Uh oh (what's going on?):

perl treap.pm
Subroutine import redefined at Treap.pm line 67.
Subroutine heap_lt redefined at Treap.pm line 127.
Subroutine key_lt redefined at Treap.pm line 128.
Subroutine key_gt redefined at Treap.pm line 129.
Subroutine new redefined at Treap.pm line 131.
Subroutine find_path_to_node redefined at Treap.pm line 184.
Subroutine find_node redefined at Treap.pm line 209.
Subroutine _shift_up redefined at Treap.pm line 241.
Subroutine _shift_down redefined at Treap.pm line 316.
Subroutine Store redefined at Treap.pm line 410.
Subroutine Delete redefined at Treap.pm line 484.
Subroutine Exists redefined at Treap.pm line 517.
Subroutine Clear redefined at Treap.pm line 526.
Subroutine Firstkey redefined at Treap.pm line 551.
Subroutine Nextkey redefined at Treap.pm line 565.
Subroutine Fetch redefined at Treap.pm line 579.
Subroutine FetchUser redefined at Treap.pm line 586.
Subroutine DESTROY redefined at Treap.pm line 598.
Subroutine count redefined at Treap.pm line 611.
Subroutine left redefined at Treap.pm line 614.
Subroutine right redefined at Treap.pm line 617.
Subroutine root redefined at Treap.pm line 620.
Subroutine _sub_as_list redefined at Treap.pm line 622.
Subroutine breadth_first redefined at Treap.pm line 631.
Subroutine in_order redefined at Treap.pm line 676.
Subroutine rev_order redefined at Treap.pm line 690.
Subroutine heap_order redefined at Treap.pm line 705.
Subroutine _heap_order_recurse redefined at Treap.pm line 715.
Subroutine top redefined at Treap.pm line 764.
Subroutine extract_top redefined at Treap.pm line 774.
Subroutine print_order redefined at Treap.pm line 788.
Subroutine __dump redefined at Treap.pm line 810.
Subroutine dump_vert redefined at Treap.pm line 817.
Subroutine __center redefined at Treap.pm line 821.
Subroutine dump_tree redefined at Treap.pm line 840.
Subroutine Tied_Hash redefined at Treap.pm line 913.
Subroutine FETCH redefined at treap.pm line 924.
Subroutine STORE redefined at treap.pm line 929.
function 'new' already defined in package Treap::_Node at treap.pm line 950
BEGIN failed--compilation aborted at treap.pm line 958.

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