[#42838E01A4DF05D82A5EC3960FDD17DED96D7C5E]
Return the number of characters in the authority
std::size_t size() const noexcept;
This function returns the number of characters in the authority.
assert( authority_view( "user:pass@www.example.com:8080" ).size() == 30 );
Throws nothing.