.

wcfs/internal/xbtree.py

@@ -33,7 +33,7 @@ It is primarily used to verify ΔBTail in wcfs.
 - `AllStructs` generates all possible BTree topology structures with given keys.
 
 
-Topology encoding
+Topology encoding   XXX values
 -----------------
 
 Topology encoding provides way to represent structure of a Tree as path-like string.
@@ -163,12 +163,13 @@ class Tree(object):
 # Bucket represents a bucket node.
 class Bucket(object):
     #   .keyv   () of keys
-    def __init__(b, *keyv):
+    #   .valuev None | () of values    len(.valuev) == len(.keyv)
+    def __init__(b, *keyv): # XXX +values
         _assertIncv(keyv)
         b.keyv = tuple(keyv)
 
     def __hash__(b):
-        return hash(b.keyv)
+        return hash(b.keyv)     # XXX +values
     def __ne__(a, b):
         return not (a == b)
     def __eq__(a, b):
@@ -176,7 +177,7 @@ class Bucket(object):
             return False
         return a.keyv == b.keyv
 
-    def __str__(b):
+    def __str__(b): # XXX +values
         return "B(" + ','.join(['%s' % _ for _ in b.keyv]) + ")"
     __repr__ = __str__