> For example, take UNIX nice levels -20 to 19. You could have
> data ConstrainedInteger = CI {distToMax :: Natural, distToMin :: Natural}
> this would ensure only the 40 integers can be represented.
> Then you could have _something_ that defined what happened on overflow,
> whether it wraps, reflects, errors, truncates or whatever.
Doesn't Ada have constrained number types which have similar behaviour?
--
burton samograd [EMAIL PROTECTED]
kruhft.blogspot.com www.myspace.com/kruhft metashell.blogspot.com
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