[#6F913088C0451AB934FC12066A2BA6B82552A053]
Return the number of characters in the url
std::size_t size() const noexcept;
This function returns the number of characters in the url's encoded string, not including any null terminator, if present.
assert( url_view( "file:///Program%20Files" ).size() == 23 );
Constant.
Throws nothing.