libscope-upper-perl 0.08-1 (ia64 binary) in ubuntu karmic

 Scope::Upper lets you defer actions at run-time that will take place when the
 control flow returns into an upper scope. Currently, you can:
 .
  * hook an upper scope end with "reap";
  * localize variables, array/hash values or deletions of elements in
    higher contexts with respectively "localize", "localize_elem" and
    "localize_delete";
  * return values immediately to an upper level with "unwind", and know
    which context was in use then with "want_at".