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62 lines
1.4 KiB
62 lines
1.4 KiB
6 years ago
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//
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// Copyright (c) 2009 Rutger ter Borg
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_NUMERIC_BINDINGS_NOOP_HPP
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#define BOOST_NUMERIC_BINDINGS_NOOP_HPP
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#include <boost/numeric/bindings/detail/adaptable_type.hpp>
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#include <boost/numeric/bindings/detail/basic_unwrapper.hpp>
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#include <boost/ref.hpp>
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namespace boost {
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namespace numeric {
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namespace bindings {
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namespace detail {
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template< typename T >
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struct noop_wrapper:
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adaptable_type< noop_wrapper<T> >,
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reference_wrapper<T> {
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noop_wrapper( T& t ): reference_wrapper<T>( t ) {}
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};
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template< typename T, typename Id, typename Enable >
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struct adaptor< noop_wrapper<T>, Id, Enable >:
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basic_unwrapper< T, Id > {
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typedef typename property_map_of< T >::type property_map;
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};
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} // namespace detail
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namespace result_of {
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template< typename T >
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struct noop {
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typedef detail::noop_wrapper<T> type;
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};
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} // namespace result_of
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template< typename T >
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detail::noop_wrapper<T> const noop( T& underlying ) {
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return detail::noop_wrapper<T>( underlying );
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}
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template< typename T >
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detail::noop_wrapper<const T> const noop( const T& underlying ) {
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return detail::noop_wrapper<const T>( underlying );
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}
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} // namespace bindings
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} // namespace numeric
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} // namespace boost
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#endif
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