#ifndef BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED #define BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED // Copyright Aleksey Gurtovoy 2000-2004 // // 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) // // See http://www.boost.org/libs/mpl for documentation. // $Id: transform_iter.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ // $Revision: 49267 $ #include <boost/mpl/apply.hpp> #include <boost/mpl/iterator_tags.hpp> #include <boost/mpl/next.hpp> #include <boost/mpl/deref.hpp> #include <boost/mpl/aux_/lambda_spec.hpp> #include <boost/mpl/aux_/config/ctps.hpp> #include <boost/type_traits/is_same.hpp> namespace boost { namespace mpl { namespace aux { #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) template< typename Iterator , typename LastIterator , typename F > struct transform_iter { typedef Iterator base; typedef forward_iterator_tag category; typedef transform_iter< typename mpl::next<base>::type,LastIterator,F > next; typedef typename apply1< F , typename deref<base>::type >::type type; }; template< typename LastIterator , typename F > struct transform_iter< LastIterator,LastIterator,F > { typedef LastIterator base; typedef forward_iterator_tag category; }; #else template< typename Iterator , typename LastIterator , typename F > struct transform_iter; template< bool > struct transform_iter_impl { template< typename Iterator , typename LastIterator , typename F > struct result_ { typedef Iterator base; typedef forward_iterator_tag category; typedef transform_iter< typename mpl::next<Iterator>::type,LastIterator,F > next; typedef typename apply1< F , typename deref<Iterator>::type >::type type; }; }; template<> struct transform_iter_impl<true> { template< typename Iterator , typename LastIterator , typename F > struct result_ { typedef Iterator base; typedef forward_iterator_tag category; }; }; template< typename Iterator , typename LastIterator , typename F > struct transform_iter : transform_iter_impl< ::boost::is_same<Iterator,LastIterator>::value >::template result_< Iterator,LastIterator,F > { }; #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION } // namespace aux BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(3, aux::transform_iter) }} #endif // BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED