| #ifndef BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP |
| #define BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP |
| |
| // MS compatible compilers support #pragma once |
| #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
| # 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> |
| |
| #if !defined(__BORLANDC__) || __BORLANDC__ >= 0x590 |
| #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(){}; \ |
| 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; } \ |
| }; |
| #else |
| #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(){}; \ |
| 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 // !defined(__BORLANDC) || __BORLANDC__ >= 0x590 |
| |
| #endif // BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP |