[EMAIL PROTECTED] wrote,
> thanks for the help. Yes, i read the user docs for "earlier, faster,
> thriftier, smaller ..." or a permutation of this,
> but i do not _really_ remember from my university time what strict
> functions are. Is by strict meant as in Formal OO that
> a function is trict iff its result is _|_ iff any of its arguments is _|_ ?
Yes, that's it. In your code, you know that the values are
needed eventually; hence, there is no need to expend energy
on suspending some of the computations. Moreover, you get a
more efficient data representation.
> I will try to use
>
> data Genauigkeit = Absolut {wert, intervall :: !Double}
> | Intervall !Double
>
> is that what you meant?
Yes.
Good luck,
Manuel
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