made phoenix actor Assignable

[SVN r68369]

test/bug4853.cpp

@@ -0,0 +1,70 @@
+/*==============================================================================
+    Copyright (c) 2005-2010 Joel de Guzman
+    Copyright (c) 2010 Thomas Heller
+
+    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 <boost/phoenix/core.hpp>
+#include <boost/phoenix/operator.hpp>
+#include <boost/phoenix/bind.hpp>
+#include <boost/range.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/make_shared.hpp>
+#include <boost/range/adaptor/transformed.hpp>
+#include <boost/range/adaptor/uniqued.hpp>
+#include <boost/range/algorithm_ext/push_back.hpp>
+
+#include <vector>
+#include <string>
+
+
+namespace phoenix = boost::phoenix;
+
+struct Foo {
+    Foo(const std::string& name, int value)
+        : name_(name)
+        , value_(value)
+    { }
+    
+    std::string name_; int value_;
+};
+
+typedef boost::shared_ptr<Foo> FooPtr;
+
+int range_test_complex() {
+    typedef std::vector<FooPtr> V;
+    
+    V source;
+    
+    source.push_back(boost::make_shared<Foo>("Foo", 10));
+    source.push_back(boost::make_shared<Foo>("Bar", 20));
+    source.push_back(boost::make_shared<Foo>("Baz", 30));
+    source.push_back(boost::make_shared<Foo>("Baz", 30)); //duplicate is here
+    
+    std::vector<std::string> result1;
+    std::vector<int> result2;
+    
+    using namespace boost::adaptors;
+    using phoenix::arg_names::arg1;
+    
+    boost::push_back(result1, source | transformed(phoenix::bind(&Foo::name_, *arg1)) | uniqued);
+
+    for(unsigned i = 0; i < result1.size(); ++i)
+        std::cout << result1[i] << "\n";
+    
+    boost::push_back(result2, source | transformed(phoenix::bind(&Foo::value_, *arg1)) | uniqued);
+
+    for(unsigned i = 0; i < result2.size(); ++i)
+        std::cout << result2[i] << "\n";
+    
+    return 0;
+    
+}
+
+int main()
+{
+    return range_test_complex();
+}
+