| // Copyright (c) 2023, 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. |
| |
| // Test that errors are generated if an improperly formed wildcard pattern |
| // appears inside a pattern assignment. |
| |
| void usingFinal() { |
| var x; |
| [x, final _] = [0, 1]; |
| // ^ |
| // [analyzer] SYNTACTIC_ERROR.PATTERN_ASSIGNMENT_DECLARES_VARIABLE |
| // [cfe] Variable '_' can't be declared in a pattern assignment. |
| } |
| |
| void usingFinalAndType() { |
| var x; |
| [x, final int _] = [0, 1]; |
| // ^ |
| // [analyzer] SYNTACTIC_ERROR.PATTERN_ASSIGNMENT_DECLARES_VARIABLE |
| // [cfe] Variable '_' can't be declared in a pattern assignment. |
| } |
| |
| void usingType() { |
| var x; |
| [x, int _] = [0, 1]; |
| // ^ |
| // [analyzer] SYNTACTIC_ERROR.PATTERN_ASSIGNMENT_DECLARES_VARIABLE |
| // [cfe] Variable '_' can't be declared in a pattern assignment. |
| } |
| |
| void usingVar() { |
| var x; |
| [x, var _] = [0, 1]; |
| // ^ |
| // [analyzer] SYNTACTIC_ERROR.PATTERN_ASSIGNMENT_DECLARES_VARIABLE |
| // [cfe] Variable '_' can't be declared in a pattern assignment. |
| } |
| |
| main() {} |