blob: 523a972c8002c051e6e2b27eeb76b080aefb62d0 [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 {
void foo() {}
abstract class I {
void foo([x]);
abstract class B extends A implements I {
// If this class were concrete, there would be a problem, since `new
// B().foo(42)` would be statically allowed, but would lead to invalid
// arguments being passed to But since the class is abstract, there is
// no problem.
class /*@compile-error=unspecified*/ C extends B {
// However, there is a problem here because this class is concrete and doesn't
// override foo.
void f(B b) {;
main() {
f(new C());