syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"Err(error_reported)"}]}
source_snippet:         Err(error_reported) => construct_error(tcx, def, error_reported),
context_before:     let body = match tcx.thir_body(def) {
context_after:         Ok((thir, expr)) => {