/* Drizzle
 * Copyright (C) 2011 Olaf van der Spek
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

template <class T, class U>
typename T::value_type::second_type* find_ptr(T& c, U v)
{
	typename T::iterator i = c.find(v);
	return i == c.end() ? NULL : &i->second;
}

template <class T, class U>
const typename T::value_type::second_type* find_ptr(const T& c, U v)
{
	typename T::const_iterator i = c.find(v);
	return i == c.end() ? NULL : &i->second;
}

template <class T, class U>
typename T::value_type::second_type find_ptr2(T& c, U v)
{
	typename T::value_type::second_type* i = find_ptr(c, v);
	return i ? *i : typename T::value_type::second_type();
}

template <class T, class U>
const typename T::value_type::second_type find_ptr2(const T& c, U v)
{
	const typename T::value_type::second_type* i = find_ptr(c, v);
	return i ? *i : typename T::value_type::second_type();
}
