1 // Boost noncopyable.hpp header file --------------------------------------//
3 // (C) Copyright Beman Dawes 1999-2003. Distributed under the Boost
4 // Software License, Version 1.0. (See accompanying file
5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 // See http://www.boost.org/libs/utility for documentation.
9 #ifndef BOOST_NONCOPYABLE_HPP_INCLUDED
10 #define BOOST_NONCOPYABLE_HPP_INCLUDED
12 #include <boost/config.hpp>
16 // Private copy constructor and copy assignment ensure classes derived from
17 // class noncopyable cannot be copied.
19 // Contributed by Dave Abrahams
21 namespace noncopyable_ // protection from unintended ADL
26 #ifndef BOOST_NO_DEFAULTED_FUNCTIONS
27 BOOST_CONSTEXPR noncopyable() = default;
28 ~noncopyable() = default;
33 #ifndef BOOST_NO_DELETED_FUNCTIONS
34 noncopyable( const noncopyable& ) = delete;
35 noncopyable& operator=( const noncopyable& ) = delete;
37 private: // emphasize the following members are private
38 noncopyable( const noncopyable& );
39 noncopyable& operator=( const noncopyable& );
44 typedef noncopyable_::noncopyable noncopyable;
48 #endif // BOOST_NONCOPYABLE_HPP_INCLUDED