On Friday, 12 February 2016 at 19:12:48 UTC, Andrei Alexandrescu
wrote:
* If the buffer is const, then the allocator must
conservatively assume it might have been immutable and
subsequently shared among threads. Therefore, several threads
may request the affix of the same buffer simultaneously. So it
returns a reference to a shared affix.
I understand the reasoning here, but I really dislike the idea of
`const` as a de-optimization. However, given the way that const
is used, I guess this wouldn't be much of a problem in practice
provided that some form of borrowing or inc/dec pair elision is
implemented.
