From: Florian Kaufmann <sensorflo@...>
Date: 2009-04-15T02:10:04+09:00
Subject: Re: Argument types

> An index is always a natural number. It is required to be either a Fixnum or
> Bignum. You can't pass arbitrary object to those methods.

It seems that it is more complex than that. This works

%w(a b c)[1.2]

>  Why not:
>   p a[c.to_i] ?

Because I'd like to understand what I can do in general with ruby. I'd
like to be able to read the ruby doc and know for each of all those
hundred of methods what exactly I can pass as argument.

Flo