RFC: general sequences

[Tomasz Zielonka]

On Mon, May 23, 2005 at 10:28:29PM +0200, Benjamin Franksen wrote:
> > And can you compare quickly it with Data.Queue? It also appears to be
> > constant time, but has a lot less operations, does it win you
> > anything over your sequences or is Data.Queue strictly inferior.
> 
> I think the main difference is that Data.Queue is asymmetric, i.e. 
> constant time enQueueing on one side, constant time deQueueing on the 
> other side, whereas Data.Seq is symmetric, i.e. elements can be added 
> to and taken from at both ends in constant time.

I think what John wants to say is that Data.Queue is unneccesary unless
it is more efficient than Data.Seq used as a queue.

Best regards
Tomasz