42 at c:/tmp/pm/closure_demo.pl line 9.
42 at (eval 1) line 1.
42 at c:/tmp/pm/closure_demo.pl line 9.
Variable "$var" is not available at (eval 2) line 1.
Use of uninitialized value $var in warn at (eval 2) line 1.
Warning: something's wrong at (eval 2) line 1.