Function replace

gui/src/hooks/useArrayState.ts:18–24

(atIndex: number, withItem: T)

  }

  function replace(atIndex: number, withItem: T) {
    setValue((prev) => {
      let updated = [...prev];
      updated[atIndex] = withItem;
      return updated;
    });
  }

  return { value, add, remove, edit, replace };
}