$B0J2<$N$h$&$K!"(BThread.current.key? nil $B$N5sF0$,%9%l%C%IJQ?t$,(B
$B$"$k$+$I$&$+$GJQ$o$j$^$9!#(B
% ./ruby -ve '
p Thread.current.key? nil
Thread.current[:a] = 1
p Thread.current.key? nil
'
ruby 1.9.0 (2008-05-02 revision 16284) [i686-linux]
false
-e:4:in `key?': nil is not a symbol (TypeError)
from -e:4:in `<main>'
on 04.05.2008 09:34