12 namespace boost {
namespace mpl {
namespace aux {
23 struct iter_fold_impl;
31 struct iter_fold_impl< 0,First,Last,State,ForwardOp >
141 ( (N - 4) < 0 ? 0 : N - 4 )
161 , typename mpl::next<First>::type
163 , typename apply2< ForwardOp,State,First >::type
174 struct iter_fold_impl< -1,Last,Last,State,ForwardOp >