fixed tibdoc

[sbp.git] / src / edu / berkeley / sbp / Tree.java

diff --git a/src/edu/berkeley/sbp/Tree.java b/src/edu/berkeley/sbp/Tree.java
index 2ab70c8..b867766 100644 (file)
--- a/src/edu/berkeley/sbp/Tree.java
+++ b/src/edu/berkeley/sbp/Tree.java
@@ -30,13 +30,6 @@ public class Tree<T> extends PrintableTree<Tree<T>> implements Iterable<Tree<T>>
         this.children = children2;
     }
 
-    /** since Tree instances are immutable, we can cache this to make pretty-printing MUCH faster */
-    public String toString() {
-        if (toString!=null) return toString;
-        return toString = super.toString();
-    }
-    private String toString = null;
-
     protected String headToString() { return head==null?null:head.toString(); }
     protected String headToJava()   { return head==null?null:StringUtil.toJavaString(head+""); }
     protected String left()   { return "{"; }