| // Copyright (c) 2022, 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 |
| /// patternVariableDeclaration ::= ('final' | 'var') outerPattern '=' expression |
| /// |
| /// outerPattern ::= parenthesizedPattern |
| /// | listPattern |
| /// | mapPattern |
| /// | recordPattern |
| /// | objectPattern |
| /// |
| /// @description Check that it is a compile-time error if a final variable is |
| /// assigned twice. Test a map pattern |
| /// @author sgrekhov22@gmail.com |
| |
| class Meta { |
| const Meta(); |
| } |
| |
| main() { |
| @Meta() |
| final {"key1": a1, "key2": b1} = {"key1": 1, "key2": 2}; |
| a1 = 42; |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| b1 = 42; |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| final {"key1": int a2, "key2": b2} = {"key1": 1, "key2": 2, "key3": 3}; |
| a2 = 42; |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| b2 = 42; |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| |
| final <String, int>{"key1": a3, "key2": int b3} |
| = {"key1": 1, "key2": 2, "key3": 3}; |
| a3 = 42; |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| b3 = 42; |
| //^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
