checkpoint

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

diff --git a/src/edu/berkeley/sbp/Atom.java b/src/edu/berkeley/sbp/Atom.java
index 6c7a25e..98726c1 100644 (file)
--- a/src/edu/berkeley/sbp/Atom.java
+++ b/src/edu/berkeley/sbp/Atom.java
@@ -28,17 +28,5 @@ public abstract class Atom<T> extends Element implements Topology<T> {
     public int               hashCode()                 { return top().hashCode(); }
     public boolean           equals(Object o)           { return o != null && o instanceof Atom && ((Atom)o).top().equals(top()); }
 
-    /** if all expressions matching <tt>e</tt> are exactly one token
-     *  long, <b>attempt to</b> return an Atom representing that token
-     *  (undecidable in general; only works in trivial cases)
-     */
-    public static Topology toAtom(Element e) {
-        if (e instanceof Atom) return (Atom)e;
-        if (e instanceof Sequence) return ((Sequence)e).toAtom();
-        Topology ret = null;
-        for(Sequence s : (Union)e)
-            ret = ret==null ? toAtom(s) : ret.union(s.toAtom());
-        return ret;
-    }
 }