|  | // 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. | 
|  |  | 
|  | main() { | 
|  | var c1a = Class1a(0); | 
|  | Class1a(0, 1); | 
|  | c1a.field1 = null; | 
|  | c1a.field2 = null; | 
|  | c1a.field3 = null; | 
|  | print(c1a.field1); | 
|  | print(c1a.field2); | 
|  | print(c1a.field3); | 
|  |  | 
|  | var c1b = Class1b(0); | 
|  | Class1b(0, 1); | 
|  | print(c1b.field1); | 
|  | print(c1b.field2); | 
|  | print(c1b.field3); | 
|  |  | 
|  | var c2a = Class2a(0); | 
|  | Class2a(0, field2: 1); | 
|  | c2a.field1 = null; | 
|  | c2a.field2 = null; | 
|  | c2a.field3 = null; | 
|  | print(c2a.field1); | 
|  | print(c2a.field2); | 
|  | print(c2a.field3); | 
|  |  | 
|  | var c2b = Class2b(0); | 
|  | Class2b(0, field2: 1); | 
|  | print(c2b.field1); | 
|  | print(c2b.field2); | 
|  | print(c2b.field3); | 
|  | } | 
|  |  | 
|  | class Class1a { | 
|  | /*member: Class1a.field1:*/ | 
|  | var field1; | 
|  |  | 
|  | /*member: Class1a.field2:*/ | 
|  | var field2; | 
|  |  | 
|  | /*member: Class1a.field3:allocator,initial=IntConstant(3)*/ | 
|  | var field3; | 
|  |  | 
|  | Class1a(this.field1, [this.field2 = 2, this.field3 = 3]); | 
|  | } | 
|  |  | 
|  | class Class1b { | 
|  | /*member: Class1b.field1:*/ | 
|  | var field1; | 
|  |  | 
|  | /*member: Class1b.field2:*/ | 
|  | var field2; | 
|  |  | 
|  | /*member: Class1b.field3:constant=IntConstant(3)*/ | 
|  | var field3; | 
|  |  | 
|  | Class1b(this.field1, [this.field2 = 2, this.field3 = 3]); | 
|  | } | 
|  |  | 
|  | class Class2a { | 
|  | /*member: Class2a.field1:*/ | 
|  | var field1; | 
|  |  | 
|  | /*member: Class2a.field2:*/ | 
|  | var field2; | 
|  |  | 
|  | /*member: Class2a.field3:allocator,initial=IntConstant(3)*/ | 
|  | var field3; | 
|  |  | 
|  | Class2a(this.field1, {this.field2 = 2, this.field3 = 3}); | 
|  | } | 
|  |  | 
|  | class Class2b { | 
|  | /*member: Class2b.field1:*/ | 
|  | var field1; | 
|  |  | 
|  | /*member: Class2b.field2:*/ | 
|  | var field2; | 
|  |  | 
|  | /*member: Class2b.field3:constant=IntConstant(3)*/ | 
|  | var field3; | 
|  |  | 
|  | Class2b(this.field1, {this.field2 = 2, this.field3 = 3}); | 
|  | } |