isEven( new Number( 4.0 ) ); * // returns true */ // MODULES // var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); var isEven = require( './main.js' ); var isPrimitive = require( './primitive.js' ); var isObject = require( './object.js' ); // MAIN // setReadOnly( isEven, 'isPrimitive', isPrimitive ); setReadOnly( isEven, 'isObject', isObject ); // EXPORTS // module.exports = isEven;