SAP SOURCE CODE MODULAR - Guide

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Source Code Modularization

ABAP_BACKGROUND
The unit in ABAP that corresponds to a source code file capable of being inserted into another program is known as an include program. Include programs are used for source code modularization and are inserted into compilation units for this purpose. Include programs are not compilation units (which means they cannot be compiled as standalone programs), but can be activated and transported separately. The compilation units of include programs (such as class pools, interface pools, function pools, subroutine pools, or executable programs) are compilation units in