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By: a guest on May 6th, 2012  |  syntax: None  |  size: 0.21 KB  |  hits: 12  |  expires: Never
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  1. collection = [1, 'a', 2, 'b', 'c']
  2.  
  3. def  collection.filter &block
  4.   result = []
  5.   self.each do |t|
  6.     result << t if block.call t
  7.     result
  8.   end
  9. end
  10.  
  11. puts collection.filter { |x| x.is_a?(String) }
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