public final <U7> Tuple9<T1, T2, T3, T4, T5, T6, U7, T8, T9> map7(Function<? super T7, ? extends U7> function) {
        return Tuple.tuple(v1, v2, v3, v4, v5, v6, function.apply(v7), v8, v9);
    }
Apply attribute 7 as argument to a function and return a new tuple with the substituted argument.
jOOL/src/main/java/org/jooq/lambda/tuple/Tuple9.java