| 12345678910111213141516171819202122232425262728293031323334353637383940414243 | // Forward declaration of the circular buffer and its adaptor.// Copyright (c) 2003-2008 Jan Gaspar// Use, modification, and distribution is subject to the Boost Software// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at// http://www.boost.org/LICENSE_1_0.txt)//  See www.boost.org/libs/circular_buffer for documentation.#if !defined(BOOST_CIRCULAR_BUFFER_FWD_HPP)#define BOOST_CIRCULAR_BUFFER_FWD_HPP#if defined(_MSC_VER)    #pragma once#endif#include <boost/config.hpp>#if !defined(BOOST_NO_STD_ALLOCATOR)    #include <memory>#else    #include <vector>#endifnamespace boost {#if !defined(BOOST_NO_STD_ALLOCATOR)    #define BOOST_CB_DEFAULT_ALLOCATOR(T) std::allocator<T>#else    #define BOOST_CB_DEFAULT_ALLOCATOR(T) BOOST_DEDUCED_TYPENAME std::vector<T>::allocator_type#endiftemplate <class T, class Alloc = BOOST_CB_DEFAULT_ALLOCATOR(T)>class circular_buffer;template <class T, class Alloc = BOOST_CB_DEFAULT_ALLOCATOR(T)>class circular_buffer_space_optimized;#undef BOOST_CB_DEFAULT_ALLOCATOR} // namespace boost#endif // #if !defined(BOOST_CIRCULAR_BUFFER_FWD_HPP)
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