| library; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/extensions/explicit_invalid_access.dart:10:3: Error: Explicit extension application cannot be used as an expression. | 
 | //   Extension(c); | 
 | //   ^^^^^^^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/explicit_invalid_access.dart:11:13: Error: A pattern field in an object pattern must be named. | 
 | // Try adding a pattern name or ':' before the pattern. | 
 | //   Extension(c) = 42; | 
 | //             ^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/explicit_invalid_access.dart:11:3: Error: 'Extension' isn't a type. | 
 | //   Extension(c) = 42; | 
 | //   ^^^^^^^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/explicit_invalid_access.dart:12:3: Error: Explicit extension application cannot be used as an expression. | 
 | //   Extension(c) += 42; | 
 | //   ^^^^^^^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/explicit_invalid_access.dart:13:3: Error: Explicit extension application cannot be used as an expression. | 
 | //   Extension(c)++; | 
 | //   ^^^^^^^^^ | 
 | // | 
 | // pkg/front_end/testcases/extensions/explicit_invalid_access.dart:14:5: Error: Explicit extension application cannot be used as an expression. | 
 | //   ++Extension(c); | 
 | //     ^^^^^^^^^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | class Class extends core::Object { | 
 |   synthetic constructor •() → self::Class | 
 |     : super core::Object::•() | 
 |     ; | 
 | } | 
 | extension Extension on self::Class { | 
 | } | 
 | static method errors(self::Class c) → dynamic { | 
 |   invalid-expression "pkg/front_end/testcases/extensions/explicit_invalid_access.dart:10:3: Error: Explicit extension application cannot be used as an expression. | 
 |   Extension(c); | 
 |   ^^^^^^^^^"; | 
 |   { | 
 |     final synthesized core::int #0#0 = 42; | 
 |     if(!true) | 
 |       throw{for-error-handling} new core::StateError::•("Pattern matching error"); | 
 |   } | 
 |   invalid-expression "pkg/front_end/testcases/extensions/explicit_invalid_access.dart:12:3: Error: Explicit extension application cannot be used as an expression. | 
 |   Extension(c) += 42; | 
 |   ^^^^^^^^^"; | 
 |   invalid-expression "pkg/front_end/testcases/extensions/explicit_invalid_access.dart:13:3: Error: Explicit extension application cannot be used as an expression. | 
 |   Extension(c)++; | 
 |   ^^^^^^^^^"; | 
 |   invalid-expression "pkg/front_end/testcases/extensions/explicit_invalid_access.dart:14:5: Error: Explicit extension application cannot be used as an expression. | 
 |   ++Extension(c); | 
 |     ^^^^^^^^^"; | 
 | } | 
 | static method main() → dynamic {} |