love2d.love/src/common/Memoizer.cpp

/**
 * Copyright (c) 2006-2016 LOVE Development Team
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 **/
 
#include "Memoizer.h"
#include <cstddef>

namespace love
{

std::map<void *, void *> Memoizer::objectMap;

void Memoizer::add(void *key, void *val)
{
	objectMap[key] = val;
}

void Memoizer::remove(void *key)
{
	objectMap.erase(key);
}

void *Memoizer::find(void *key)
{
	auto it = objectMap.find(key);

	if (it != objectMap.end())
		return it->second;
	else
		return nullptr;
}

} // love