[RFC] I/O and Buffer Range

[Jakob Ovrum]

On Friday, 17 January 2014 at 09:19:12 UTC, Kagamin wrote:
> On Thursday, 16 January 2014 at 15:55:07 UTC, Steven 
> Schveighoffer wrote:
>> I am thinking of this layout for streams/buffers:
>>
>> 1. Unbuffered stream used for raw i/o, based on a class 
>> hierarchy (which I have pretty much written)
>> 2. Buffer like you have, based on a struct, with specific 
>> primitives. It's job is to collect data from the underlying 
>> stream, and present it to consumers as a random-access buffer.
>
> If you have a struct-based buffer, how would you enlarge the 
> buffer? Won't it suffer from AA syndrome?

It is the lazily initialized nature of AAs that causes the 
problem. Structs can, but don't have to, replicate the behaviour.