.

wcfs/internal/xbtree/δbtail.go

@@ -264,14 +264,14 @@ func (btail *ΔTail) ForgetPast(revCut zodb.Tid) {
 //
 // XXX at must ∈ (tail, head]	XXX [tail ?
 // XXX key must be tracked
-func (btail *ΔTail) Get(root *Tree, key Key, at zodb.Tid) (value Value, ok bool, rev zodb.Tid, revExact bool) {
+func (δΒtail *ΔTail) Get(root *Tree, key Key, at zodb.Tid) (value Value, ok bool, rev zodb.Tid, revExact bool) {
 	// XXX key not tracked		-> panic
 	// XXX at not ∈ (tail, head]	-> panic
 
 	// XXX stub -> that only ZBlk.rev is used
 
 	// XXX -> index lastXXXOf(key) | linear scan ↓ looking for change <= at
-	δt := btail.byRoot[root]
+	δt := δΒtail.byRoot[root]
 	for i := len(δt.δTtail)-1; i >= 0; i-- {
 		δ := δt.δTtail[i]
 		if at < δ.Rev {
@@ -292,7 +292,7 @@ func (btail *ΔTail) Get(root *Tree, key Key, at zodb.Tid) (value Value, ok bool
 
 	// key not in history tail
 	value, ok = δt.KVAtTail[key]
-	rev = btail.Tail()
+	rev = δΒtail.Tail()
 	revExact = false
 	return
 }