Re: [Boost-users] [scoped_array] and boost::begin()

Subject: Re: [Boost-users] [scoped_array] and boost::begin()
From: Robert Jones (robertgbjones_at_[hidden])
Date: 2009-08-21 09:55:05

On Fri, Aug 21, 2009 at 2:44 PM, Steven Watanabe <watanabesj_at_[hidden]>wrote:

> AMDG
>
> Robert Jones wrote:
>
>> On Fri, Aug 21, 2009 at 2:15 PM, Steven Watanabe <watanabesj_at_[hidden]
>> >wrote:
>>
>>
>>> Robert Jones wrote:
>>>
>>>
>>>> I am shocked to discover that boost::begin() etc, does not seem to
>>>> work for boost::scoped_array.
>>>>
>>>> Is there a reason for this?
>>>>
>>>>
>>>>
>>>>
>>> How would boost::end be implemented?
>>> boost::scoped_array doesn't know the size of the array.
>>>
>>>
>>
>> Quite. So there would seem to be quite a bit of benefit to having
>> scoped_array hold its
>> own size. I guess the objection might be that it makes scoped_array bigger
>> than a c-array,
>> but the difference is pretty small.
>>
>>
>
> But if you don't care about small differences, why use
> scoped_array instead of std::vector?

Good point - and a killer argument, which I should have thought of, but
didn't because
I didn't write the code from scratch.

Thanks muchly!

- Rob.