sdk/cts/tests/pkg/fidl/cpp/union_migration.test.fidl

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Types useful for tests for the 2019 migration from
// unions to xunions.

library fidl.test.unionmigration;

type BasicXUnion = flexible union {
    1: i32 int32;
};

type BasicResourceXUnion = flexible resource union {
    1: i32 int32;
};

type BasicUnion = strict union {
    1: i32 int32;
};

type BasicXUnionStruct = struct {
    val BasicXUnion;
};

type BasicResourceXUnionStruct = resource struct {
    val BasicResourceXUnion;
};

type BasicUnionStruct = struct {
    val BasicUnion;
};

type SingleVariantUnion = strict union {
    1: x uint32;
};

type SingleVariantUnionStruct = struct {
    u SingleVariantUnion;
};

type SingleVariantUnionStructWithHeader = struct {
    // Header exists to emulate the shape of the transaction header.
    header array<uint8, 16>;
    body SingleVariantUnionStruct;
};