BitTree.set_if: def of mylsm-lsm-store@0.6.0.1
Import: import mylsm-lsm-store@0.6.0.1/src/BitTree.bend as BitTree
Lines 172-180 of mylsm-lsm-store@0.6.0.1/src/BitTree.bend: https://jend.leeeet.dev/read.txt?path=mylsm-lsm-store@0.6.0.1/src/BitTree.bend&start_line=172&end_line=180

import Base
import 0x9ee2e9a299991dcc089fe22c7f3ceb5f/src/containers/bitset.bend as BitWords

# Update if for the packed bit-tree operations.
def set_if(inside: Bool, +tree: BitTree, +bit: Nat) -> BitTree:
  match inside:
    case False{}:
      tree
    case True{}:
      +index = Nat.div(bit, 32n)
      +old = word_at(tree, index)
      replace_word(tree, index, BitWords.word_put(True{}, old, Nat.mod(bit, 32n)))

Uses (7):
  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=Nat.div
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mod
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/BitTree.bend&name=BitTree
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/BitTree.bend&name=replace_word
  https://jend.leeeet.dev/definition.txt?path=mylsm-lsm-store@0.6.0.1/src/BitTree.bend&name=word_at