| library; | 
 | // | 
 | // Problems in library: | 
 | // | 
 | // pkg/front_end/testcases/nnbd/nullable_access.dart:23:18: Error: Property 'nonNullableField' cannot be accessed on 'Class?' because it is potentially null. | 
 | //  - 'Class' is from 'pkg/front_end/testcases/nnbd/nullable_access.dart'. | 
 | // Try accessing using ?. instead. | 
 | //   throws(() => c.nonNullableField); | 
 | //                  ^^^^^^^^^^^^^^^^ | 
 | // | 
 | import self as self; | 
 | import "dart:core" as core; | 
 |  | 
 | class Class extends core::Object { | 
 |   field self::A nonNullableField = #C1; | 
 |   synthetic constructor •() → self::Class | 
 |     : super core::Object::•() | 
 |     ; | 
 |   get nonNullableProperty() → self::A | 
 |     return this.{self::Class::nonNullableField}{self::A}; | 
 |   set nonNullableProperty(self::A value) → void { | 
 |     this.{self::Class::nonNullableField} = value; | 
 |   } | 
 |   method nonNullableMethod() → self::A | 
 |     return this.{self::Class::nonNullableField}{self::A}; | 
 | } | 
 | class A extends core::Object /*hasConstConstructor*/  { | 
 |   const constructor •() → self::A | 
 |     : super core::Object::•() | 
 |     ; | 
 |   get nonNullableProperty() → self::A | 
 |     return this; | 
 | } | 
 | static method main() → dynamic { | 
 |   self::Class? c; | 
 |   self::throws(() → void => invalid-expression "pkg/front_end/testcases/nnbd/nullable_access.dart:23:18: Error: Property 'nonNullableField' cannot be accessed on 'Class?' because it is potentially null. | 
 |  - 'Class' is from 'pkg/front_end/testcases/nnbd/nullable_access.dart'. | 
 | Try accessing using ?. instead. | 
 |   throws(() => c.nonNullableField); | 
 |                  ^^^^^^^^^^^^^^^^" in c.{self::Class::nonNullableField}{<nullable>}.{self::A}); | 
 |   self::expect(null, let final self::Class? #t1 = c in #t1 == null ?{self::A?} null : #t1{self::Class}.{self::Class::nonNullableField}{self::A}); | 
 |   self::expect(null, let final self::Class? #t2 = c in #t2 == null ?{self::A?} null : #t2{self::Class}.{self::Class::nonNullableField}{self::A}.{self::A::nonNullableProperty}{self::A}); | 
 | } | 
 | static method expect(dynamic expected, dynamic actual) → dynamic { | 
 |   if(!(expected =={core::Object::==}{(core::Object) → core::bool} actual)) | 
 |     throw "Expected ${expected}, actual ${actual}"; | 
 | } | 
 | static method throws(() → void f) → dynamic { | 
 |   try { | 
 |     f(){() → void}; | 
 |   } | 
 |   on core::Object catch(final core::Object e) { | 
 |     return; | 
 |   } | 
 |   throw "Expected throws."; | 
 | } | 
 |  | 
 | constants  { | 
 |   #C1 = self::A {} | 
 | } | 
 |  | 
 |  | 
 | Constructor coverage from constants: | 
 | org-dartlang-testcase:///nullable_access.dart: | 
 | - A. (from org-dartlang-testcase:///nullable_access.dart:16:9) | 
 | - Object. (from org-dartlang-sdk:///sdk/lib/core/object.dart) |