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-rw-r--r--ChangeLog4
-rw-r--r--ext/tk/lib/tk/variable.rb7
2 files changed, 11 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 67761069d1..9380cb7ee0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Oct 27 21:20:35 2009 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
+
+ * ext/tk/lib/tk/variable.rb: add TkVariable#+@ and -@ method.
+
Tue Oct 27 16:36:52 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (chopped_length): get rid of unexpected exception.
diff --git a/ext/tk/lib/tk/variable.rb b/ext/tk/lib/tk/variable.rb
index 6a618e7ee8..f6ebe551fb 100644
--- a/ext/tk/lib/tk/variable.rb
+++ b/ext/tk/lib/tk/variable.rb
@@ -1175,6 +1175,13 @@ end
end
end
+ def +@
+ self.numeric
+ end
+ def -@
+ -(self.numeric)
+ end
+
def &(other)
if other.kind_of?(Array)
self.to_a & other.to_a