SAP NEWS-740-EXPRESSIONS documentation, setup help and example usage

ARTICLE

Expressions and Functions in Release 7.40

1 Inline declarations
2 Constructor expressions
3 Table expressions
4 New predefined function ipow
5 Writable expressions


ABAP_MODIFICATION_1 Inline Declarations

The new declaration operators DATA and
FIELD-SYMBOL make inline declarations possible in
declaration expressions in
declaration positions .


ABAP_MODIFICATION_2 Constructor Expressions

A new type of expression, constructor expressions , uses constructor operators in general expression positions to construct results of specified types.
NEW creates objects
VALUE creates values
REF gets references
EXACT performs a lossless assignment or calculation
CONV converts values
CAST performs an up cast or down cast
COND and SWITCH enable conditional expressions


ABAP_MODIFICATION_3 Table Expressions

The new table expressions itab[ ... ]
permit reads to be performed on internal tables in operand positions.


ABAP_MODIFICATION_4 New Predefined Function ipow

The new integer power function ipow enables fields of any numerical type and with integer values to be raised to a power. The calculation type is determined by the base.


ABAP_MODIFICATION_5 Writable Expressions

Some expressions are writable expressions that can be specified in
result positions .