/////////////////////////////////////////////////////////////////////////////// | |
// foreach.hpp header file | |
// | |
// Copyright 2010 Eric Niebler. | |
// 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) | |
// See http://www.boost.org/libs/foreach for documentation | |
// | |
// Credits: | |
// Kazutoshi Satoda: for suggesting the need for a _fwd header for foreach's | |
// customization points. | |
#ifndef BOOST_FOREACH_FWD_HPP | |
#define BOOST_FOREACH_FWD_HPP | |
// This must be at global scope, hence the uglified name | |
enum boost_foreach_argument_dependent_lookup_hack | |
{ | |
boost_foreach_argument_dependent_lookup_hack_value | |
}; | |
namespace boost | |
{ | |
namespace foreach | |
{ | |
/////////////////////////////////////////////////////////////////////////////// | |
// boost::foreach::tag | |
// | |
typedef boost_foreach_argument_dependent_lookup_hack tag; | |
/////////////////////////////////////////////////////////////////////////////// | |
// boost::foreach::is_lightweight_proxy | |
// Specialize this for user-defined collection types if they are inexpensive to copy. | |
// This tells BOOST_FOREACH it can avoid the rvalue/lvalue detection stuff. | |
template<typename T> | |
struct is_lightweight_proxy; | |
/////////////////////////////////////////////////////////////////////////////// | |
// boost::foreach::is_noncopyable | |
// Specialize this for user-defined collection types if they cannot be copied. | |
// This also tells BOOST_FOREACH to avoid the rvalue/lvalue detection stuff. | |
template<typename T> | |
struct is_noncopyable; | |
} // namespace foreach | |
} // namespace boost | |
#endif |