1// Copyright 2022 The Chromium Authors 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// This is a "No Compile Test" suite. 6// http://dev.chromium.org/developers/testing/no-compile-tests 7 8#include "base/functional/bind.h" 9#include "base/functional/callback.h" 10#include "base/functional/function_ref.h" 11 12namespace base { 13 14void CannotBindFunctionRefs() { 15 // `Bind{Once,Repeating}` do not accept `FunctionRef` args due to potential 16 // lifetime concerns. 17 [](FunctionRef<void()> ref) { BindOnce(ref); }([] {}); // expected-error@*:* {{Functor may not be a FunctionRef, since that is a non-owning reference that may go out of scope before the callback executes.}} 18 [](FunctionRef<void()> ref) { BindRepeating(ref); }([] {}); // expected-error@*:* {{Functor may not be a FunctionRef, since that is a non-owning reference that may go out of scope before the callback executes.}} 19} 20 21} // namespace base 22