buffered input

[Nick Sabalausky]

"Andrei Alexandrescu" <SeeWebsiteForEmail at erdani.org> wrote in message 
news:iimnm6$1m4a$2 at digitalmars.com...
> On 2/6/11 12:42 PM, spir wrote:
>> Also: could a (truely) circular buffer help & solve the above copy
>> problem, concretely?
>
> Not if you want infinite lookahead, which I think is what any modern 
> buffering system should offer.
>

Agreed, but not everything always needs infinite lookahead. And sometimes 
space guarantees are important.