Changed layout to match boost

doc/example/calculator.hpp

@@ -0,0 +1,24 @@
+// http://turtle.sourceforge.net
+//
+// Copyright Mathieu Champlon 2012
+//
+// Distributed under 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)
+
+#ifndef CALCULATOR
+#define CALCULATOR
+
+class view;
+
+//[ calculator
+class calculator
+{
+public:
+    calculator( view& v );
+
+    void add( int a, int b ); // the result will be sent to the view 'v'
+};
+//]
+
+#endif // CALCULATOR