From: Wayne Vucenic <wvucenic@...>
Date: 2002-03-31T04:49:26+09:00
Subject: Re: How to split an Array efficiently? + non-inplace Delete_if

Another solution, which happens to be fairly efficient, is

module Enumerable
  def split(&block)
    [select(&block), reject(&block)]
  end
end

Wayne


Christopher �zbek <newsgroups@oezi.de> writes:

C�>   I want to split an array depending on the evaluation of a code-block, like
C�> this

C�> a, b = [1,7,10,3,12].split do |x|
C�>   x < 10
C�> end

C�> # a = [1,7,3]
C�> # b = [10,12]

C�> I haven't found a function like this (Ruby 1.6.6). Have I missed it?