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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 = [4, 3, 2, 6, 4]
  2.  
  3. def filter(collection, &predicate)
  4.   result = []
  5.   collection.each do |t|
  6.     result << t if predicate.call(t)
  7.   end
  8.  
  9.   result
  10. end
  11.  
  12. puts filter(collection) { |x| x % 2 == 0 }
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