std::string::byte_at
Returns a byte at an index from a string.
Parameters
input@rf11:String- the string to get the byte from. Triggers Checked Illegal Behavior if it’s not a string.idx@rv11:u64- the index of the byte to get.
Return
- rv10: error code
- rv11: the desired byte
Errors
1: the parameteridxis greater than the string length.