Re: [boost] Clang: Open-source C/C++ front end under development

From: David Abrahams (dave_at_[hidden])
Date: 2007-09-03 11:52:07

on Sun Sep 02 2007, "David A. Greene" <greened-AT-obbligato.org> wrote:

> Bo Persson wrote:
>> :: &a[0];
>> ::
>> :: The C++ community promotes std::vector as a C array replacement,
>> :: but
>> :: it's really not because it's not legal to do the above operation
>> :: when
>> :: the vector is empty.
>>
>> That's just a misuse of the std::vector. You never, ever get the idea 
>> of taking the address of an empty array. Why attempt that on an empty 
>> vector??
>>   
>
> Dunno what you mean by "get the idea of taking the address," but
> this is a perfectly reasonable thing to do in C.  

Writing x[n] is undefined behavior in C++ whenever n >= the length of
the array.  Is C different in that regard?

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com
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