On 20-Oct-1999, Marcin 'Qrczak' Kowalczyk <[EMAIL PROTECTED]> wrote:
> Tue, 19 Oct 1999 17:17:32 +0200, George Russell <[EMAIL PROTECTED]> pisze:
> 
> > Have types all instances of TimeDiff
> >    TimeDiff = TimeDiff Integer -- time in picoseconds
> >    TimeDiffDays = TimeDiffDays Int -- time in days
> >    TimeDiffMonths = TimeDiffMonths Int -- time in months
> 
> So you can have a difference of 3 months (whatever it means),
> or 14 days, but you can't have 3 months + 14 days?

Note that 3 months + 14 days is not the same as 14 days + 3 months.
(E.g. Sept 17 + 3 months + 14 days = Dec 17 + 14 days = Dec 31,
but   Sept 17 + 14 days + 3 months = Oct 1 + 3 months = Jan 1.)

-- 
Fergus Henderson <[EMAIL PROTECTED]>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
PGP: finger [EMAIL PROTECTED]        |     -- the last words of T. S. Garp.

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