Heap.Heap.size: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/heap.bend as Heap
Lines 19-24 of bend-kit-collections@0.1.4.1/heap.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/heap.bend&start_line=19&end_line=24

import Base

def Heap.size(-A: Data, h: Heap<A>) -> Nat:
  match h:
    case HLeaf{}:
      0n
    case HNode{n, x, l, r}:
      n

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/heap.bend&name=Heap