lib/yzz/side.rb in yzz-2.0.5 vs lib/yzz/side.rb in yzz-2.0.7

@@ -64,16 +64,10 @@
     end
     return old_neighbor
   end
   alias * crossover
 
-  # Returns the string briefly describing the instance.
-  # 
-  def to_s
-    "#<YTed::Zz::Side: #{direction} side of #{zz} along #{dimension}>"
-  end
-
   # Given a zz object (named argument :of), returns its side along same
   # dimension, in the direction same as self.
   # 
   def same_side( of: raise( ArgumentError, "Zz object (:of) absent!" ) )
     of.along( dimension ).send direction
@@ -90,9 +84,27 @@
   # 
   def unlink
     unlink!.tap do |neighbor|
       opposite_side( of: neighbor ).unlink! if neighbor.is_a_zz?
     end
+  end
+
+  # Returns the "side label" string.
+  # 
+  def label
+    direction == :posward ? "#{dimension}->" : "<-#{dimension}"
+  end
+
+  # Returns the string briefly describing the instance.
+  # 
+  def to_s
+    "#<Yzz::Side: #{zz} along #{dimension}, #{direction}>"
+  end
+
+  # Inspect string of the instance.
+  # 
+  def inspect
+    to_s
   end
 
   protected
 
   # Sets neighbor carelessly, returning the old neighbor.