30 #ifndef CEREAL_TYPES_BOOST_VARIANT_HPP_ 31 #define CEREAL_TYPES_BOOST_VARIANT_HPP_ 34 #if defined(_MSC_VER) && _MSC_VER < 1911 35 #define CEREAL_CONSTEXPR_LAMBDA 36 #else // MSVC 2017 or newer, all other compilers 37 #define CEREAL_CONSTEXPR_LAMBDA constexpr 41 #include <boost/variant/variant_fwd.hpp> 42 #include <boost/variant/static_visitor.hpp> 46 namespace boost_variant_detail
49 template <
class Archive>
55 void operator()(T
const & value)
const 64 template <
class Archive,
class T>
67 using ST =
typename std::aligned_storage<sizeof(T), CEREAL_ALIGNOF(T)>::type;
98 template <
class Variant,
class Archive>
99 static void load_variant( Archive &, Variant & )
108 template <
class Archive,
class Variant>
109 static void load_variant_impl( Archive & ar, Variant & variant, std::true_type )
113 variant = std::move(value);
117 template<
class Variant,
class Archive>
118 static void load_variant_impl(Archive & ar, Variant & variant, std::false_type )
123 variant = std::move(*loadWrapper.construct.ptr());
127 template<
class Variant,
class Archive>
128 static void load_variant(Archive & ar, Variant & variant)
130 load_variant_impl( ar, variant,
typename std::is_default_constructible<T>::type() );
136 template <
class Archive,
typename ... VariantTypes>
inline 139 int32_t which = variant.which();
142 variant.apply_visitor(visitor);
146 template <
class Archive,
typename ... VariantTypes>
inline 152 using LoadFuncType = void(*)(Archive &, boost::variant<VariantTypes...> &);
155 if(which >= int32_t(
sizeof(loadFuncArray)/
sizeof(loadFuncArray[0])))
156 throw Exception(
"Invalid 'which' selector when deserializing boost::variant");
158 loadFuncArray[which](ar, variant);
162 #undef CEREAL_CONSTEXPR_LAMBDA 164 #endif // CEREAL_TYPES_BOOST_VARIANT_HPP_ #define CEREAL_NVP_(name, value)
Convenience for creating a templated NVP.
Definition: helpers.hpp:201
Definition: boost_variant.hpp:91
Definition: boost_variant.hpp:65
Used to construct types with no default constructor.
Definition: access.hpp:164
Definition: boost_variant.hpp:50
#define CEREAL_SERIALIZE_FUNCTION_NAME
The serialization/deserialization function name to search for.
Definition: macros.hpp:78
Definition: access.hpp:41
Main cereal functionality.
#define CEREAL_LOAD_FUNCTION_NAME
The deserialization (load) function name to search for.
Definition: macros.hpp:85
#define CEREAL_SAVE_FUNCTION_NAME
The serialization (save) function name to search for.
Definition: macros.hpp:92
Definition: traits.hpp:1338
An exception class thrown when things go wrong at runtime.
Definition: helpers.hpp:48