Re: Declaring a field that is also an out parameter in a function

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From: David G. Johnston <[email protected]>
To: Michael Nolan <[email protected]>
Cc: Pavel Stehule <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Declaring a field that is also an out parameter in a function
Date: Sun, 7 Jul 2024 07:47:15 -0700
Message-ID: <CAKFQuwYnbcoHHeH6mqgsMJoMAR01YGLutpw3O3XaJ-ZSjNWdDg@mail.gmail.com> (raw)
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On Sunday, July 7, 2024, Michael Nolan <[email protected]> wrote:

> On Sun, Jul 7, 2024 at 4:13 AM Pavel Stehule <[email protected]>
> wrote:
> >
> > but looks so there are false alarms related to using an alias. It is
> interesting so I have not any report about this issue, so probably using
> aliases is not too common today.
>
> I'm not sure why there's a warning about using an alias. 43.3.1 says
> to use them for improved readability.
>
>
Mostly because you should just name variables correctly the first time.  It
improves readability if you use $n parameter names, which you should not.
As noted in 43.3.2, sometimes you don’t have a choice, though new and old
aren’t usually problematic enough to warrant aliasing.

David J.

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