| // Boost.Range library |
| // |
| // Copyright Neil Groves 2009. 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) |
| // |
| // For more information, see http://www.boost.org/libs/range/ |
| // |
| #ifndef BOOST_RANGE_ALGORITHM_EXT_PUSH_FRONT_HPP_INCLUDED |
| #define BOOST_RANGE_ALGORITHM_EXT_PUSH_FRONT_HPP_INCLUDED |
| |
| #include <boost/range/config.hpp> |
| #include <boost/range/concepts.hpp> |
| #include <boost/range/difference_type.hpp> |
| #include <boost/range/begin.hpp> |
| #include <boost/range/end.hpp> |
| #include <boost/assert.hpp> |
| |
| namespace boost |
| { |
| namespace range |
| { |
| |
| template< class Container, class Range > |
| inline Container& push_front( Container& on, const Range& from ) |
| { |
| BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<Container> )); |
| BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const Range> )); |
| BOOST_ASSERT( (void*)&on != (void*)&from && |
| "cannot copy from a container to itself" ); |
| on.insert( on.begin(), boost::begin(from), boost::end(from) ); |
| return on; |
| } |
| |
| } // namespace range |
| using range::push_front; |
| } // namespace boost |
| |
| #endif // include guard |