compare

avl/avl.go

@@ -32,9 +32,6 @@ type Tree struct {
 }
 
 func New(comparator utils.Comparator) *Tree {
-	if m == nil {
-		m = make(map[int]int)
-	}
 	return &Tree{comparator: comparator}
 }
 
@@ -615,8 +612,6 @@ func (avl *Tree) fixRemoveHeight(cur *Node) {
 
 }
 
-var m map[int]int
-
 func (avl *Tree) fixPutHeight(cur *Node) {
 
 	for {