Mon, 10 Jul 2000 09:26:19 -0700, Simon Peyton-Jones <[EMAIL PROTECTED]> pisze:
> Bottom line: I don't like it either, but I don't think it's a typo.
> Feel free to suggest a typo-level of improvement!
It's not typo-level, but maybe the right way for future is to decouple
sequences created by [foo,bar..baz] etc. from the conversions between Int.
A disadvantage is that sequencing functions would no longer be produced
automatically by default method implementations. It's not the only case
where something like this would be convenient:
arithSeqUsingEnum:: Enum a => ArithSeq a where
arithSeqFrom a0 = map toEnum [fromEnum a0..]
arithSeqFromTo a0 an = map toEnum [fromEnum a0..fromEnum an]
arithSeqFromThen a0 a1 = map toEnum [fromEnum a0, fromEnum a1..]
arithSeqFromThenTo a0 a1 an = map toEnum [fromEnum a0, fromEmum a1..fromEnum an]
instance ArithSeq Char where
arithSeqUsingEnum
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