| // Copyright (c) 2018, 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 Let e be a setOrMapLiteral. |
| /// If e has a context C, and the base type of C is Cbase (that is, Cbase is C |
| /// with all wrapping FutureOrs removed), and Cbase is not ?, then let S be the |
| /// greatest closure. |
| /// ... |
| /// if S is defined and is a subtype of Iterable<Object> and S is not a subtype |
| /// of Map<Object, Object>, then e is a set literal. |
| /// |
| /// @description Checks that if C is some subclass of Set<X>, then the literal is |
| /// a set literal, but it is also a guaranteed type error even if the literal is |
| /// a set but a wrong type |
| /// @author sgrekhov@unipro.ru |
| |
| import "dart:collection"; |
| |
| main() { |
| SplayTreeSet s1 = {}; //# 01: compile-time error |
| SplayTreeSet<int> s2 = {}; //# 02: compile-time error |
| SplayTreeSet<int> s3 = <int>{}; //# 03: compile-time error |
| } |
