public final <U1> Tuple12<U1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> map1(Function<? super T1, ? extends U1> function) {
        return Tuple.tuple(function.apply(v1), v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12);
    }
Apply attribute 1 as argument to a function and return a new tuple with the substituted argument.
jOOL/src/main/java/org/jooq/lambda/tuple/Tuple12.java