syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"format!(\"`{}`"}]}
source_snippet:             format!("`{}` and {} more", head.join("`, `"), tail.len())
context_before:             let head: Vec<_> = head.iter().map(pat_to_str).collect();
context_after:         }