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ABENFUNCTIONS_EXPRESSIONS - FUNCTIONS EXPRESSIONS

BAL Application Log Documentation   ROGBILLS - Synchronize billing plans  
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Functions and Expressions for Operand Positions

Write Positions

The following expressions can be specified in write positions:

• Declaration expressions

• ... DATA(...) ...

• ... FINAL(...) ...

• ... FIELD-SYMBOL(...) ...

• Writable expressions

• The constructor expressions NEW class( ... )->attr and CAST type( ... )->dobj

• Table expressions itab[ ... ] and their chainings

Read Positions

Functions that can be specified in a read position include the following:

• Built-in functions

... func( arg ) ...
... ... func( val = arg p1 = arg1 p2 = arg2 ... ) ...

• Functional methods

... meth( ) ...
... meth( a ) ...
... meth( p1 = a1 p2 = a2 ... ) ...
... meth( $[EXPORTING  p1 = a1 p2 = a2 ...$]
          $[IMPORTING  p1 = a1 p2 = a2 ...$]
          $[CHANGING   p1 = a1 p2 = a2 ...$] ) ...

• Method chaining

• Chained method call:

... ...->meth1( ... )->meth2( ... )->...->meth( ... ) ...

• Chained attribute access:

... ...->meth1( ... )->meth2( ... )->...->attr ...

The following expressions can be specified in read positions:

• Calculation expressions:

• Arithmetic expressions

... arith_exp ...

• Bit expressions

... bit_exp ...

• String Expressions

... string_exp ...

• Constructor expressions:

• Instance operator

NEW

• Value operator

VALUE

• Conversion operator

CONV

• Component operator CORRESPONDING

• Casting operator

CAST

• Reference operator

REF

• Lossless operator

EXACT

• Reduction operator

REDUCE

• Filter operator

FILTER

• Conditional operator

COND, SWITCH

• Table expressions itab[ ... ] and their chainings

Notes

• Functions with numeric return values and arithmetic expressions are summarized as numeric expressions.

• Functions with character-like return values and string expressions are summarized as character-like expressions.

• Functions with a byte-like return values and bit expressions are summarized as byte-like expressions.

Numeric expression used for specification of a table index for an internal table.

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