diff options
Diffstat (limited to '3rdParty/Boost/src/boost/serialization/state_saver.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/serialization/state_saver.hpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/3rdParty/Boost/src/boost/serialization/state_saver.hpp b/3rdParty/Boost/src/boost/serialization/state_saver.hpp index 69cbe3e..6e6f985 100644 --- a/3rdParty/Boost/src/boost/serialization/state_saver.hpp +++ b/3rdParty/Boost/src/boost/serialization/state_saver.hpp @@ -1,40 +1,40 @@ #ifndef BOOST_SERIALIZATION_STATE_SAVER_HPP #define BOOST_SERIALIZATION_STATE_SAVER_HPP // MS compatible compilers support #pragma once -#if defined(_MSC_VER) && (_MSC_VER >= 1020) +#if defined(_MSC_VER) # pragma once #endif /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 // state_saver.hpp: // (C) Copyright 2003-4 Pavel Vozenilek and 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. // Inspired by Daryle Walker's iostate_saver concept. This saves the original // value of a variable when a state_saver is constructed and restores // upon destruction. Useful for being sure that state is restored to // variables upon exit from scope. #include <boost/config.hpp> #ifndef BOOST_NO_EXCEPTIONS #include <exception> #endif #include <boost/call_traits.hpp> #include <boost/noncopyable.hpp> #include <boost/type_traits/has_nothrow_copy.hpp> #include <boost/detail/no_exceptions_support.hpp> #include <boost/mpl/eval_if.hpp> #include <boost/mpl/identity.hpp> namespace boost { namespace serialization { @@ -45,52 +45,52 @@ template<class T> // - operator = (no-throw one preferred) class state_saver : private boost::noncopyable { private: const T previous_value; T & previous_ref; struct restore { static void invoke(T & previous_ref, const T & previous_value){ previous_ref = previous_value; // won't throw } }; struct restore_with_exception { static void invoke(T & previous_ref, const T & previous_value){ BOOST_TRY{ previous_ref = previous_value; } BOOST_CATCH(::std::exception &) { // we must ignore it - we are in destructor } BOOST_CATCH_END } }; public: state_saver( T & object ) : previous_value(object), previous_ref(object) {} ~state_saver() { #ifndef BOOST_NO_EXCEPTIONS - typedef BOOST_DEDUCED_TYPENAME mpl::eval_if< + typedef typename mpl::eval_if< has_nothrow_copy< T >, mpl::identity<restore>, mpl::identity<restore_with_exception> >::type typex; typex::invoke(previous_ref, previous_value); #else previous_ref = previous_value; #endif } }; // state_saver<> } // serialization } // boost #endif //BOOST_SERIALIZATION_STATE_SAVER_HPP |