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-rw-r--r--ext/tk/sample/tkextlib/treectrl/demo.rb7
1 files changed, 4 insertions, 3 deletions
diff --git a/ext/tk/sample/tkextlib/treectrl/demo.rb b/ext/tk/sample/tkextlib/treectrl/demo.rb
index 50ecde91f0..eed95d0e1c 100644
--- a/ext/tk/sample/tkextlib/treectrl/demo.rb
+++ b/ext/tk/sample/tkextlib/treectrl/demo.rb
@@ -9,11 +9,12 @@ $HasColumnCreate = Tk::TreeCtrl::HasColumnCreateCommand
$Version_1_1_OrLater = (TkPackage.vcompare(Tk::TreeCtrl.package_version, '1.1') >= 0)
-if Hash.instance_methods.include?('key')
- # probably ruby 1.9.x --> use Hash#key
+#if Hash.instance_methods.include?(:key)
+if TkCore::WITH_RUBY_VM ### Ruby 1.9 !!!!
+ # ruby 1.9.x --> use Hash#key
# Because Hash#index show warning "Hash#index is deprecated; use Hash#key".
else
- # probably ruby 1.8.x --> use Hash#index
+ # ruby 1.8.x --> use Hash#index
class Hash
alias key index
end