serialize_stuff_to_file(Array::Iterator->new(@array));
serialize_stuff_to_file(ArrayOfArrays::Iterator->new(@array));
serialize_stuff_to_file(ArrayOfHashes::Iterator->new(@array));
serialize_stuff_to_file(Hash::Iterator->new(%hash));
serialize_stuff_to_file(HashOfHashes::Iterator->new(%hash));
serialize_stuff_to_file(HashOfArrays::Iterator->new(%hash));
serialize_stuff_to_file(Tree::Iterator->new($tree));