LanguageFeatures/Spread-collections/StaticSemantic_A10_t07.dart

/*
 * Copyright (c) 2019, 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.
 */
/**
 * @assertion It is a compile-time error if:
 * A spread element in a list or set literal has a static type that is not
 * dynamic and not a subtype of Iterable<Object>.
 * @description Checks that compile error is thrown if spread element in the
 * set is not dynamic and is not assignable to [Iterable]
 * @author iarkh@unipro.ru
 */
// SharedOptions=--enable-experiment=constant-update-2018

import "dart:async";

main() {
  Object x1;
  Map x2;
  int x3;
  Null x4;
  void x5;
  Future x6;
  FutureOr x7;

  Set s1 = {...x1}; //# 01: compile-time error
  Set s2 = {...x2}; //# 02: compile-time error
  Set s3 = {...x3}; //# 03: compile-time error
  Set s4 = {...x4}; //# 04: compile-time error
  Set s5 = {...x5}; //# 05: compile-time error
  Set s6 = {...x6}; //# 06: compile-time error
  Set s7 = {...x7}; //# 07: compile-time error
}