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From: Warren <ve3wwg@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada Smileys in C++ lib Conversion
Date: Wed, 18 Aug 2010 17:31:59 +0000 (UTC)
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Maciej Sobczak expounded in news:1b64e5c2-f3d5-41e9-99cb-70e92c074d33
@q22g2000yqm.googlegroups.com:

>> >> Further, the switch statement doesn't tell you about the
>> >> cases which are missing.
>>
>> > Try g++ -Wswitch.
>>
>> GCC extension.
> 
> No, it is not an extension. It is a compiler option.
> The language standard does not define what options the compiler should
> support, so it does not make much sense to declare that some option is
> an extension. All options are features of respective products and
> products compete by offering different sets of features.
...
>> Try it on HP or AIX C compiler.
> 
> And your point is?
> It is true that the language standard does not mandate such coverage
> check (unlike in Ada), but that does not make such analysis unfeasible
> or forbidden.

Now you understand my point, exactly.

Warren