syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:     for c in (0..char::MAX as u32).filter_map(char::from_u32).map(|i| i.to_string()) {
context_before:     // Test bytelength agnosticity
context_after:         assert_eq!(edit_distance(&c[..], &c[..], usize::MAX), Some(0));