func (l Lattice) BOSNode() Node { return Node{node: C.mecab_lattice_get_bos_node(l.lattice)} }
// BosNode is a method to return a bos(begin of sentence) node func (l *Lattice) BosNode() (*Node, error) { return newNode(C.mecab_lattice_get_bos_node(l.toMecabLatticeT())) }