1 files changed, 27 insertions, 0 deletions
diff --git a/include/gras/detail/element.hpp b/include/gras/detail/element.hpp
new file mode 100644
index 0000000..35033e1
--- /dev/null
+++ b/include/gras/detail/element.hpp
@@ -0,0 +1,27 @@
+// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
+
+#ifndef INCLUDED_GRAS_DETAIL_ELEMENT_HPP
+#define INCLUDED_GRAS_DETAIL_ELEMENT_HPP
+
+namespace gras
+{
+    template <typename T>
+    inline Element::Element(const boost::shared_ptr<T> &elem)
+    {
+        *this = elem->shared_to_element();
+    }
+
+    //! Convert a shared ptr of a derived class to an Element
+    inline Element &Element::shared_to_element(void)
+    {
+        try
+        {
+            this->weak_self = this->shared_from_this();
+        }
+        catch(...){}
+        return *this;
+    }
+
+} //namespace gras
+
+#endif /*INCLUDED_GRAS_DETAIL_ELEMENT_HPP*/