This archive contains two versions of the LinkedList manager:

    v1  Uses a single object to iterate the list.
    v2  Uses separate List, Cursor, and Fragment objects.

v1 runs on any perl v5.24 and later; v2 requires v5.40 or later.

If you have any choice whatever use v2.

The ./version directory has distributions for v5.24 and v5.40. At
runtime the Makfile.PL will determine which of the releases is 
appropriate for the installed perl. At that point you get the 
older release with v1 code forever (<v5.40) or the newer one with both 
v1 and v2.

Unmodified code with

    use LinkedList::Single;
    
will get v1 by default. To use the v2 code add a v2 argument:

    use LinkedList::Single qw( v2 );

and you'll get the new version (or a fatal exception if you aren't
running perl v5.40 or later).

The v2 module comes with added tests in "t/v2-30-BIG_LIST". Not
surprisingly, these don't run by default. To see how your copy
of Perl behaves with larger lists:

    export BIG_LIST=1;
    prove t/v2-30*;

or 
    export BIG_LIST=1;
    prove -r t;

The list sizes can be adujsted by exporging LIST_SIZE=N, with
defaults of 2**16 to 2**24 depending on the tests. Run with 
"perl -d" they use 8 nodes to illustrate what is going on with
the test. These will all run in a few minutes on a fairly recent
ThinkPad.

Feedback on the v2 module is always appreciated.

Thanks again to Paul Evans for maintaing Object::Pad.

Happy listing.