Includes Proto callable boost::proto::functional::push_front. A PolymorphicFunctionObject type that invokes the fusion::push_front() algorithm on its arguments. A PolymorphicFunctionObject type that invokes the fusion::push_front() algorithm on its arguments. proto::callable This(Seq, T) fusion::result_of::push_front< typename boost::add_const<typename boost::remove_reference<Seq>::type>::type , typename boost::remove_const<typename boost::remove_reference<T>::type>::type > typename fusion::result_of::push_front< Seq const, T >::type Seq const & T const & fusion::push_front(seq, t)