LibTest/io/Stdin/stdin_utils.dart

// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart = 2.9

/// Stdin helper library
/// @author sgrekhov@unipro.ru

library stdin_utils;

List<T> flattenList<T>(List list) =>
    list.expand((e) => e is List ? e : [e]).cast<T>().toList();