1 files changed, 28 insertions, 0 deletions
diff --git a/src/expr/emptyset.cpp b/src/expr/emptyset.cpp
new file mode 100644
index 000000000..69e34b848
--- /dev/null
+++ b/src/expr/emptyset.cpp
@@ -0,0 +1,28 @@
+/*********************                                                        */
+/*! \file emptyset.cpp
+ ** \verbatim
+ ** Original author: Kshitij Bansal
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2014  New York University and The University of Iowa
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief [[ Add one-line brief description here ]]
+ **
+ ** [[ Add lengthier description here ]]
+ ** \todo document this file
+ **/
+
+#include "expr/emptyset.h"
+
+#include <iostream>
+
+namespace CVC4 {
+
+std::ostream& operator<<(std::ostream& out, const EmptySet& asa) {
+  return out << "emptyset(" << asa.getType() << ')';
+}
+
+}/* CVC4 namespace */