blob: 1f6493c119d8f1ccd3ed8d368362c037e01a5ab0 [file] [log] [blame]
// Copyright (c) 2017, 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.
class A {}
class B extends A {}
class C {
void operator []=(B b, B b2) {}
}
void main() {
A a = new B();
C c = new C();
c[a] = a;
//^
// [analyzer] COMPILE_TIME_ERROR.ARGUMENT_TYPE_NOT_ASSIGNABLE
// [cfe] A value of type 'A' can't be assigned to a variable of type 'B'.
// ^
// [analyzer] COMPILE_TIME_ERROR.INVALID_ASSIGNMENT
// [cfe] A value of type 'A' can't be assigned to a variable of type 'B'.
}