BinaryHeap.up_dec: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/binary_heap.bend as BinaryHeap
Lines 96-101 of bend-collections@1.0.0.0/src/containers/binary_heap.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/binary_heap.bend&start_line=96&end_line=101

import Base

def up_dec(~A: Data, arr: Array<Maybe<&2, A>>, i: U32, pv: A, p: U32, ok: Bool) -> Up<A>:
  match ok:
    case True{}:
      UStop{arr, i}
    case False{}:
      UMove{arr, i, pv, p}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/binary_heap.bend&name=Up