At Wed, 30 Jul 2003 11:36:20 +0900,
Travis Whitton wrote:
> Can anyone tell me why my objects aren't being garbage collected until the
> end of the program?
It is very difficult to predict when GC runs, and whether a
particular object will be collected.

In general, #close method or similar which release its
resources is necessary for such purpose. Also block style
method would be better.

Nobu Nakada