pheap-peek ( heap -- value prio )
Persistent heaps

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Vocabulary
persistent.heaps

Inputs

heap	a persistent heap

Outputs

value	an object in the heap
prio	the minimum priority

Word description
Gets the object in the heap with minimum priority.

Definition

IN: persistent.heaps

GENERIC: pheap-peek ( heap -- value prio )

Methods

USING: accessors kernel persistent.heaps
persistent.heaps.private ;

M: branch pheap-peek [ value>> ] [ prio>> ] bi ;


USING: persistent.heaps persistent.heaps.private ;

M: empty-heap pheap-peek empty-pheap ;