Boost.RangeEx merged into Boost.Range

[SVN r60897]

test/test_function/counted_function.hpp

@@ -0,0 +1,40 @@
+// Boost.Range library
+//
+//  Copyright Neil Groves 2009. Use, modification and
+//  distribution is subject to the Boost Software License, Version
+//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+#ifndef BOOST_RANGE_TEST_FUNCTION_COUNTED_FUNCTION_HPP_INCLUDED
+#define BOOST_RANGE_TEST_FUNCTION_COUNTED_FUNCTION_HPP_INCLUDED
+
+namespace boost
+{
+    namespace range_test_function
+    {
+
+        class counted_function
+        {
+        public:
+            counted_function() : m_count(0u) {}
+
+            void invoked() const
+            {
+                ++m_count;
+            }
+
+            // Return the number of times that this function object
+            // has been invoked.
+            unsigned int invocation_count() const { return m_count; }
+
+        private:
+            mutable unsigned int m_count;
+        };
+
+    }
+}
+
+#endif // include guard