nagai	2009-10-27 21:22:42 +0900 (Tue, 27 Oct 2009)

  New Revision: 25513

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=25513

  Log:
    * ext/tk/lib/tk/variable.rb: add TkVariable#+@ and -@ method.

  Modified files:
    trunk/ChangeLog
    trunk/ext/tk/lib/tk/variable.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 25512)
+++ ChangeLog	(revision 25513)
@@ -1,3 +1,7 @@
+Tue Oct 27 21:20:35 2009  Hidetoshi NAGAI  <nagai@a...>
+
+	* ext/tk/lib/tk/variable.rb: add TkVariable#+@ and -@ method.
+
 Tue Oct 27 16:36:52 2009  Nobuyoshi Nakada  <nobu@r...>
 
 	* string.c (chopped_length): get rid of unexpected exception.
Index: ext/tk/lib/tk/variable.rb
===================================================================
--- ext/tk/lib/tk/variable.rb	(revision 25512)
+++ ext/tk/lib/tk/variable.rb	(revision 25513)
@@ -1175,6 +1175,13 @@
     end
   end
 
+  def +@
+    self.numeric
+  end
+  def -@
+    -(self.numeric)
+  end
+
   def &(other)
     if other.kind_of?(Array)
       self.to_a & other.to_a

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