Hmap.HMap.size: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/hmap.bend as Hmap
Lines 204-211 of bend-kit-collections@0.1.4.1/hmap.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&start_line=204&end_line=211

import Base

def HMap.size(-K: Data, -V: Data, m: HMap<K, V>) -> Nat:
  match m:
    case HNil{}:
      0n
    case HLeaf{hash, entries}:
      List.length(&2, Entry<K, V>, entries)
    case HBranch{lo, hi}:
      Nat.add(HMap.size(K, V, lo), HMap.size(K, V, hi))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=Entry
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap