X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2FForest.java;h=0fb10c6cbf3b442a36eb27f61bd4c4c59854cbfe;hp=3795c9ad19d5cdb17a2a72d9f9d1195567a82086;hb=fd03b595963d781ee0a86961631854d2b0089397;hpb=815430f1fa820e28981bf4cff3fe15a4b9f5d97d

diff --git a/src/edu/berkeley/sbp/Forest.java b/src/edu/berkeley/sbp/Forest.java
index 3795c9a..0fb10c6 100644
--- a/src/edu/berkeley/sbp/Forest.java
+++ b/src/edu/berkeley/sbp/Forest.java
@@ -119,7 +119,7 @@ public abstract class Forest<T> implements GraphViz.ToGraphViz {
     // Many //////////////////////////////////////////////////////////////////////////////
 
     /** An "ambiguity node"; this is immutable once it has been "looked at" */
-    public static class Many<T> extends Forest<T> {
+    public static class Many<T> extends Forest<T> implements Iterable<One<T>> {
 
         HashSet<GSS.Phase.Node> parents = new HashSet<GSS.Phase.Node>();
         private FastSet<Forest<T>> hp = new FastSet<Forest<T>>();
@@ -129,7 +129,7 @@ public abstract class Forest<T> implements GraphViz.ToGraphViz {
 
         public Iterator<One<T>> iterator() {
             touched();
-            return (Iterator<One<T>>)hp.iterator();    // FIXME: fastset's iterator is not safe!
+            return (Iterator<One<T>>)(Object)hp.iterator();    // FIXME: fastset's iterator is not safe!
         }
 
         public Tree<T> expand1() throws Ambiguous {
@@ -163,7 +163,7 @@ public abstract class Forest<T> implements GraphViz.ToGraphViz {
             FastSet<Forest<T>> f2 = new FastSet<Forest<T>>();
             for(Forest f : hp)
                 if (f instanceof Forest.One) f2.add(f);
-                else for(Forest ff : ((Forest.Many)f))
+                else for(Forest ff : ((Forest.Many<T>)f))
                     f2.add(ff);
             hp = f2;
         }