// Copyright (c) 2021, 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 { | |
num foo(num n) { | |
print(n.runtimeType); | |
return 1.1; | |
} | |
} | |
abstract class B<X> { | |
X foo(X x); | |
} | |
class C extends A with B<num> {} | |
void main() { | |
B<Object> b = C(); | |
try { | |
b.foo(true); | |
} catch (e) { | |
print(e); | |
return; | |
} | |
throw 'Missing type error'; | |
} |