From: Sam Kong <sam.s.kong@...>
Date: 2005-07-26T09:06:02+09:00
Subject: Re: Trying to understand symbols

Thanks David!

David A. Black wrote:

> sym is a symbol in a generic or general sense, whereas :x is an
> instance of class Symbol.  When people talk about things like using
> symbols as hash keys, they mean instances of Symbol -- :x and things
> like that.  It's common usage to call things like sym (above) symbols
> too, so there's some overloading of the term.

Your explanation made it clear!

One more think to clear up.

f.send(:foo) #<- is :foo a symbol like an instance of Symbol or just a
generic symbol?
If :foo is not an instance of Symbol, then ':' is used for 2 kinds of
things in Ruby, right?

Thanks.

Sam