// 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


void test<T>(T t) {
  var s1 = {...t};      //# 01: compile-time error
  var s2 = {...?t};     //# 02: compile-time error
}

main() {
  test([1, 2, 3]);
  test({1: "1", 2: "2"});
}