def swap_checked_owned

bend-collections@1.0.0.0 · src/containers/dynamic_array.bend:568

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

568def swap_checked_owned(~T: Type, limit: Nat, depth: Nat, cap: Nat, len: Nat, arr: Array<Maybe<&1, T>>, i: Nat, v: T, ok: Bool) -> DynArray<&1, T> & Result<&1, &1, E.Rejected<T>, Maybe<&1, T>>:
569  match ok:
570    case True{}:
571      swap_found_owned(~T, limit, depth, cap, len, Array.swap(Maybe<&1, T>, arr, U32.from_nat(i), Some{v}))
572    case False{}:
573      (DA{limit, depth, cap, len, arr}, Fail{E.Rejected{E.IndexOutOfRange{}, v}})