aboutsummaryrefslogblamecommitdiff
path: root/src/mnemonics/singleton.h
blob: 5a86c2e7c59f69f1d2bdd7a454092dafad9a0550 (plain) (tree)



























                                                                                           









                                                      

                   







                                                                                        













                                                          
// Copyright (c) 2014, The Monero Project
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
//    prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

/*!
 * \file singleton.h
 * 
 * \brief A singleton helper class based on template.
 */

/*!
 * \namespace Language
 * \brief Mnemonic language related namespace.
 */
namespace Language
{
	/*!
	 * \class Singleton
	 * 
	 * \brief Single helper class.
	 * 
	 * Do Language::Singleton<YourClass>::instance() to create a singleton instance
 	 * of `YourClass`.
	 */
	template <class T>
	class Singleton
	{
		Singleton() {}
		Singleton(Singleton &s) {}
		Singleton& operator=(const Singleton&) {}
	public:
		static T* instance()
		{
			static T* obj = new T;
			return obj;
		}
	};
}