blob: 560b9ca1b9ba205742c3b31d9997f280fdbc4986 [file] [log] [blame]
// Copyright (c) 2011, 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 Let C be a concrete class that does not declare its own
/// noSuchMethod().
/// It is a compile error if the implicit interface
/// of C includes an instance member m of type F and C does not declare or
/// inherit a corresponding instance member m of type F' such that F' <: F.
/// @description Checks that there are no warnings if the type F' of
/// declared instance member m is in fact a subtype of F.
/// @author ilya
abstract class I {
foo(int x);
}
class C implements I {
foo(num x) {}
}
main () {
new C();
}