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Diffstat (limited to 'src/third_party/boost-1.60.0/boost/serialization/strong_typedef.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/serialization/strong_typedef.hpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/serialization/strong_typedef.hpp b/src/third_party/boost-1.60.0/boost/serialization/strong_typedef.hpp new file mode 100644 index 00000000000..c1bf1844bf7 --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/serialization/strong_typedef.hpp @@ -0,0 +1,46 @@ +#ifndef BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP +#define BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP + +// MS compatible compilers support #pragma once +#if defined(_MSC_VER) +# pragma once +#endif + +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// strong_typedef.hpp: + +// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . +// 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) + +// See http://www.boost.org/libs/serialization for updates, documentation, and revision history. + +// macro used to implement a strong typedef. strong typedef +// guarentees that two types are distinguised even though the +// share the same underlying implementation. typedef does not create +// a new type. BOOST_STRONG_TYPEDEF(T, D) creates a new type named D +// that operates as a type T. + +#include <boost/config.hpp> +#include <boost/operators.hpp> + +#define BOOST_STRONG_TYPEDEF(T, D) \ +struct D \ + : boost::totally_ordered1< D \ + , boost::totally_ordered2< D, T \ + > > \ +{ \ + T t; \ + explicit D(const T t_) : t(t_) {}; \ + D(): t() {}; \ + D(const D & t_) : t(t_.t){} \ + D & operator=(const D & rhs) { t = rhs.t; return *this;} \ + D & operator=(const T & rhs) { t = rhs; return *this;} \ + operator const T & () const {return t; } \ + operator T & () { return t; } \ + bool operator==(const D & rhs) const { return t == rhs.t; } \ + bool operator<(const D & rhs) const { return t < rhs.t; } \ +}; + +#endif // BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP |