From: Hal Fulton <hal9000@...>
Date: 2004-08-21T05:10:17+09:00
Subject: Re: Neat trick for Steckerboard of Enigma needed...

Meino Christian Cramer wrote:
>   Together were are unbeatable,hahaha !  ;O)))
>   
>   What's about this:
>   
>      a="ABCDEFGHIJ"
>      hash=Hash[*a.split(//)]
> 	 => {"K"=>"L", "A"=>"B", "C"=>"D", "E"=>"F", "G"=>"H", "I"=>"J"}
> 
>   (but what is this littele '*' good for ?)

The * expands the array, so that the call is in effect passing
in multiple individual characters.

If you leave it off, you are passing in a single array, and []
complains about an odd number of parameters.


Hal