- version(+Versions)
- Integer in the range 1..5, which specifies the UUID version that is created. Default is 1.
- dns(DNS)
- url(URL)
- oid(OID)
- x500(X500)
- Provide additional context information for UUIDs using version 3 or 5. If there is no explicit version option, UUID version 3 is used.
- format(+Format)
- Representation of the UUID. Default is
atom
, yielding atoms such as8304efdd-bd6e-5b7c-a27f-83f3f05c64e0
. The alternative isinteger
, returning a large integer that represents the 128 bits of the UUID.
If SWI-Prolog was not built with the OSSP UUID dependency
library a simple Prolog alternative that only implements version 4
random UUIDs is provided. In this case the default version is 4 and the
only admissible options are version(4)
and format(Format)
.