diff options
Diffstat (limited to 'gnu/system/uuid.scm')
| -rw-r--r-- | gnu/system/uuid.scm | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gnu/system/uuid.scm b/gnu/system/uuid.scm index 6470abb8cc..e422e06a6d 100644 --- a/gnu/system/uuid.scm +++ b/gnu/system/uuid.scm @@ -29,6 +29,7 @@ uuid? uuid-type uuid-bytevector + uuid=? bytevector->uuid @@ -281,3 +282,15 @@ corresponding bytevector; otherwise return #f." ((_ . (? procedure? unparse)) (unparse bv)))) (((? uuid? uuid)) (uuid->string (uuid-bytevector uuid) (uuid-type uuid))))) + +(define uuid=? + ;; Return true if A is equal to B, comparing only the actual bits. + (match-lambda* + (((? bytevector? a) (? bytevector? b)) + (bytevector=? a b)) + (((? uuid? a) (? bytevector? b)) + (bytevector=? (uuid-bytevector a) b)) + (((? uuid? a) (? uuid? b)) + (bytevector=? (uuid-bytevector a) (uuid-bytevector b))) + ((a b) + (uuid=? b a)))) |