| // Copyright (c) 2016, 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. | 
 |  | 
 | main() { | 
 |   // Raw String may not contain newline (may not be multi-line). | 
 |   String x = '' | 
 |     r' // //# 01: syntax error | 
 | ' //      //# 01: continued | 
 |     r" // //# 02: syntax error | 
 | " //      //# 02: continued | 
 |       // Test that a raw string containing just one character, a \n char, fails. | 
 |       // Enclose the test string in a bigger multiline string, except in case 03: | 
 |     ''' // //# 03: syntax error | 
 |       """ | 
 |     ''' // //# 03: continued | 
 |     r' | 
 | ' | 
 |     ''' // //# 03: continued | 
 |     """ | 
 |     ''' // //# 03: continued | 
 |       ; | 
 | } |