Re: [boost] Interest check: container with preallocated buffer

Subject: Re: [boost] Interest check: container with preallocated buffer
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2009-06-01 09:19:08

Dmitry Vinogradov skrev:
> Thorsten Ottosen wrote:
>> Dmitry Vinogradov skrev:
>>> Boost.Array offers constant size container with preallocated buffer, 
>>> Boost.Optional provides from zero to one element. There are no STL 
>>> container with preallocated buffer and it seems custom allocator does 
>>> not help to do this with existing containers.
>>>
>>> Does any container exist to offer functionality like Boost.Array but 
>>> allowing to store from 0 to N elements? Is there any interest in such 
>>> container?
>>>
>>> PS. It's similar to fixed_string but as a generic container.
>>
>> Please see
>>
>> http://www.cs.aau.dk/~nesotto/boost/auto_buffer.zip
>>
>> http://www.cs.aau.dk/~nesotto/boost/trunk/libs/auto_buffer/doc/html/
> 
> 
> By the way, you can use boost::serialization::array to serialize 
> contained data.
> http://www.boost.org/doc/libs/1_39_0/libs/serialization/doc/wrappers.html#arrays 

No, I was looking for the optimized code without really finding it. Thanks.

> And, is it really needed to serialize capacity? (named "count"?!) I 
> think it's unnecessary thing. Boost.Serialization library does not 
> serialize capacity for standard containers.

Ok. I can avoid that.

-Thorsten