blob: 265ad915623cb8cefed1e483e436594f341522de [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.
// Dart test program to test arithmetic operations.
class B {}
class C {
B call(B b) => b;
typedef B BToB(B x);
class D {
BToB f() => null;
void g(C x) {}
class E extends D {
// This override is illegal because C is not a subtype of BToB.
C f() => null; //# 01: compile-time error
// This override is illegal because BToB is not a supertype of C.
void g(BToB x) {} //# 02: compile-time error
main() {
new E();