Source file fallbackArray.ml

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include ReadOnlyArray

let set array idx v =
  let len = length array in
  if idx >= 0 && idx < len then Array.unsafe_set array idx v else ()

let of_list ~fallback ~proj l =
  let length = List.length l in
  let arr = make length fallback in
  (* the initial construction of the array guarantees that we can always use
     unsafe_set since the condition check in set is always true. *)
  List.iteri (fun i e -> Array.unsafe_set arr i (proj e)) l ;
  arr