ABAP_DESCRIPTION This example demonstrates the following simple iterations, which can be used to construct elementary data objects and directly display them in a constructor expression using the reduction operator REDUCE>>:
The first expression constructs a value of the type i> for which the total of the iteration variable n> is calculated. n> is numeric, which means that THEN> does not have to be specified. Each iteration step increases the value of n> by 1.
The second expression uses the same iteration as the first, but constructs a text string to which each iteration step appends the ch aracter representation of n>.
Like the second expression, the third expression constructs a text string, but uses the addition THEN> explicitly to decrement the iteration variable instead of incrementing it.
Finally, the fourth expression shows that the iteration variable does not have to be numeric. In this case, THEN> must be specified explicitly with a suitable expression. Here, a text string is made longer until it has reached a specific size.