[Haskell-cafe] Alternate instance Show (Maybe a)?
Sergey Zaharchenko
doublef-ctm at yandex.ru
Sun Feb 4 02:49:07 EST 2007
Hello Yitzchak!
Sat, Feb 03, 2007 at 07:54:17PM +0200 you wrote:
> Show instances are supposed to follow the convention that
> "show x" is a Haskell expression that recreates x. In other words,
> Show is mainly used for debugging, for simple serialization, and
> for interactive use in a Haskell shell like ghci or hugs.
>
> If you need to create strings from a datatype for some other
> reason, use a different function name. If you need to do it
> for several datatypes, create your own class.
Yes, I think another Show-like class will probably be a better
solution...
Thanks Yitzchak and Bjorn,
--
DoubleF
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