IronRuby.Runtime.Calls.CallArguments.SetArgument C# (CSharp) Метод

        private void SetArgument(int index, DynamicMetaObject/*!*/ arg) {
            if (_copyArgsOnWrite) {
                _args = ArrayUtils.Copy(_args);
                _copyArgsOnWrite = false;
            }

            _args[index] = arg;
        }