{"ast_node_type":"function","tokens":[{"end":44,"kind":"keyword","start":0,"text":"fn"}]}
    fn visit(&mut self, block: BasicBlock) {
impl<'a, 'mir, 'tcx> DropsReachable<'a, 'mir, 'tcx> {
        let move_set_size = self.move_data.move_paths.len();