|  | library; | 
|  | // | 
|  | // Problems in library: | 
|  | // | 
|  | // pkg/front_end/testcases/rasta/issue_000036.dart:5:14: Error: Expected an identifier, but got '-'. | 
|  | // Try inserting an identifier before '-'. | 
|  | // main() => a. - 5; | 
|  | //              ^ | 
|  | // | 
|  | // pkg/front_end/testcases/rasta/issue_000036.dart:5:14: Error: Expected an identifier, but got ''. | 
|  | // Try inserting an identifier before ''. | 
|  | // main() => a. - 5; | 
|  | //              ^ | 
|  | // | 
|  | import self as self; | 
|  |  | 
|  | static method main() → dynamic | 
|  | return invalid-expression "pkg/front_end/testcases/rasta/issue_000036.dart:5:14: Error: Expected an identifier, but got ''. | 
|  | Try inserting an identifier before ''. | 
|  | main() => a. - 5; | 
|  | ^"{<invalid>}.-(5); |