00001 /* Drizzle 00002 * Copyright (C) 2011 Olaf van der Spek 00003 * 00004 * This program is free software: you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation, either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program. If not, see <http://www.gnu.org/licenses/>. 00016 */ 00017 00018 #pragma once 00019 00020 template <class T, class U> 00021 typename T::mapped_type* find_ptr(T& c, U v) 00022 { 00023 typename T::iterator i = c.find(v); 00024 return i == c.end() ? NULL : &i->second; 00025 } 00026 00027 template <class T, class U> 00028 const typename T::mapped_type* find_ptr(const T& c, U v) 00029 { 00030 typename T::const_iterator i = c.find(v); 00031 return i == c.end() ? NULL : &i->second; 00032 }