84 struct ValueUnion {  struct
85   union DataT {
91   using DataPtr = std::unique_ptr<DataT, decltype(&std::free)>;
94   size_t Size;
95   DataPtr Buff;
98   ValueUnion() : Size(0), Buff(nullptr, &std::free) {}  in ValueUnion()  argument
100   explicit ValueUnion(size_t BuffSize)  in ValueUnion()  argument
106   explicit operator bool() const { return bool(Buff); }  in operator bool()
108   char* data() const { return Buff->bytes; }  in data()
110   std::string GetAsString() const { return std::string(data()); }  in GetAsString()
112   int64_t GetAsInteger() const {  in GetAsInteger()
120   uint64_t GetAsUnsigned() const {  in GetAsUnsigned()
129   std::array<T, N> GetAsArray() {  in GetAsArray()