With identical matching, you must specify the attributes needed to define the parameter (at least Type, Internal Type for numeric and date, and Characters/Digits). CA Ideal checks that the corresponding data item in the calling program has the same attributes.
Identical matching allows CA Ideal to generate more efficient code at compile time because the field attributes are already known. In addition, you must define group parameters with identical matching to use in several CA Ideal contexts. See the MOVE and SET statements and conditional expressions.
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