On Thu, 06 Dec 2018 07:05:03 -0600,
'Paulo Matos' via Racket Users wrote:
> On 05/12/2018 11:55, Tony Garnock-Jones wrote:
> > I suspect it will be slow because sets are generics, and generics are
> > slow. 
> I am curious now. How slow? Why? Do you have any data backing this up?
> Generics are very useful, I would be very disappointed if they are
> indeed very slow.

For what it's worth, I seem to recall that generics, while they do
introduce indirection, and not particularly costly on their own.

Contracts for generics, though, which the set library is using, are
really costly.


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