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NNTP-Posting-Date: Mon, 16 Aug 2010 07:01:00 -0500
From: Brian Drummond <brian_drummond@btconnect.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada Smileys in C++ lib Conversion
Date: Mon, 16 Aug 2010 13:08:29 +0100
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Date: 2010-08-16T13:08:29+01:00
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On Sun, 15 Aug 2010 03:04:54 -0700 (PDT), Maciej Sobczak
<see.my.homepage@gmail.com> wrote:

>On 15 Sie, 03:16, Brian Drummond <brian_drumm...@btconnect.com> wrote:
>
>> >Yes, this is a good practice. It is better to avoid using preprocessor
>> >for anything other than so called include guards.
>>
>> Except when the result doesn't work!
>
>If the result of *not* using preprocessor doesn't work, then with
>preprocessor it would be even worse.

>Example, please. Example that shows that I cannot use const object
>where constant is expected.
>
>(Hint: there are some *very* obscure corner cases with templates, but
>if you are there already, you are screwed anyway.)

>> In this instance I wanted to declare an array whose size was the constant
>> expression in question.
>
>const int size = 7;
>int array[size];

error: variably modifed 'array' at file scope

- Brian