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Merge branch 'develop' of https://github.com/nlohmann/json into develop

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Niels Lohmann 2018-10-27 18:31:06 +02:00
commit 45a761bd60
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5 changed files with 182 additions and 4 deletions
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31
include/nlohmann/detail/macro_scope.hpp
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@ -87,6 +87,37 @@
#define JSON_HAS_CPP_14
#endif
/*!
@brief macro to briefly define a mapping between an enum and JSON
@macro NLOHMANN_JSON_SERIALIZE_ENUM
@since version 3.4.0
*/
#define NLOHMANN_JSON_SERIALIZE_ENUM(ENUM_TYPE, ...) \
template<typename BasicJsonType> \
inline void to_json(BasicJsonType& j, const ENUM_TYPE& e) \
{ \
static_assert(std::is_enum<ENUM_TYPE>::value, #ENUM_TYPE " must be an enum!"); \
static const std::pair<ENUM_TYPE, BasicJsonType> m[] = __VA_ARGS__; \
auto it = std::find_if(std::begin(m), std::end(m), \
[e](const std::pair<ENUM_TYPE, BasicJsonType>& ej_pair) -> bool \
{ \
return ej_pair.first == e; \
}); \
j = ((it != std::end(m)) ? it : std::begin(m))->second; \
} \
template<typename BasicJsonType> \
inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \
{ \
static_assert(std::is_enum<ENUM_TYPE>::value, #ENUM_TYPE " must be an enum!"); \
static const std::pair<ENUM_TYPE, BasicJsonType> m[] = __VA_ARGS__; \
auto it = std::find_if(std::begin(m), std::end(m), \
[j](const std::pair<ENUM_TYPE, BasicJsonType>& ej_pair) -> bool \
{ \
return ej_pair.second == j; \
}); \
e = ((it != std::end(m)) ? it : std::begin(m))->first; \
}
// Ugly macros to avoid uglier copy-paste when specializing basic_json. They
// may be removed in the future once the class is split.

1
include/nlohmann/detail/output/binary_writer.hpp
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@ -1261,7 +1261,6 @@ class binary_writer
/*
@brief write a number to output input
@param[in] n number of type @a NumberType
@tparam NumberType the type of the number
@tparam OutputIsLittleEndian Set to true if output data is