coroutine: fix auto-link in config.hpp and update examples

[SVN r84996]

example/cpp03/fibonacci.cpp

@@ -0,0 +1,71 @@
+
+//          Copyright Oliver Kowalke 2009.
+// 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)
+
+#include <cstdlib>
+#include <iostream>
+
+#include <boost/range.hpp>
+#include <boost/coroutine/all.hpp>
+
+#ifdef BOOST_COROUTINES_UNIDIRECT
+void fibonacci( boost::coroutines::push_coroutine< int > & c)
+{
+    int first = 1, second = 1;
+    while ( true)
+    {
+        int third = first + second;
+        first = second;
+        second = third;
+        c( third);     
+    }
+}
+
+int main()
+{
+    boost::coroutines::pull_coroutine< int > c( fibonacci);
+    boost::range_iterator<
+       boost::coroutines::pull_coroutine< int >
+    >::type   it( boost::begin( c) );
+    for ( int i = 0; i < 10; ++i)
+    {
+        std::cout << * it <<  " ";
+        ++it;
+    }
+
+    std::cout << "\nDone" << std::endl;
+
+    return EXIT_SUCCESS;
+}
+#else
+void fibonacci( boost::coroutines::coroutine< void( int) > & c)
+{
+    int first = 1, second = 1;
+    while ( true)
+    {
+        int third = first + second;
+        first = second;
+        second = third;
+        c( third);
+    }
+}
+
+int main()
+{
+    boost::coroutines::coroutine< int() > c( fibonacci);
+    boost::range_iterator<
+       boost::coroutines::coroutine< int() >
+    >::type   it( boost::begin( c) );
+    for ( int i = 0; i < 10; ++i)
+    {
+        std::cout << * it <<  " ";
+        ++it;
+    }
+
+    std::cout << "\nDone" << std::endl;
+
+    return EXIT_SUCCESS;
+}
+#endif