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🔨 trying code from https://godbolt.org/z/-tLO1K

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Niels Lohmann 2019-01-20 11:12:20 +01:00
parent d359fd3a8d
commit e36593e960
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GPG key ID: 7F3CEA63AE251B69
2 changed files with 16 additions and 8 deletions
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8
include/nlohmann/detail/macro_scope.hpp
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@ -38,10 +38,14 @@
#endif
// allow for portable nodiscard warnings
#if defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard)
#if defined(__has_cpp_attribute)
#if __has_cpp_attribute(nodiscard)
#define JSON_NODISCARD [[nodiscard]]
#elif defined(__has_cpp_attribute) && __has_cpp_attribute(gnu::warn_unused_result)
#elif __has_cpp_attribute(gnu::warn_unused_result)
#define JSON_NODISCARD [[gnu::warn_unused_result]]
#else
#define JSON_NODISCARD
#endif
#else
#define JSON_NODISCARD
#endif

8
single_include/nlohmann/json.hpp
View file

@ -153,10 +153,14 @@ using json = basic_json<>;
#endif
// allow for portable nodiscard warnings
#if defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard)
#if defined(__has_cpp_attribute)
#if __has_cpp_attribute(nodiscard)
#define JSON_NODISCARD [[nodiscard]]
#elif defined(__has_cpp_attribute) && __has_cpp_attribute(gnu::warn_unused_result)
#elif __has_cpp_attribute(gnu::warn_unused_result)
#define JSON_NODISCARD [[gnu::warn_unused_result]]
#else
#define JSON_NODISCARD
#endif
#else
#define JSON_NODISCARD
#endif