Writes the hex string (in reverse byte order) into a new uintN_t object and only returns a value iff all of the checks pass: - Input length is uintN_t::size()*2 - All characters are hex
Declared in <uint256.h>
template<class uintN_t>
std::optional<uintN_t>
FromHex(std::string_view str);The parsed value, or std::nullopt if the length or characters are invalid.
| Name | Description |
|---|---|
| str | The hex string to parse, expected to be uintN_t::size()*2 characters. |