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From: mjsilva697@earthlink.net (Mike Silva)
Newsgroups: comp.lang.ada
Subject: Re: Localized Variable Declaration
Date: 31 May 2002 12:00:13 -0700
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David Rasmussen <pinkfloydhomer@yahoo.com> wrote in message news:<3CF78D3D.3030400@yahoo.com>...
> So you can do the same in C++ as in Ada, and more. It's usually the 
> other way around. And usually Ada has a good reason for doing things 
> they way it does it. I just don't understand the justification for this 
> limitation. Consider this:
> 
> void something()
> {
>      cout << "Write two numbers: ";
>      int a;
>      cin >> a;
>      int b;
>      cin >> b;
>      double c = a * b * 42.42;
> }

Just as a matter of personal preference, I -hate- C++ code that has
variables shuffled in with code this way!  I find it extremely
difficult to read.  While I agree that forcing all variables to be
declared in one place is unnecessarily limiting, I personally find it
much more clear to declare -groups- of variables near where they will
be used (by corresponding -groups- of program statements), rather than
dropping them in one-by-one just before they are needed.  I think the
Ada way gives exactly the right fineness of conceptual granularity.

Mike