macro_rules! AS_HEX_AT { ($string:expr, $offset:expr) => { ... }; }
Expand description
Converts a hexadecimal character at a given offset in a string to its corresponding integer value.
§Parameters
string
: A reference to a string containing hexadecimal characters.offset
: The offset in the string where the hexadecimal character is located.
§Return
An integer representing the hexadecimal value of the character at the given offset.
§Note
This macro assumes that the input string contains valid hexadecimal characters.