blob: 864f21ad769c2c14ac31ab01b69cf43c55f7e7a2 [file] [log] [blame]
// 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 From the Unified collection Spec:
/// A spreadElement starting with [...] is a constant element if its expression
/// is constant and it evaluates to a constant List, Set or Map instance
/// originally created by a list, set or map literal. It is a potentially
/// constant element if the expression is a potentially constant expression.
/// @description: Checks that compile time error is thrown if constant set spread
/// element is not a potentially constant list or set.
/// @author
class A {
const A();
class B extends A {
const B();
class MyClass {
final String a;
const MyClass(Object o) : a = o as String;
main() {
const Set l4 = {...(MyClass(12345) is MyClass ? [12] : [])};
// ^^^^^^^^^^^^^
// [analyzer] unspecified
// ^
// [cfe] unspecified