From: Brian Adkins <lojicdotcom@...>
Date: 2007-11-21T23:50:14+09:00
Subject: Re: is there an nicer way for this expression?

On Nov 20, 10:34 pm, Peņa, Botp <b...@delmonte-phil.com> wrote:
> From: Trans [mailto:transf...@gmail.com]
> #   case foo.bar when 1,2 then
>
> hmm ;-)
>
> bar
> #=> 1
> bar.in? 1,2
> #=> 0
> bar.in? 1,2,3
> #=> 0
> bar.in? 2,1,3
> #=> 1
> bar.in? *[2,1,3]
> #=> 1
> bar.in? [2,1,3],1,2
> #=> 1
> [2,1,3].in? [2,1,3],1,2
> #=> 0
> [2].in? [2,1,3],1,2
> #=> nil
> {1=>2}.in? [2,1,3],1,2,{1=>2},{2=>4}
> #=> 3
> bar.in? *(1..2)
> #=> 0
> bar.in? 3,4,*(1..2)
> #=> 2
> bar.in? 3,4,*(2..5)
> #=> nil
>
> aliased w among, amongst, and one_of (just lately)
>
> kind regards -botp

class Object
  def equals_any *args
    args.each {|x| return true if self == x }
    return false
  end
end