On 20 Jan 2011, at 14:40, michael rice wrote:
Maybe a better question would be which of these features,
*weren't* present at first launch?
The only obvious feature that was missing in 1990 was monads (at least
built-in support for them). Do-notation for instance was first
introduced by Mark Jones in Gofer (which later became Hugs), in
version 2.30, in June 1994.
Many of the specific monads (e.g. Software Transactional Memory)
necessarily came later as well, for obvious reasons.
Regards,
Malcolm
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