Tim Chevalier wrote:
I don't think there's a deep theoretical reason why this doesn't
exist, but I also don't think it's necessarily *just* a matter of no
one having had time yet. As always, there are trade-offs involved, and
people try to avoid introducing *too* many special cases into the
compiler.
Well, that sounds like a reasonable answer.
ByteString is a special case. I'm just wondering how much of it is
really specific to the string / binary processing case, and how much of
it will generalise to other useful places. ;-)
(Mathematicians like to ask "interesting" questions. Unfortunately, at
least in mathematics, "interesting" tends to correlate with "this may
take several human lifetimes to solve"...)
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