Mercurial > projects > dynamin
view dynamin/core/array.d @ 102:604d20cac836
Add dynamin.core.array and put contains() there.
author | Jordan Miner <jminer7@gmail.com> |
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date | Tue, 15 May 2012 21:14:48 -0500 |
parents | |
children | 73060bc3f004 |
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// Written in the D programming language // www.digitalmars.com/d/ /* * The contents of this file are subject to the Mozilla Public License Version * 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Dynamin library. * * The Initial Developer of the Original Code is Jordan Miner. * Portions created by the Initial Developer are Copyright (C) 2006-2012 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Jordan Miner <jminer7@gmail.com> * */ module dynamin.core.array; /** * Tests whether or not the specified item is in the specified array. * Returns: true if the specified item is in the array and false otherwise * Examples: * ----- * "Hello".contains('e') == true * "Hello".contains('a') == false * "".contains('e') == false * assert([2, 3, 7].contains(3) == true); * assert([2, 3, 7].contains(0) == false); * ----- */ bool contains(T, U)(T[] arr, U item) { foreach(U item2; arr) { if(item == item2) return true; } return false; } unittest { assert("Hello".contains('e') == true); assert("Hello".contains('a') == false); assert("".contains('e') == false); assert([2, 3, 7].contains(3) == true); assert([2, 3, 7].contains(0) == false); }