yaml-cpp

FORK: A YAML parser and emitter in C++
git clone https://git.neptards.moe/neptards/yaml-cpp.git
Log | Files | Refs | README | LICENSE

null.h (790B)

      1 #ifndef NULL_H_62B23520_7C8E_11DE_8A39_0800200C9A66
      2 #define NULL_H_62B23520_7C8E_11DE_8A39_0800200C9A66
      3 
      4 #if defined(_MSC_VER) ||                                            \
      5     (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
      6      (__GNUC__ >= 4))  // GCC supports "pragma once" correctly since 3.4
      7 #pragma once
      8 #endif
      9 
     10 #include "yaml-cpp/dll.h"
     11 #include <string>
     12 
     13 namespace YAML {
     14 class Node;
     15 
     16 struct YAML_CPP_API _Null {};
     17 inline bool operator==(const _Null&, const _Null&) { return true; }
     18 inline bool operator!=(const _Null&, const _Null&) { return false; }
     19 
     20 YAML_CPP_API bool IsNull(const Node& node);  // old API only
     21 YAML_CPP_API bool IsNullString(const std::string& str);
     22 
     23 extern YAML_CPP_API _Null Null;
     24 }
     25 
     26 #endif  // NULL_H_62B23520_7C8E_11DE_8A39_0800200C9A66