in reply to Re: Re: (jeffa) Re: permutation understanding
in thread permutation understanding

Er, what he means is, you want to test for definedness....

..Jon

Update - you're right Anonymous. Mea culpa. My embarrassed apologies to all. )c:

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Re: Re: Re: Re: (jeffa) Re: permutation understanding
by Anonymous Monk on May 25, 2002 at 22:07 UTC

    Testing with defined would be "infinitely" worse than either the simple true/false test which has a potential off-by-one error or the broken usage of exists. Please test your suggested "fixes".