ABAP tricks #17/100: 😀 FOR - Iteration Expressions

The language element FOR introduces an iteration expression as a subexpression in constructor expressions 

Such expressions are possible in the following contexts:

•REDUCE: The reduction result is created in the iteration steps.

•NEW and VALUE: Used in the context of looping across internal tables. New table lines are created in the iteration steps and inserted into a target table.

With the language element FOR, you can carry out 

•conditional iterations have the semantics of ABAP statements DO and WHILE

•table iterations having the semantics of LOOP AT

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