Universally unique identifier (uuid) library for Dylan
// Construct UUID from string
let uuid = as(<uuid>, "F4BA786E-E6CD-11E5-9F37-E2AD61FECC63");
// RFC 4122 variant UUIDs
// v4: random UUID
let random-uuid = make-uuid4();
// v3: namespace & MD5 hash
let md5-based-uuid = make-uuid3($namespace-url, "http://github.com/dylan-foundry/uuid");
// v5: namespace & SHA-1 hash
let sha1-based-uuid = make-uuid5($namespace-dns, "opendylan.org");