From: itsme213 <itsme213@...>
Date: 2006-10-13T00:10:12+09:00
Subject: Re: My .irbrc for console/irb

Nice, thanks!

You may find it useful to extend your #what? with #what_returns?(x)

[1, 2, 3].what_returns?(1)  #=> [ :first ]

Used in some method browsers in Squeak. Could be extended in all kinds of 
ways - state change, parameters,...