State.setValue returns a copy of the object (for chaining purposes).

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@10103 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/parser/State.java

@@ -117,9 +117,10 @@ public class State implements Comparable<State>
 	/**
 	 * Set the {@code i}th value to {@code val}.
 	 */
-	public void setValue(int i, Object val)
+	public State setValue(int i, Object val)
 	{
 		varValues[i] = val;
+		return this;
 	}
 
 	/**