.

wcfs/pptreesubset.go

@@ -45,6 +45,8 @@ const debugPPSet = false
 // returns path to tree node given node oid.
 //
 // Every node in the set comes with .parent pointer.
+//
+// XXX we only allow single parent/root case and report "tree corrupt" otherwise.
 type PPTreeSubSet map[zodb.Oid]*nodeInTree
 
 // nodeInTree represents tracking information about a node.
@@ -352,8 +354,8 @@ func (orig PPTreeSubSet) Clone() PPTreeSubSet {
 	return klon
 }
 
-// equal returns whether a == b.
-func (A PPTreeSubSet) equal(B PPTreeSubSet) bool {
+// Equal returns whether a == b.
+func (A PPTreeSubSet) Equal(B PPTreeSubSet) bool {
 	if len(A) != len(B) {
 		return false
 	}