1 files changed, 31 insertions, 0 deletions
diff --git a/misc/optvec.hpp b/misc/optvec.hpp
new file mode 100644
index 0000000..5cb78c1
--- /dev/null
+++ b/misc/optvec.hpp
@@ -0,0 +1,31 @@
+#include <vector>
+
+namespace opt_utilities
+{
+  template <typename T>
+  class optvec
+    :public std::vector<T>
+  {
+  public:
+    optvec()
+    {}
+
+    optvec(size_t s)
+      :std::vector<T>(s)
+    {}
+
+    optvec(const std::vector<T>& rhs)
+      :std::vector<T>(rhs)
+    {}
+  public:
+    operator std::vector<T>& ()
+    {
+      return dynamic_cast<std::vector<T>&>(*this);
+    }
+    
+    operator const std::vector<T>& ()const
+    {
+      return dynamic_cast<const std::vector<T>&>(*this);
+    }
+  };
+};