transport/safe_union/1.0/types.hal

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.hidl.safe_union@1.0;

/**
 * Unit type easily available to be used with safe_union.
 *
 * Example usage:
 *
 * safe_union MaybeFoo {
 *     Monostate no_init;
 *     Foo foo;
 * };
 */
struct Monostate {};