packages with orphaned instances only

Ivan Lazar Miljenovic ivan.miljenovic at
Sat Jan 8 22:39:27 CET 2011

On 9 January 2011 07:20, Henning Thielemann
<lemming at> wrote:
> If there are multiple equally natural instances, then there should not
> be one at all.

It depends what you mean.  In my case, I wanted the String instance
for Arbitrary to follow certain rules (can't be the textual
representation of a number, can't have certain characters in it,

Ivan Lazar Miljenovic
Ivan.Miljenovic at

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