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Diffstat (limited to 'boost/utility/empty_deleter.hpp')
| -rw-r--r-- | boost/utility/empty_deleter.hpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/boost/utility/empty_deleter.hpp b/boost/utility/empty_deleter.hpp new file mode 100644 index 0000000000..91bc47b816 --- /dev/null +++ b/boost/utility/empty_deleter.hpp @@ -0,0 +1,43 @@ +/* + * Copyright Andrey Semashev 2007 - 2013. + * Distributed under 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) + */ + +/*! + * \file empty_deleter.hpp + * \author Andrey Semashev + * \date 22.04.2007 + * + * This header contains an \c empty_deleter implementation. This is an empty + * function object that receives a pointer and does nothing with it. + * Such empty deletion strategy may be convenient, for example, when + * constructing <tt>shared_ptr</tt>s that point to some object that should not be + * deleted (i.e. a variable on the stack or some global singleton, like <tt>std::cout</tt>). + */ + +#ifndef BOOST_UTILITY_EMPTY_DELETER_HPP +#define BOOST_UTILITY_EMPTY_DELETER_HPP + +#include <boost/config.hpp> +#include <boost/core/null_deleter.hpp> + +#ifdef BOOST_HAS_PRAGMA_ONCE +#pragma once +#endif + +#if defined(__GNUC__) +#pragma message "This header is deprecated, use boost/core/null_deleter.hpp instead." +#elif defined(_MSC_VER) +#pragma message("This header is deprecated, use boost/core/null_deleter.hpp instead.") +#endif + +namespace boost { + +//! A deprecated name for \c null_deleter +typedef null_deleter empty_deleter; + +} // namespace boost + +#endif // BOOST_UTILITY_EMPTY_DELETER_HPP |