Creates a URL from the specified |parts|, which must contain a non-NULL spec or a non-NULL host and path (at a minimum), but not both. Returns false (0) if |parts| isn't initialized as described.
See Implementation
Creates a URL from the specified |parts|, which must contain a non-NULL spec or a non-NULL host and path (at a minimum), but not both. Returns false (0) if |parts| isn't initialized as described.