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From: Victor Porton <porton@narod.ru>
Newsgroups: comp.lang.ada
Subject: Re: If a routine should return two results, how should it be done?
Date: Sat, 26 Jul 2014 23:44:33 +0300
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Date: 2014-07-26T23:44:33+03:00
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Victor Porton wrote:

> Victor Porton wrote:
> 
>> If a routine should return two results, how should it be done?
>> 
>> 1. procedure with two out arguments;
>> 
>> 2. function with one out argument;
>> 
>> 3. create specific record type for the result type of the function?
>> 
>> What are advantages and disadvantages of each variant?
> 
> After reading around in Internet, I am declined to the variant 3.
> 
> With variant 3 I need to create only one variable (or rather a constant),
> thus making the program a little shorter.
> 
> Hm, well, maybe implement BOTH 1 and 3?

This (variant 3) also reduces the likehood to confuse two variables of the 
same type.

And also with 3 I may need a constant instead of two variables, using 
constants is nice.

-- 
Victor Porton - http://portonvictor.org