* Shared (garbage collecting) pointers. Copied from Boost.

src/boost/assert.hpp

@@ -0,0 +1,38 @@
+//
+//  boost/assert.hpp - BOOST_ASSERT(expr)
+//
+//  Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
+//
+//  Permission to copy, use, modify, sell and distribute this software
+//  is granted provided this copyright notice appears in all copies.
+//  This software is provided "as is" without express or implied
+//  warranty, and with no claim as to its suitability for any purpose.
+//
+//  Note: There are no include guards. This is intentional.
+//
+//  See http://www.boost.org/libs/utility/assert.html for documentation.
+//
+
+#undef BOOST_ASSERT
+
+#if defined(BOOST_DISABLE_ASSERTS)
+
+# define BOOST_ASSERT(expr) ((void)0)
+
+#elif defined(BOOST_ENABLE_ASSERT_HANDLER)
+
+#include <boost/current_function.hpp>
+
+namespace boost
+{
+
+void assertion_failed(char const * expr, char const * function, char const * file, long line); // user defined
+
+} // namespace boost
+
+#define BOOST_ASSERT(expr) ((expr)? ((void)0): ::boost::assertion_failed(#expr, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__))
+
+#else
+# include <assert.h>
+# define BOOST_ASSERT(expr) assert(expr)
+#endif