From: Phil Mitchell <sentinel_NO_SPAAM@...>
Date: 2002-02-27T08:05:22+09:00
Subject: fiddly little array manipulation question

Is there a nicer way to take the intersection of an array of arrays, other 
than:

intersection = arrOfArrays[0]
for i in 1...arrOfArrays.length
  intersection &= arrOfArrays[i]
end

Am I missing some rubyism?