From: Sebastian Hungerecker <sepp2k@...>
Date: 2007-05-12T20:35:35+09:00
Subject: Re: Shift Operators - I don't get it? What's the application?!?

Human Dunnil wrote:
> @num_sources = sources.size
> @num_hashes = 1 << @num_sources
>
> I think << here is doing bit manipulation

It is.

> which I do not get! 

1<<x is the same as 2**x. If you think about it for a bit or try to solve 1<<x
with pencil and paper, it'll become apparent why.


-- 
NP: Kataklysm - Blood On The Swans
Ist so, weil ist so
Bleibt so, weil war so