coroutine: activate new interface V2

[SVN r84428]

example/parallel.cpp

@@ -10,6 +10,45 @@
 #include <boost/bind.hpp>
 #include <boost/coroutine/all.hpp>
 
+#ifdef BOOST_COROUTINES_V2
+void first( boost::coroutines::push_coroutine< void > & c)
+{
+    std::cout << "started first! ";
+    for ( int i = 0; i < 10; ++i)
+    {
+        c();
+        std::cout << "a" << i;
+    }
+}
+
+void second( boost::coroutines::push_coroutine< void > & c)
+{
+    std::cout << "started second! ";
+    for ( int i = 0; i < 10; ++i)
+    {
+        c();
+        std::cout << "b" << i;
+    }
+}
+
+int main( int argc, char * argv[])
+{
+    {
+        boost::coroutines::pull_coroutine< void > c1( boost::bind( first, _1) );
+        boost::coroutines::pull_coroutine< void > c2( boost::bind( second, _1) );
+        while ( c1 && c2) {
+            c1();
+            std::cout << " ";
+            c2();
+            std::cout << " ";
+        }
+    }
+
+    std::cout << "\nDone" << std::endl;
+
+    return EXIT_SUCCESS;
+}
+#else
 typedef boost::coroutines::coroutine< void() > coroutine_t;
 
 void first( coroutine_t::caller_type & self)
@@ -49,3 +88,4 @@ int main( int argc, char * argv[])
 
     return EXIT_SUCCESS;
 }
+#endif