DlistIterator.gap_left: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/dlist_iterator.bend as DlistIterator
Lines 77-82 of bend-collections@1.0.0.0/src/containers/dlist_iterator.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/dlist_iterator.bend&start_line=77&end_line=82

import Base

def gap_left(prevs: Array<U32>, tail: U32, n: U32, empty: Bool) -> Array<U32> & U32:
  match empty:
    case True{}:
      (prevs, tail)
    case False{}:
      Array.get(U32, prevs, U32.sub(n, 1))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub