From: John Nagle (nagle_at_[hidden])
Date: 2004-05-26 14:41:28
Since space for a trailing null is required, the
minimum "capacity" is currently 1.
The maximum value for "size()" is then "capacity()-1".
That seems a little wierd. Should the trailing null be
counted in "capacity?"
Rob Stewart wrote:
> From: "Reece Dunn" <msclrhd_at_[hidden]>
>>Rob Stewart wrote:
>>>From: "Reece Dunn" <msclrhd_at_[hidden]>
>>>>Rob Stewart wrote:
>>>>>* Should fixed_string support zero-length strings?
>>>>You can have zero-length strings in my implementation (this is what
>>>>fized_string() defaults to). What you *can't* have is a zero-*capacity*
>>>>string, which is the same as CharT[ 0 ].
>>>I did mean zero-capacity. I didn't look at your implementation
>>>at this point, but I did notice that John's class declares a size
>>>N array, so for N == 0, his would fail to compile. Is the same
>>>true of yours?
>>yup. With mine, you'll also get an additional error, e.g.:
>> fixed_string.hpp(101) : error C2039: 'value' : is not a member of
>>Is there any reason you'd want a zero-capacity buffer?
> My only thought was generic code that might be called upon to use
> a zero-capacity string. Such a string wouldn't be of much use,
> of course, so it is probably best to disallow it. I just wasn't
> sure whether yours would disallow it.
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