Re: Scope of variables and subprocedures.

>Date: Mon, 13 Dec 1999 15:29:50 -0800
>From: "Peter Dow" <pcdow@yahoo.com>
>...
>> - scoped names within data structures so you can have subfield A in
>>   two different data structures
>
>How do you envision this working? If you're thinking of something like
>COBOL, then references to subfield A would have to be qualified with the
>data structure name. If that's what you're thinking of, RPG already has it
>to some degree with the PREFIX() keyword.

To some degree, yes, but only for externally-described data structures.
I indeed envision it something like COBOL or C, where references would be
qualified with the data structure name.

>> - variable-type in prototyped parameters

>What does this mean? Passing fieldA as alpha one time, then as numeric the
>next?

Sort of.  More a matter of passing alpha fieldA as a parameter to some
procedure one time, and then passing numeric fieldN as a parameter
to the same procedure the next time.

Barbara Morris


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