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- #ifndef NODE_DETAIL_BOOL_TYPE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
- #define NODE_DETAIL_BOOL_TYPE_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
- namespace YAML {
- namespace detail {
- struct unspecified_bool {
- struct NOT_ALLOWED;
- static void true_value(NOT_ALLOWED*) {}
- };
- typedef void (*unspecified_bool_type)(unspecified_bool::NOT_ALLOWED*);
- }
- }
- #define YAML_CPP_OPERATOR_BOOL() \
- operator YAML::detail::unspecified_bool_type() const { \
- return this->operator!() ? 0 \
- : &YAML::detail::unspecified_bool::true_value; \
- }
- #endif // NODE_DETAIL_BOOL_TYPE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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