syntax_data: {"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"start_of_next_point.checked_add(width).unwrap_or(start_of_next_point);"}]}
source_snippet:             start_of_next_point.checked_add(width).unwrap_or(start_of_next_point);
context_before:         let end_of_next_point =