RE: [Jprogramming] Puzzle: Stop and go sums

[Miller, Raul D]

R.E. Boss wrote:
> Why is
> 
>    ([EMAIL PROTECTED])
> |domain error
> |   (    [EMAIL PROTECTED])

0 is an unboxed noun:

   0`''
0
   +`''
+-+
|+|
+-+

-- 
Raul

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