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Heap::Elem::Num.3pm

NAME

Heap::Elem::Num - Numeric Heap Elements

SYNOPSIS

   use Heap::Elem::Num( NumElem );
   use Heap::Fibonacci;
 
 

   my $heap = Heap::Fibonacci->new;
   my $elem;
 
 

   foreach $i ( 1..100 ) {
       $elem = NumElem( $i );
       $heap->add( $elem );
   }
 
 

   while( defined( $elem = $heap->extract_top ) ) {
       print "Smallest is ", $elem->val, "\n";
   }
 
 

DESCRIPTION

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

The details of the Elem interface are described in Heap::Elem.

The details of using a Heap interface are described in Heap.

AUTHOR

John Macdonald, john@perlwolf.com

COPYRIGHT

Copyright 1998-2007, O'Reilly & Associates.

This code is distributed under the same copyright terms as perl itself.

SEE ALSO

Heap(3), Heap::Elem(3), Heap::Elem::NumRev(3).