From: Logan Capaldo <logancapaldo@...>
Date: 2006-04-15T00:15:56+09:00
Subject: Re: map_if, collect_if ???

--Apple-Mail-12--783174277
Content-Transfer-Encoding: 7bit
Content-Type: text/plain;
	charset=US-ASCII;
	delsp=yes;
	format=flowed


On Apr 14, 2006, at 11:07 AM, Stephan Mueller wrote:

> I don't get it: why is i[0] == 1 returning true in case i is an  
> integer
> with an odd value?
>
>
> Thanks & cheers,
>
> Steph.
>

For integers [] gives you the value of the bit at the given index.  
All odd integers will have an LSB of 1
i.e.
1 -> 0b001
2 -> 0b010 # even
3 -> 0b011 #odd
4 -> 0b100 #even
5 -> 0b101 #odd


--Apple-Mail-12--783174277--