classify.rb in quality_extensions-1.0.0

- old
+ new

@@ -8,13 +8,14 @@
 # * Compare to Array#group_by (quality_extensions), which assumes all elements are arrays (making a "table") and only
 #   allows you to do simple classification by the value of a "column". On the other hand, it adds the option to delete that
 #   column from the array, which can be nice, since the classification key in the hash makes it somewhat redundant.
 #++
 
+$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..', '..')
 require 'rubygems'
 gem 'facets'
-require 'facet/array/to_hash'
+require 'facets/to_hash'
 class Array
 
 =begin rdoc
    Classifies the array by the return value of the given block and returns a hash of {value => array of elements} pairs.
    The block is called once for each element of the array, passing the element as parameter.
@@ -49,9 +50,10 @@
 #   | |/ _ \/ __| __|
 #   | |  __/\__ \ |_
 #   |_|\___||___/\__|
 #
 =begin test
+require 'test/unit'
 require 'set'
 
 class TheTest < Test::Unit::TestCase
   def test_classify
     input = [