1 files changed, 48 insertions, 0 deletions
diff --git a/src/boost/libs/hof/test/issue8.cpp b/src/boost/libs/hof/test/issue8.cpp
new file mode 100644
index 00000000..08acb9a7
--- /dev/null
+++ b/src/boost/libs/hof/test/issue8.cpp
@@ -0,0 +1,48 @@
+/*=============================================================================
+    Copyright (c) 2017 Paul Fultz II
+    issue8.cpp
+    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 "test.hpp"
+#include <vector>
+#include <boost/hof/pipable.hpp>
+#include <boost/hof/placeholders.hpp>
+#include <algorithm>
+
+
+struct filter_fn
+{
+    template<class Input, class P>
+    Input operator()(Input input, P pred) const
+    {
+        Input output(input.size());
+        output.erase(
+            ::std::copy_if(
+                ::std::begin(input),
+                ::std::end(input),
+                ::std::begin(output),
+                pred
+            ),
+            ::std::end(output)
+        );
+        return output;
+    }
+};
+
+static constexpr boost::hof::pipable_adaptor<filter_fn> filter = {};
+
+BOOST_HOF_TEST_CASE()
+{
+    std::vector<int> data;
+    for(int i=0;i<6;i++)
+    {
+        data.push_back(i);
+    }
+    std::vector<int> r1 = data | filter(boost::hof::_1 > 1);
+    BOOST_HOF_TEST_CHECK(r1.size() == 4);
+
+    std::vector<int> r2 = filter(data, boost::hof::_1 > 1);
+    BOOST_HOF_TEST_CHECK(r2.size() == 4);
+}