;
[]
I(34)
foo called by O with value 34
foo2 called by O with value 34
[ 'O(34)' ]
I(34)
foo called by O with value 34
foo2 called by O with value 34
foo3 called by O with value 34
[ 'O(34)' ]
I(15)
foo called by O with value 15
foo2 called by O with value 15
[ 'O(15)' ]