Re^5: Golf: Factorials

yes a bit from the original post: in fact:

perl -E "say$x*=$_ for++$x..3,0,1,-1"
1
2
6
0  # must be 1
0  # too
0  # must be undef or Error
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There are no rules, there are no thumbs..
Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.

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