blob: e191c1f7567064314ef8e8cf97afde33a2a25852 [file] [log] [blame]
// Copyright (c) 2021, 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.
/// @assertion All field declarations in a Union subclass declaration must
/// either have type int or float and be annotated with a NativeType
/// representing the native type, or must be of type Pointer or subtype of
/// Struct or Union.
/// @description Checks that it is a compile error if any of the field in Union
/// subclass is not 'int', 'double', 'Pointer' or subtype of Struct or Union
/// @author
import "dart:ffi";
import "dart:async";
class U1 extends Union {
external int i;
external FutureOr<double> x;
// ^^^^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
external FutureOr<int> y;
// ^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
class U2 extends Union {
Pointer<FutureOr<Int8>> x;
// ^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
void main() {
U1? u1;
U2? u2;