bugfix for #9760

example/cpp11/asymmetric/iterator_range.cpp

@@ -0,0 +1,30 @@
+
+//          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/coroutine/all.hpp>
+
+#include <boost/range/adaptor/filtered.hpp>
+#include <boost/range/iterator_range.hpp>
+#include <iostream>
+
+int main()
+{
+    using namespace boost;
+    coroutines::coroutine<int>::pull_type c([](coroutines::coroutine<int>::push_type& yield) {
+        for (int i = 0; i < 5; ++i) {
+            yield(i);
+        }
+    });
+    auto crange = make_iterator_range(begin(c), end(c));
+    for (auto n : crange
+            | adaptors::filtered([](int n){return n % 2 == 0;})) // the filtered adaptor needs const operator==.
+        {
+        std::cout << n << std::endl;
+    }
+}