[#3A559C44821497572AE406FD7CB5C63F285809F2]
Return the port
core::string_view port() const noexcept;
If present, this function returns a string representing the port (which may be empty). Otherwise it returns an empty string.
assert( url_view( "http://localhost.com:8080" ).port() == "8080" );
Constant.
Throws nothing.
port = *DIGIT