Smart pointer and utility changes related to adding checked_delere and checked_array_delete

[SVN r10189]

scoped_ptr_example.cpp

@@ -0,0 +1,16 @@
+// Boost scoped_ptr_example implementation file  -----------------------------//
+
+#include "scoped_ptr_example.hpp"
+#include <iostream>
+
+class example::implementation
+{
+ public:
+  ~implementation() { std::cout << "destroying implementation\n"; }
+};
+
+example::example() : _imp( new implementation ) {}
+
+void example::do_something() { std::cout << "did something\n"; }
+
+example::~example() {}