def pop_len_owned

bend-collections@1.0.0.0 · src/containers/dynamic_array.bend:551

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

551def pop_len_owned(~T: Type, limit: Nat, depth: Nat, cap: Nat, len: Nat, arr: Array<Maybe<&1, T>>) -> DynArray<&1, T> & Result<&2, &1, E.Error, T>:
552  match len:
553    case 0n:
554      (DA{limit, depth, cap, 0n, arr}, Fail{E.EmptyArray{}})
555    case 1n+ +n:
556      pop_found_owned(~T, limit, depth, cap, n, Array.swap(Maybe<&1, T>, arr, U32.from_nat(n), None{}))