{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"if"}]}
                    if cx.tcx.find_field_index(ident, variant)
                if let PatKind::Binding(binding_annot, _, ident, None) = fieldpat.pat.kind {
                        == Some(cx.typeck_results().field_index(fieldpat.hir_id))