diff options
Diffstat (limited to 'yaml-cpp/include/yaml-cpp/null.h')
| -rwxr-xr-x | yaml-cpp/include/yaml-cpp/null.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/yaml-cpp/include/yaml-cpp/null.h b/yaml-cpp/include/yaml-cpp/null.h new file mode 100755 index 00000000..711f18c3 --- /dev/null +++ b/yaml-cpp/include/yaml-cpp/null.h @@ -0,0 +1,25 @@ +#ifndef NULL_H_62B23520_7C8E_11DE_8A39_0800200C9A66 +#define NULL_H_62B23520_7C8E_11DE_8A39_0800200C9A66 + +#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4 +#pragma once +#endif + + +#include "yaml-cpp/dll.h" + +namespace YAML +{ + class Node; + + struct YAML_CPP_API _Null {}; + inline bool operator == (const _Null&, const _Null&) { return true; } + inline bool operator != (const _Null&, const _Null&) { return false; } + + YAML_CPP_API bool IsNull(const Node& node); // old API only + + extern YAML_CPP_API _Null Null; +} + +#endif // NULL_H_62B23520_7C8E_11DE_8A39_0800200C9A66 + |