{"ast_node_type":"function","tokens":[{"end":72,"kind":"keyword","start":0,"text":"fn"}]}
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
impl<N: AstNode> std::fmt::Debug for AstPtr<N> {
        f.debug_tuple("AstPtr").field(&self.raw).finish()