Function HexStr

src/util/strencodings.h:222–222

 */
std::string HexStr(const Span<const uint8_t> s);
inline std::string HexStr(const Span<const char> s) { return HexStr(MakeUCharSpan(s)); }
inline std::string HexStr(const Span<const std::byte> s) { return HexStr(MakeUCharSpan(s)); }

/**