> Also, this use of head could explode on us, as I don't see us having > trapped the null case anywhere. Seems that we could do this just as > well with a pattern match
I just realised while brushing my teeth: you catch the null case with the length < 10 warning :-) But that said, it still may be a good idea to have it checked on compile time. Thanks! PS. completely useless remark: it's snowing in Brighton! Lots! -- Eric Kow <http://www.nltg.brighton.ac.uk/home/Eric.Kow> PGP Key ID: 08AC04F9
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