heap>pairs ( heap -- pairs )


Vocabulary
sequences.extras

Inputs
heapan object


Outputs
pairsan object


Word description
Collect the pairs inside a heap into a sequence. Ordering of the sequence is based on the ordering of the heap.

Definition
USING: arrays kernel ;

IN: sequences.extras

: heap>pairs ( heap -- pairs )
[ 2drop t ] [ swap 2array ] slurp-heap-while-map ;