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From: chrisb@hubcap.clemson.edu (Chris Behrens)
Newsgroups: comp.lang.pascal
Subject: How to use optional procedure params in TP 4.0
Message-ID: <8318@hubcap.clemson.edu>
Date: 12 Mar 90 00:06:22 GMT
Organization: Clemson University, Clemson, SC
Lines: 17

I have scoured the FM (from "RTFM") and have not found how to write a
procedure using optional parameters.  What I mean by optional parameters
can best be described by an example. The given procedure INC, or
increment, takes as params an integer to be incremented, and a value
which is optional to use as the offset to add to the integer. 
i.e.  INC(value)   is  value := value + 1
and   INC(value,offset)   is value := value + offset.

Now, how can I write my own procedure which uses optional params ???
Maybe something like ADD which will take any number of params and add
them : ADD(ans,val1,val2,...,valx)  or ADD(ans,val1,val2,...,valx,valx+1).
Where ans is the sum of val1+val2...valx.  
Is this clear ???    Any help appreciated !!! 
(P.S. This is NOT a class assignment. :-) )

Chris Behrens   
ChrisB@Hubcap.Clemson.Edu