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more defensive checking for trivial types -- avoiding bugs

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This commit is contained in:
Andrzej Krzemienski
2017-10-31 02:47:13 +01:00
parent 58f7c2f14a
commit a7f33f5d6f
3 changed files with 50 additions and 16 deletions
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29
include/boost/optional/detail/optional_config.hpp
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@ -1,5 +1,5 @@
// Copyright (C) 2003, 2008 Fernando Luis Cacciola Carballal.
// Copyright (C) 2015 Andrzej Krzemienski.
// Copyright (C) 2015 - 2017 Andrzej Krzemienski.
//
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
@ -15,6 +15,7 @@
#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/type_traits/intrinsics.hpp>
#if (defined BOOST_NO_CXX11_RVALUE_REFERENCES) || (defined BOOST_OPTIONAL_CONFIG_NO_RVALUE_REFERENCES)
# define BOOST_OPTIONAL_DETAIL_NO_RVALUE_REFERENCES
@ -124,4 +125,30 @@
# define BOOST_OPTIONAL_DETAIL_NO_DEFAULTED_FUNCTIONS
#endif
// The condition to use POD implementation
#ifdef BOOST_OPTIONAL_CONFIG_NO_POD_SPEC
# define BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
#elif defined BOOST_OPTIONAL_CONFIG_NO_SPEC_FOR_TRIVIAL_TYPES
# define BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
#elif !defined BOOST_HAS_TRIVIAL_CONSTRUCTOR
# define BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
#elif !defined BOOST_HAS_TRIVIAL_MOVE_ASSIGN
# define BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
#elif !defined BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR
# define BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
#elif !defined BOOST_HAS_TRIVIAL_COPY
# define BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
#elif !defined BOOST_HAS_TRIVIAL_ASSIGN
# define BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
#elif !defined BOOST_HAS_TRIVIAL_DESTRUCTOR
# define BOOST_OPTIONAL_DETAIL_NO_SPEC_FOR_TRIVIAL_TYPES
#endif
#ifdef BOOST_OPTIONAL_CONFIG_NO_POD_SPEC
# define BOOST_OPTIONAL_DETAIL_NO_POD_SPEC
#endif
#endif // header guard