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base / functional / overloaded_nocompile.nc [blame]
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This is a "No Compile Test" suite.
// http://dev.chromium.org/developers/testing/no-compile-tests
#include "base/functional/overloaded.h"
#include "third_party/abseil-cpp/absl/types/variant.h"
namespace base {
void LambdaMissingForVariantElement() {
// `absl::visit()` may only be called on an `Overloaded` that can actually
// handle all potential input variant types.
struct A {};
struct B {};
absl::variant<A, B> var = A{};
absl::visit(Overloaded{[](A& pack) { return "A"; }}, var); // expected-error-re@*:* {{no type named 'type' in 'absl::type_traits_internal::result_of<base::Overloaded<(lambda at {{.*}})> (B &)>'}}
}
} // namespace base