From: Wayne Magor <wemagor@...>
Date: 2007-11-22T01:35:15+09:00
Subject: Re: is there an nicer  way for this expression?

Remco Hh wrote:
> hi,
> perhaps a stupid question.
> 
> i do this a lot:  if (foo.bar==1 or foo.bar==2)
> 
> can i make this expression shorter and nicer?,
> something like if (foo.bar=1,2), which of course doesn't work :)
> 
> regards,
> 
> remco

Not a stupid question at all.  Many people want this in Ruby!

Here's the solution (which should be standard in Ruby):

class Object
  def in?(an_array)
    an_array.include?(self)
  end
end


Then, your desire to have something like (foo.bar=1,2) would become:

foo.bar.in?([1,2])
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