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From: rhairgroveNoSpam@Pleasebigfoot.com (Bob Hairgrove)
Newsgroups: comp.std.c++,comp.lang.c++.moderated
Subject: Re: Unsignedness of size_t
Date: 2 May 2002 22:01:50 GMT
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On 1 May 2002 21:57:05 GMT, jpotter@falcon.lhup.edu (John Potter)
wrote:

>
>On 29 Apr 2002 22:41:31 GMT, rhairgroveNoSpam@Pleasebigfoot.com (Bob
>Hairgrove) wrote:
>
>> As to arithmetic, can you give an example where it would be wise (or
>> even necessary) to mix signed and unsigned values?
>
>Neither wise nor necessary, but common.
>   vector<C> v;
>   ...
>   for (int x = 0; x != v.size(); ++ x)
>
>I'm sure that you always write
>   for (vector<C>::size_type u = 0; u != v.size(); ++ u)
>and
>   v.begin() + x
>but never
>   v.begin() + u
>

No, actually I would do this instead:

   vector<C> v;
   for (vector<C>::iterator it = v.begin(); it != v.end(); ++it)


Bob Hairgrove
rhairgroveNoSpam@Pleasebigfoot.com



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