{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"if"}]}
            if is_nan(cx, l) || is_nan(cx, r) =>
        hir::BinOpKind::Lt | hir::BinOpKind::Le | hir::BinOpKind::Gt | hir::BinOpKind::Ge
        {