|  | // Copyright (c) 2018, 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. | 
|  |  | 
|  | /*member: foo:Value([exact=JSBool|powerset={I}{O}{N}], value: false, powerset: {I}{O}{N})*/ | 
|  | foo( | 
|  | /*Value([exact=JSBool|powerset={I}{O}{N}], value: false, powerset: {I}{O}{N})*/ x, | 
|  | ) { | 
|  | return x; | 
|  | } | 
|  |  | 
|  | /*member: bar:[null|powerset={null}]*/ | 
|  | bar( | 
|  | /*Value([exact=JSBool|powerset={I}{O}{N}], value: false, powerset: {I}{O}{N})*/ x, | 
|  | ) { | 
|  | if (x) { | 
|  | print("aaa"); | 
|  | } else { | 
|  | print("bbb"); | 
|  | } | 
|  | } | 
|  |  | 
|  | /*member: main:[null|powerset={null}]*/ | 
|  | main() { | 
|  | bar(foo(false)); | 
|  | bar(foo(foo(false))); | 
|  | } |