DynamicArray.pop_len: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/dynamic_array.bend as DynamicArray
Lines 132-137 of bend-collections@1.0.0.0/src/containers/dynamic_array.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/dynamic_array.bend&start_line=132&end_line=137

import Base
import bend-collections@1.0.0.0/src/containers/types/dynamic_array.bend as E

def pop_len(-T: Data, limit: Nat, depth: Nat, +cap: Nat, len: Nat, arr: Array<Maybe<&2, T>>) -> DynArray<&2, T> & Result<&2, &2, E.Error, T>:
  match len:
    case 0n:
      (DA{limit, depth, cap, 0n, arr}, Fail{E.EmptyArray{}})
    case 1n+ +m:
      pop_found(T, limit, depth, cap, m, Array.swap(Maybe<&2, T>, arr, U32.from_nat(m), None{}))

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.swap
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/dynamic_array.bend&name=DynArray
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/dynamic_array.bend&name=pop_found
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/types/dynamic_array.bend&name=Error