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Writer Positions

In a writer position, the content of the operand is changed when the statement is executed. Only modifiable data objects (that is, no literals, text symbols, constants, or non-modifiable formal parameters) can be specified as follows in writer positions:

Writer-only positions, where an operand is overwritten without being read, and writer positions where an operand is read and written are both available.

Note

Certain expressions can also be specified in some writer positions.