rotate.rb in facets-2.0.2

- old
+ new

@@ -1,9 +1,5 @@
-#   CREDIT Florian Gross
-#   CREDIT Thomas Sawyer
-
-#
 class Array
 
   # Rotates an array's elements from back to front n times.
   #
   #   [1,2,3].rotate      #=> [3,1,2]
@@ -13,20 +9,26 @@
   #
   # A negative parameter reverses the order from front to back.
   #
   #   [1,2,3].rotate(-1)  #=> [2,3,1]
   #
+  #   CREDIT Florian Gross
+  #   CREDIT Thomas Sawyer
+
   def rotate(n=1)
     self.dup.rotate!(n)
   end
 
   # Same as #rotate, but acts in place.
   #
   #   a = [1,2,3]
   #   a.rotate!
   #   a  #=> [3,1,2]
   #
+  #   CREDIT Florian Gross
+  #   CREDIT Thomas Sawyer
+
   def rotate!(n=1)
     n = n.to_int
     return self if (n == 0 or self.empty?)
     if n > 0
       n.abs.times{ self.unshift( self.pop ) }
@@ -35,38 +37,5 @@
     end
     self
   end
 
 end
-
-
-
-#  _____         _
-# |_   _|__  ___| |_
-#   | |/ _ \/ __| __|
-#   | |  __/\__ \ |_
-#   |_|\___||___/\__|
-#
-=begin test
-
-  require 'test/unit'
-  require 'set'
-
-  class TestArrayRotate < Test::Unit::TestCase
-
-    def test_rotate
-      a = [1,2,3]
-      assert_equal( [3,1,2], a.rotate, 'clockwise' )
-      assert_equal( [2,3,1], a.rotate(-1), 'counter-clockwise' )
-    end
-
-    def test_rotate!
-      a = [1,2,3]
-      a.rotate!
-      assert_equal( [3,1,2], a, 'clockwise' )
-      a.rotate!(-1)
-      assert_equal( [1,2,3], a, 'counter-clockwise' )
-    end
-
-  end
-
-=end