251         struct as_expr  struct
253             typedef typename Domain::template as_expr<T>::result_type type;  argument
621         struct as_expr  struct
631                 typedef typename Domain::template as_expr<T>::result_type type;
637                 typedef typename Domain::template as_expr<T>::result_type type;
645             typename add_const<typename result<as_expr(T &)>::type>::type
648                 return typename Domain::template as_expr<T>()(t);  in operator ()()
654             typename add_const<typename result<as_expr(T const &)>::type>::type
657                 return typename Domain::template as_expr<T const>()(t);  in operator ()()
662             typename add_const<typename result<as_expr(T (&)[N_])>::type>::type
665                 return typename Domain::template as_expr<T[N_]>()(t);  in operator ()()
669             typename add_const<typename result<as_expr(T const (&)[N_])>::type>::type
672                 return typename Domain::template as_expr<T const[N_]>()(t);  in operator ()()
938     typename add_const<typename result_of::as_expr<T, default_domain>::type>::type
939     as_expr(T &t BOOST_PROTO_DISABLE_IF_IS_CONST(T) BOOST_PROTO_DISABLE_IF_IS_FUNCTION(T))  in as_expr()  function
941         return default_domain::as_expr<T>()(t);  in as_expr()
947     typename add_const<typename result_of::as_expr<T const, default_domain>::type>::type
948     as_expr(T const &t)  in as_expr()  function
950         return default_domain::as_expr<T const>()(t);  in as_expr()
956     typename add_const<typename result_of::as_expr<T, Domain>::type>::type
957     as_expr(T &t BOOST_PROTO_DISABLE_IF_IS_CONST(T) BOOST_PROTO_DISABLE_IF_IS_FUNCTION(T))  in as_expr()  function
959         return typename Domain::template as_expr<T>()(t);  in as_expr()
965     typename add_const<typename result_of::as_expr<T const, Domain>::type>::type
966     as_expr(T const &t)  in as_expr()  function
968         return typename Domain::template as_expr<T const>()(t);  in as_expr()
1181     struct is_callable<functional::as_expr<Domain> >