syntax_data: {"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"redundant_subpats.sort_unstable_by_key(|(pat,"}]}
source_snippet:                 redundant_subpats.sort_unstable_by_key(|(pat, _)| pat.data().span);
context_before:                 // Emit lints in the order in which they occur in the file.
context_after:                 for (pat, explanation) in redundant_subpats {