.

wcfs/internal/xbtree/δbtail.go

@@ -156,11 +156,16 @@ func (δb *ΔTail) Tail() zodb.Tid {
 
 // Track adds tree path to tracked set.
 //
+// path[0] signifies a root.
+// All path elemens must be Tree except last one which must be Bucket.
+//
 // XXX δBtail is rebuild to also include keys corresponding to added nodes.
 //
 // XXX path is at @at state.
 // XXX objects in path must be with .PJar().At() == .head
 // XXX path -> []oid ?
+//
+// XXX catch cycles on add?
 func (δb *ΔTail) Track(path []Node) {	// XXX Tree|Bucket; path[0] = root
 	l := len(path)
 	if l == 0 {