[EMAIL PROTECTED] wrote:
No. I mean by the "Haskell language" what is described in
the Haskell 98 Report. unsafePerformIO is not part of the language,
it is a value defined by one of the standard hierarchical libraries.
unsafePerformIO is part of the FFI addendum to the H98 report. So I
think it counts as being part of "the Haskell language" by any reasonable
sense of that phrase.
Well, I don't. unsafePerformIO is an extension that is very much
against the spirit of Haskell. Haskell with it does not have the
properties I want. So I don't use it. :)
I think any addition that breaks the semantics of the language
should be very clearly labelled as such.
-- Lennart
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