| 1 | // Boost.Units - A C++ library for zero-overhead dimensional analysis and |
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| 2 | // unit/quantity manipulation and conversion |
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| 3 | // |
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| 4 | // Copyright (C) 2003-2008 Matthias Christian Schabel |
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| 5 | // Copyright (C) 2007-2008 Steven Watanabe |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. (See |
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| 8 | // accompanying file LICENSE_1_0.txt or copy at |
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| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 10 | |
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| 11 | #ifndef BOOST_UNITS_REDUCE_UNIT_HPP_INCLUDED |
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| 12 | #define BOOST_UNITS_REDUCE_UNIT_HPP_INCLUDED |
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| 13 | |
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| 14 | /// \file |
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| 15 | /// \brief Returns a unique type for every unit. |
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| 16 | |
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| 17 | namespace boost { |
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| 18 | namespace units { |
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| 19 | |
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| 20 | #ifdef BOOST_UNITS_DOXYGEN |
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| 21 | |
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| 22 | /// Returns a unique type for every unit. |
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| 23 | template<class Unit> |
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| 24 | struct reduce_unit { |
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| 25 | typedef detail::unspecified type; |
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| 26 | }; |
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| 27 | |
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| 28 | #else |
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| 29 | |
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| 30 | // default implementation: return Unit unchanged. |
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| 31 | template<class Unit> |
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| 32 | struct reduce_unit { |
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| 33 | typedef Unit type; |
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| 34 | }; |
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| 35 | |
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| 36 | #endif |
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| 37 | |
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| 38 | } |
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| 39 | } |
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| 40 | |
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| 41 | #endif |
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| 42 | |
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