id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
5626,Compilation error when using boost::phoenix with range adaptors,Nicolas Savoire <nicos@…>,Thomas Heller,"The following piece of code fails to compile with gcc-4.5:
{{{
#include <iostream>
#include <boost/range.hpp>
#include <boost/range/irange.hpp>
#include <boost/range/adaptors.hpp>
#include <boost/phoenix.hpp>

using namespace boost::phoenix::arg_names;
using namespace boost::adaptors;

int main()
{
  std::cout << *boost::begin(boost::irange(0,5) | transformed( arg1 +1));
}

}}}

The error is:
{{{
In file included from /usr/local/mkt-dev/src/boost_1_47_0_rc/boost/range/adaptor/transformed.hpp:16:0,
                 from /usr/local/mkt-dev/src/boost_1_47_0_rc/boost/range/adaptor/map.hpp:14,
                 from /usr/local/mkt-dev/src/boost_1_47_0_rc/boost/range/adaptors.hpp:20,
                 from test2.cpp:4:
/usr/local/mkt-dev/src/boost_1_47_0_rc/boost/iterator/transform_iterator.hpp: In member function ‘typename boost::detail::transform_iterator_base<UnaryFunc, Iterator, Reference, Value>::type::reference boost::transform_iterator<UnaryFunction, Iterator, Reference, Value>::dereference() const [with UnaryFunc = boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0l> >, Iterator = boost::range_detail::integer_iterator<int>, Reference = boost::use_default, Value = boost::use_default, typename boost::detail::transform_iterator_base<UnaryFunc, Iterator, Reference, Value>::type::reference = int&]’:
/usr/local/mkt-dev/src/boost_1_47_0_rc/boost/iterator/iterator_facade.hpp:517:32:   instantiated from ‘static typename Facade::reference boost::iterator_core_access::dereference(const Facade&) [with Facade = boost::transform_iterator<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0l> >, boost::range_detail::integer_iterator<int>, boost::use_default, boost::use_default>, typename Facade::reference = int&]’
/usr/local/mkt-dev/src/boost_1_47_0_rc/boost/iterator/iterator_facade.hpp:643:67:   instantiated from ‘reference boost::iterator_facade<I, V, TC, R, D>::operator*() const [with Derived = boost::transform_iterator<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0l> >, boost::range_detail::integer_iterator<int>, boost::use_default, boost::use_default>, Value = int, CategoryOrTraversal = boost::detail::iterator_category_with_traversal<std::input_iterator_tag, boost::random_access_traversal_tag>, Reference = int&, Difference = long int, reference = int&]’
test2.cpp:13:70:   instantiated from here
/usr/local/mkt-dev/src/boost_1_47_0_rc/boost/iterator/transform_iterator.hpp:121:31: error: invalid initialization of reference of type ‘int&’ from expression of type ‘const int’
}}}

It seems that result_of<arg1(int)> returns int& instead of int.
",Bugs,closed,Boost 1.47.0,phoenix,Boost 1.47.0,Regression,fixed,,