Hmap.HMap.del.go: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/hmap.bend as Hmap
Lines 172-196 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=172&end_line=196

import Base

def HMap.del.go(
  ~K: Data, ~V: Data, ~eq: K -> K -> Bool,
  +n: Nat, +mask: U32, m: HMap<K, V>, +hash: U32, +k: K
) -> HMap<K, V>:
  match n:
    case 0n:
      match m:
        case HNil{}:
          HNil{}
        case HLeaf{oldhash, entries}:
          HMap.leaf(K, V, oldhash, HMap.entries.del(~K, ~V, ~eq, entries, k))
        case HBranch{lo, hi}:
          HBranch{lo, hi}
    case 1n+p:
      match m:
        case HNil{}:
          HNil{}
        case HLeaf{+oldhash, +entries}:
          HMap.bool(HMap<K, V>, U32.is_eq(oldhash, hash),
            u => HMap.leaf(K, V, oldhash, HMap.entries.del(~K, ~V, ~eq, entries, k)),
            u => HLeaf{oldhash, entries})
        case HBranch{+lo, +hi}:
          HMap.bool(HMap<K, V>, U32.is_eq((hash .&. mask : U32), 0),
            u => HMap.join(K, V, HMap.del.go(~K, ~V, ~eq, p, (mask << 1n : U32), lo, hash, k), hi),
            u => HMap.join(K, V, lo, HMap.del.go(~K, ~V, ~eq, p, (mask << 1n : U32), hi, hash, k)))

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.bool
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.entries.del
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.join
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/hmap.bend&name=HMap.leaf