1 files changed, 14 insertions, 0 deletions
diff --git a/src/array_fun.h b/src/array_fun.h
index a8990b9d..c6d53475 100644
--- a/src/array_fun.h
+++ b/src/array_fun.h
@@ -155,6 +155,13 @@ struct And
 };
 
 template<typename T>
+struct Or
+{
+  typedef T returnType;
+  static inline returnType apply(T lhs, T rhs) { return lhs|rhs; }
+};
+
+template<typename T>
 struct Negate
 {
   typedef T returnType;
@@ -184,6 +191,13 @@ operator&(const L& l, const R& r)
   return BinExpr<L, And<typename L::returnType>, R>(l, r);
 }
 
+template<typename L, typename R>
+BinExpr<L, Or<typename L::returnType>, R>
+operator|(const L& l, const R& r)
+{
+  return BinExpr<L, Or<typename L::returnType>, R>(l, r);
+}
+
 template<typename A>
 UnExpr<Negate<typename A::returnType>, A>
 operator~(const A& a)