Function HexEncode

util/string/hex.h:33–35

TString HexEncode(const void* in, size_t len);

inline TString HexEncode(const TStringBuf h) {
    return HexEncode(h.data(), h.size());
}

//! Convert a hex string @c in of @c len chars (case-insensitive) to array of ints stored at @c ptr and return this array.
/*! @note len must be even (len % 2 == 0), otherwise an exception will be thrown.