diff options
Diffstat (limited to 'ext/tk/lib')
| -rw-r--r-- | ext/tk/lib/tk/variable.rb | 7 |
1 files changed, 7 insertions, 0 deletions
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 |