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Man Pages
Heap::Elem::NumRev(3) User Contributed Perl Documentation Heap::Elem::NumRev(3)
 

Heap::Elem::NumRev - Reversed Numeric Heap Elements

  use Heap::Elem::NumRev( NumRElem );
  use Heap::Fibonacci;
  my $heap = Heap::Fibonacci->new;
  my $elem;
  foreach $i ( 1..100 ) {
      $elem = NumRElem( $i );
      $heap->add( $elem );
  }
  while( defined( $elem = $heap->extract_top ) ) {
      print "Largest is ", $elem->val, "\n";
  }

Heap::Elem::NumRev is used to wrap numeric values into an element that can be managed on a heap. The top of the heap will have the largest element still remaining. (See Heap::Elem::Num if you want the heap to always return the smallest element.)
The details of the Elem interface are described in Heap::Elem.
The details of using a Heap interface are described in Heap.

John Macdonald, john@perlwolf.com

Copyright 1998-2007, O'Reilly & Associates.
This code is distributed under the same copyright terms as perl itself.

Heap(3), Heap::Elem(3), Heap::Elem::Num(3).
2007-04-28 perl v5.28.1

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