You could also provide data as XML or JSON objects - which is just a string
input for a REXX function.

No matter of theology - just what kind of data you have and what makes
sense.

Best regards
Mike

-----Urspr√ľngliche Nachricht-----
Von: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> Im Auftrag von
Charles Mills
Gesendet: 10 April, 2018 19:12
An: IBM-MAIN@LISTSERV.UA.EDU
Betreff: Re: Theology (was: Many arguments to a Rexx function call)

I don't think there is a theological boundary: 7 arguments good, 8 arguments
bad.

Your example strikes me as pretty clear. OTOH

Myfunc(true, true, false, true, false, false)

is probably a bug waiting to happen, and it has only six arguments.

Charles


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Phil Smith III
Sent: Tuesday, April 10, 2018 12:24 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Theology (was: Many arguments to a Rexx function call)

David Crayford:

>If the code doesn't have to be supported by a human then you might be
right. 

>If it does then nope! Code that is generated by a program is usually 
>the

>output of a compiler that generates object code that we generally don't

>care about until we need to debug it. If a program generates REXX code 
>then

>it should generate good REXX code that doesn't have telescoping 
>function
arguments.

 

As a theological discussion, I find this interesting. Our case is like this
(and isn't Rexx, though it could be):

 

rc = somefunction(tuplecount, elementcount,

     thing1, data1, length1,

     thing2, data2, length2,

     thing3, data3, length3,

     thingn, datan, lengthn)

 

The tuplecount is the number of these triplets, and the elementcount is the
number of things in each datan. You can have up to 100 of these tuples.

 

Does that offend your sensibilities? I'm honestly curious-I generally agree
100% with your statement, but this feels like a maybe-exception.

 

If it helps, note that in this instance, each of the tuples are
different-that is, it's not like they could be combined, as they're pointing
to different data types of different lengths. And there is also an API that
handles essentially one item:

 

rc = somefunction(thing, data, length)

 

Obviously the same idea as the first one with tuplecount and elementcount
both set to 1.

 

I've been doing this for almost 40 years, but am not a Computer Science
graduate by any means, so I'm always interested in the theology behind this
stuff, and where it does and doesn't apply.

 

Cheers,

 

.phsiii


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