Re: [container] Draft development plan for Boost.Container

From: Ion Gaztañaga (igaztanaga_at_[hidden])
Date: 2024-06-04 12:08:11

El 22/05/2024 a las 22:16, Ion Gaztañaga via Boost escribió:
> Hi,
> 
>>> C) Swap is similar to a double move assignment.
>>
>> The interesting situation is when one vector uses a dynamic buffer and 
>> the other one the internal buffer.
>> Currently swap allocates also a dynamic buffer for the vector with the 
>> internal buffer.
> 
> 
> Thanks for pointing this out. If the memory from the vector using the 
> dynamic buffer can be transferred (e.g. equal allocators or 
> propagate_on_container_swap is true), then we should avoid a new 
> allocation transferring elements to the internal buffer. I've updated 
> the issue:
> 
> https://github.com/boostorg/container/issues/279

The issues has been resolved. Now shrink_to_fit and swap should use the 
internal storage when appropriate ;-)

Best,

Ion