lib/facet/enumerable/find_collisions.rb in facets-0.9.0 vs lib/facet/enumerable/find_collisions.rb in facets-1.0.0

@@ -1,40 +1,80 @@
-require 'nano/enumerable/find_collisions.rb'
\ No newline at end of file
+require 'facet/enumerable/commonality'
+
+module Enumerable
+
+  # Like commonality but returns an array if no block is given.
+  #
+  def find_collisions( &blk ) #:yield:
+    if block_given?
+      commonality( &blk )
+    else
+      commonality.values.flatten.uniq
+    end
+  end
+
+end
+
+
+
+#  _____         _
+# |_   _|__  ___| |_
+#   | |/ _ \/ __| __|
+#   | |  __/\__ \ |_
+#   |_|\___||___/\__|
+#
+=begin test
+
+  require 'test/unit'
+
+  class TCEnumerable < Test::Unit::TestCase
+
+    def test_find_collisions
+      a = [1,2,2,3,3,3]
+      assert_equal( [2,3], a.find_collisions )
+      a = [1,2,2,3,3,3]
+      r = {false=>[1, 2, 2], true=>[3, 3, 3]}
+      assert_equal( r, a.find_collisions { |x| x > 2 } )
+    end
+
+  end
+
+=end