{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"hir_def::hir::BinaryOp::CmpOp(op)"}]}
                            hir_def::hir::BinaryOp::CmpOp(op) => BinOp::from(op),
                            hir_def::hir::BinaryOp::ArithOp(op) => BinOp::from(op),
                            hir_def::hir::BinaryOp::Assignment { .. } => unreachable!(), // handled above