blob: 9d0c09372ab0c801ea3165f80dea3a019c344304 [file] [log] [blame]
// 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.
/// @assertion An expression of the form [e as T] is accepted as a potentially
/// and compile-time constant expression if [e] is potentially constant or
/// compile-time constant, respectively, and [T] is a compile-time constant type.
/// A compile-time constant type means any type that doesn't contain free type
/// variables, so the type expression always resolves to the exact same type.
/// @description Checks that an expression of the form [e as T] is accepted if
/// [e] is [null]
/// @author
import "../../Utils/expect.dart";
class A {
const A();
class MyClass {
final A? a;
const MyClass(Object? o) : a = o as A?;
main() {
const MyClass c1 = MyClass(null);