1 files changed, 34 insertions, 0 deletions
diff --git a/libs/local_function/example/add_phoenix.cpp b/libs/local_function/example/add_phoenix.cpp
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+++ b/libs/local_function/example/add_phoenix.cpp
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+
+// Copyright (C) 2009-2012 Lorenzo Caminiti
+// Distributed under the Boost Software License, Version 1.0
+// (see accompanying file LICENSE_1_0.txt or a copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+// Home at http://www.boost.org/libs/local_function
+
+#include <boost/spirit/include/phoenix.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <algorithm>
+#include <iostream>
+    
+//[add_phoenix
+int main(void) {
+    using boost::phoenix::let;
+    using boost::phoenix::local_names::_f;
+    using boost::phoenix::cref;
+    using boost::phoenix::ref;
+    using boost::phoenix::arg_names::_1;
+
+    int sum = 0, factor = 10;
+    int nums[] = {1, 2, 3};
+
+    // Passed to template, `factor` by constant, and defined in expression.
+    std::for_each(nums, nums + 3, let(_f = cref(factor))[
+        // Unfortunately, body cannot use C++ statement syntax.
+        ref(sum) += _f * _1, _1 // Access `sum` by reference.
+    ]);
+
+    BOOST_TEST(sum == 60);
+    return boost::report_errors();
+}
+//]
+