syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"assert_ne!(edit_distance(\"abde\","}]}
source_snippet:     assert_ne!(edit_distance("abde", "bcaed", usize::MAX), Some(3));
context_before:     // Not unrestricted Damerau-Levenshtein distance.
context_after:     // The current implementation is a restricted Damerau-Levenshtein distance.