where you can't directly call Export's import method. The export_to_level
method looks like:
-MyPackage->export_to_level($where_to_export, @what_to_export);
+MyPackage->export_to_level($where_to_export, $package, @what_to_export);
where $where_to_export is an integer telling how far up the calling stack
to export your symbols, and @what_to_export is an array telling what
-symbols *to* export (usually this is @_).
+symbols *to* export (usually this is @_). The $package argument is
+currently unused.
For example, suppose that you have a module, A, which already has an
import function: