blob: 56a56765dddc0f4acbae3a299d00b13ec37ef319 [file] [log] [blame]
// Copyright (c) 2019, 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.
// @dart = 2.9
/// @assertion To infer the type of element:
/// ...
/// If element is a spreadElement with expression e1:
///
/// If P is ? then let S be the inferred type of e1 in context ?:
/// ...
/// If none of these cases match, it is an error.
///
/// @description Checks that if it is a compile error if non of the cases
/// (`Iterable<Object>` nor of `Map<Object, Object>`, and it's also not `dynamic`
/// nor `Null`) match
/// @author sgrekhov@unipro.ru
Map<X, Y> foo<X, Y>(Map<X, Y> m) => m;
void test<T>(T t) {
var m = foo({...?t});
// ^
// [analyzer] unspecified
// [cfe] unspecified
}
main() {
test<Null>(null);
}