From: 7stud -- <bbxx789_05ss@...>
Date: 2011-03-07T06:55:45+09:00
Subject: Re: What does "ARGF.class" mean?

Joey Zhou wrote in post #985705:
> ruby 1.9.2p180 (2011-02-18) [i386-mingw32]
>
> irb(main):001:0> ARGF.class
> => ARGF.class
>
> What does "ARGF.class" mean? Isn't ARGF a special IO object, whose class
> is "IO", just like STDIN?
>
> irb(main):002:0> STDIN.class
> => IO

First note that your output is not ARGFCLASS.  You really are getting no 
output--if what you posted is correct; irb just output what you typed 
in.

In ruby 1.8.6, I get Object for the output, but as you mentioned I would 
have expected ARGF to be some kind of IO object.

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