/* Default std_deque wrapper */
%rename(__getitem__) std::deque::getitem;
%rename(__setitem__) std::deque::setitem;
%rename(__delitem__) std::deque::delitem;
%rename(__getslice__) std::deque::getslice;
%rename(__setslice__) std::deque::setslice;
%rename(__delslice__) std::deque::delslice;
return (int) self->size();
void append(const T &x) {