Re: BOOL array
Re: BOOL array
- Subject: Re: BOOL array
- From: "Clark Cox" <email@hidden>
- Date: Thu, 11 Sep 2008 08:46:28 -0700
On Thu, Sep 11, 2008 at 6:22 AM, dreamcat7 <email@hidden> wrote:
>
> On 11 Sep 2008, at 13:08, Jean-Daniel Dupas wrote:
>>
>> That's fine if you love to reinvent the wheel, but that exactly the
>> interface provided by CFMutableBitVector.
>>
>> CFBitVectorCreateMutable()
>> CFBitVectorSetBitAtIndex()
>> CFBitVectorGetBitAtIndex()
>>
>>
>> And it probably does it better as it will not waste 7 bits for each
>> option.
>>
>
> No, in a CFBitVector there is 4-bytes for each bit.
Not true. Internally, CFBitVector only uses 1 bit per bit. It's only
the parameter types that are 4-bytes (which makes sense as they are
passed in registers anyway).
--
Clark S. Cox III
email@hidden
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden