SAP OO OBS STRUCTURE 1 documentation, setup help and example usage

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No Obsolete Casting in FIELD-SYMBOLS

In ABAP Objects the STRUCTURE addition is not allowed in the
FIELD-SYMBOLS statement.

In ABAP Objects, the following statement causes an error message:

FIELD-SYMBOLS fs STRUCTURE struc DEFAULT f.

Correct syntax:

FIELD-SYMBOLS fs TYPE|LIKE struc.

ASSIGN f TO fs CASTING.

Reason:

Field symbols defined with the STRUCTURE addition are a mixture of field symbols whose type is defined and a tool for casting on data types defined in the ABAP Dictionary or locally in the program. The
types of field symbols are defined with the TYPE addition of the FIELD-SYMBOLS statement and the CASTING addition of the ASSIGN statement can be used for the casting.