91 struct ValueUnion {  struct
92   union DataT {
98   using DataPtr = std::unique_ptr<DataT, decltype(&std::free)>;
101   size_t Size;
102   DataPtr Buff;
105   ValueUnion() : Size(0), Buff(nullptr, &std::free) {}  in ValueUnion()  function
107   explicit ValueUnion(size_t BuffSize)  in ValueUnion()  function
113   explicit operator bool() const { return bool(Buff); }  in operator bool()
115   char* data() const { return Buff->bytes; }  in data()
117   std::string GetAsString() const { return std::string(data()); }  in GetAsString()
119   int64_t GetAsInteger() const {  in GetAsInteger()
127   uint64_t GetAsUnsigned() const {  in GetAsUnsigned()
136   std::array<T, N> GetAsArray() {  in GetAsArray()