[m-rev.] for review: comparison of preds/funcs

[Fergus Henderson]

On 12-Apr-2002, Zoltan Somogyi <zs at cs.mu.OZ.AU> wrote:
> Second, using a global variable in this way is not
> a good idea. Although its performance impact can be neglected, the fact
> that it adds state to an algorithm that didn't have one before will complicate
> future maintenance.

In fact it's worse than just making maintenance harder, using a global
variable here is not threadsafe and so will break the current support
for multithreading.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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