X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FTree.java;fp=src%2Fedu%2Fberkeley%2Fsbp%2FTree.java;h=1b9ddfa668f8bcee675892b4c216cc7408456fac;hp=7dbda47e2c258cf6749aecf81d2962aa157664f6;hb=c8d1c3a25e2bfa9645c4b91d3dde9c4857f636f2;hpb=a4a48c32b18df6f5cc834d03fe0d5f864571380d

diff --git a/src/edu/berkeley/sbp/Tree.java b/src/edu/berkeley/sbp/Tree.java
index 7dbda47..1b9ddfa 100644
--- a/src/edu/berkeley/sbp/Tree.java
+++ b/src/edu/berkeley/sbp/Tree.java
@@ -48,10 +48,7 @@ public class Tree<T>
         this.location = loc;
         this.head = head;
         this.lift = lift && children != null && children.length > 0;
-
-        Tree<T>[] children2 = children==null ? new Tree[0] : new Tree[children.length];
-        if (children != null) System.arraycopy(children, 0, children2, 0, children.length);
-        this.children = children2;
+        this.children = ArrayUtil.clone(children, Tree.class);
     }
 
 
@@ -86,6 +83,9 @@ public class Tree<T>
     public boolean isTransparent() { return false; }
     public boolean isHidden() { return false; }
 
+
+    // TreeFunctor /////////////////////////////////////////////////////////////////////////////
+
     public static interface TreeFunctor<T,R> extends Functor<Iterable<Tree<T>>, R> { }
     
 }