Tom_Good1 at excite.com
Tue Jul 24 19:24:13 CEST 2001
Duncan Booth <duncan at NOSPAMrcp.co.uk> wrote in message news:
> As I originally wrote it the return stopped it executing the main body and
> attempting to permute a 0 length sequence. Since I had written it so that
> permuting a 0 length sequence gave no permutations, this meant the return
> simply cut out a lot of code that had no net result. However, once it is
> fixed to correctly return one permutation of an empty sequence the return
> becomes essential.
Ah, OK. With the new test, the return matters for sequences of length 1.
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