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

From: Ion Gaztañaga (igaztanaga_at_[hidden])
Date: 2024-05-22 20:16:28

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

Best,

Ion