Edit: /usr/include/boost/units/get_system.hpp (1165B)
// Boost.Units - A C++ library for zero-overhead dimensional analysis and
// unit/quantity manipulation and conversion
//
// Copyright (C) 2003-2008 Matthias Christian Schabel
// Copyright (C) 2008 Steven Watanabe
//
// 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)
#ifndef BOOST_UNITS_GET_SYSTEM_HPP
#define BOOST_UNITS_GET_SYSTEM_HPP
/// \file
/// \brief Get the system of a unit, absolute unit or quantity.
#include
namespace boost {
namespace units {
template
struct get_system {};
/// Get the system of a unit.
template
struct get_system< unit >
{
typedef System type;
};
/// Get the system of an absolute unit.
template
struct get_system< absolute >
{
typedef typename get_system::type type;
};
/// Get the system of a quantity.
template
struct get_system< quantity >
{
typedef typename get_system::type type;
};
} // namespace units
} // namespace boost
#endif // BOOST_UNITS_GET_SYSTEM_HPP