[R6RS] Re: Zapping SET-CAR! & SET-CDR!

[R. Kent Dybvig]

> > Kent> Thus, having some mutable and some immutable pairs holds no attraction
> > Kent> for me.

> > I would think a GC could do quite a bit with immutable pairs, no?

> Depending on the collector, there could certainly be some savings,
> but not, in my view, enough to offset the added complexity.

That is to say the added complexity of having both mutable and immutable
pairs.

Kent