1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and
2 // unit/quantity manipulation and conversion
4 // Copyright (C) 2003-2008 Matthias Christian Schabel
5 // Copyright (C) 2008 Steven Watanabe
7 // Distributed under the Boost Software License, Version 1.0. (See
8 // accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
11 #ifndef BOOST_UNITS_IS_DIMENSION_LIST_HPP
12 #define BOOST_UNITS_IS_DIMENSION_LIST_HPP
16 /// \brief Check that a type is a valid dimension list.
19 #include <boost/mpl/bool.hpp>
21 #include <boost/units/units_fwd.hpp>
27 /// Check that a type is a valid dimension list.
28 template<typename Seq>
29 struct is_dimension_list :
33 template<typename Item, typename Next>
34 struct is_dimension_list<list<Item, Next> > :
39 struct is_dimension_list<dimensionless_type> :
47 #endif // BOOST_UNITS_IS_DIMENSION_LIST_HPP