Changes reflecting formal review comments

[SVN r7689]

print.hpp

@@ -0,0 +1,28 @@
+/* The following code example is taken from the book
+ * "The C++ Standard Library - A Tutorial and Reference"
+ * by Nicolai M. Josuttis, Addison-Wesley, 1999
+ *
+ * (C) Copyright Nicolai M. Josuttis 1999.
+ * 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.
+ */
+#include <iostream>
+
+/* PRINT_ELEMENTS()
+ * - prints optional C-string optcstr followed by
+ * - all elements of the collection coll
+ * - separated by spaces
+ */
+template <class T>
+inline void PRINT_ELEMENTS (const T& coll, const char* optcstr="")
+{
+    typename T::const_iterator pos;
+
+    std::cout << optcstr;
+    for (pos=coll.begin(); pos!=coll.end(); ++pos) {
+        std::cout << *pos << ' ';
+    }
+    std::cout << std::endl;
+}