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Re: Re: Re: (Efficiency Golf) Triangular numbers

by Abigail (Deacon)
on May 31, 2001 at 18:51 UTC ( #84581=note: print w/ replies, xml ) Need Help??

in reply to Re: Re: (Efficiency Golf) Triangular numbers
in thread (Efficiency Golf) Triangular numbers

I used @seen {$n,} = (); and not $seen {$n} = undef; because I used the slice in the other case as well. I wanted to use as much identical syntax as possible, and didn't see a reason to special case adding a single key.

As for using a trailing comma, all I can say is that using -w is useful. If you use it, you'll see why the comma was used.

-- Abigail

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