| // 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. |
| |
| /// The interpolated identifier can't start with '$'. |
| |
| main() { |
| var $x = 1; |
| var s = "eins und $$x macht zwei."; |
| // ^ |
| // [analyzer] SYNTACTIC_ERROR.MISSING_IDENTIFIER |
| // [cfe] A '$' has special meaning inside a string, and must be followed by an identifier or an expression in curly braces ({}). |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_IDENTIFIER |
| // [cfe] Undefined name 'x'. |
| } |
