{"ast_node_type":"function","tokens":[{"end":100,"kind":"keyword","start":0,"text":"fn"}]}
    fn new(name: &'static str, node_labels: Trivial, edges: Vec<Edge>) -> LabelledGraphWithEscStrs {
impl LabelledGraphWithEscStrs {
        LabelledGraphWithEscStrs { graph: LabelledGraph::new(name, node_labels, edges, None) }