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pietro909/SLISW-IO-2.4.io

Created May 10, 2016 20:10
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SLISW - IO - 2.4
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SLISW-IO-2.4.io
l = list(1,2,3,4,5)
l average := method(
s := self size;
if(
size==0,
0,
self reduce(+) / size
)
)
l average # => 3
l = list()
l average # => 0
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