Right after allocators: containers or database connectivity?

[Vladimir Panteleev via Digitalmars-d]

On Tuesday, 9 June 2015 at 21:53:55 UTC, Andrei Alexandrescu 
wrote:
> Also, I think we should stay with libc-based I/O.

Um, won't this mean that the library then won't be usable by any 
application that will want to do more than a few simultaneous 
queries? Database engines usually concentrate on concurrency, not 
latency, so non-asynchronous I/O is only adequate for simple 
programs.