From: James Edward Gray II <james@...>
Date: 2007-02-14T03:04:40+09:00
Subject: Re: One-Liners (#113)

On Feb 13, 2007, at 11:56 AM, Robert Dober wrote:

> On 2/13/07, James Edward Gray II <james@grayproductions.net> wrote:
>>
>> On Feb 13, 2007, at 11:10 AM, Ken Bloom wrote:
>>
>> >>>> Hash.new{|h, n| n==1 ? [1] : [n] + h[n%2 == 0 ? n/2 : n*3+1] }
>> >>>> [quiz]
>> >>> Kudos on the memoizing wondrous number, btw. :)
>> >> It's not actually.  I never assign the Hash value.  ;)
>> >
>> > So it's equivalent to:
>> > (h=lambda {|n| n==1 ? [1] : [n] + h[n%2 == 0 ? n/2 : n*3+1] })[23]
>>
>> Exactly.
>>
>> James Edward Gray II
>
>
> That really puts the spotlight on it,  this will go away  in  2.0  
> though if
> I understand correctly :) and one would need to write:
>
> (h=lambda {|n,lmb| n==1 ? [1] : [n] + h[n%2 == 0 ? n/2 : n*3 
> +1,lmb] })[23,h]
>
>
> is that right?

Hmm, I wasn't aware of this.  What makes you say that?

James Edward Gray II