Function parse_ss58 

pub fn parse_ss58(s: &mut &str) -> Option<Result<Value<()>, ParseError>>

Attempt to parse an ss58 address into a Value<()> (or more specifically, an unnamed composite wrapped in a newtype which represents an AccountId32).

• Returns None if we can’t parse the address.
• Returns Some(value) if parsing was successful. In this case, the string reference given is wound forwards to consume what was parsed.