Johnni Winther
204651f3ab
Change-Id: Ib43d0d71a3ee8b0f0e6d676e6a3e448a107b7ca5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/95180 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Stephen Adams <sra@google.com>
62 lines
2.1 KiB
Dart
62 lines
2.1 KiB
Dart
// Copyright (c) 2017, 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.
|
|
|
|
/*element: main:[null]*/
|
|
main() {
|
|
assumeDynamic();
|
|
notAssumeDynamic();
|
|
trustReturnTypeString();
|
|
trustParameterTypeString();
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Use annotation to assume parameter of [_assumeDynamic] is 'dynamic', i.e.
|
|
// could be any object, regardless of actuall call sites.
|
|
//
|
|
// [_assumeDynamic] is used in several tests below to force inference to create
|
|
// the 'dynamic' type.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/*element: _assumeDynamic:[null|subclass=Object]*/
|
|
@pragma('dart2js:assumeDynamic')
|
|
_assumeDynamic(/*[null|subclass=Object]*/ o) => o;
|
|
|
|
/*element: assumeDynamic:[null]*/
|
|
assumeDynamic() {
|
|
_assumeDynamic(0);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// As above but without the annotation.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/*element: _notAssumeDynamic:[exact=JSUInt31]*/
|
|
_notAssumeDynamic(/*[exact=JSUInt31]*/ o) => o;
|
|
|
|
/*element: notAssumeDynamic:[null]*/
|
|
notAssumeDynamic() {
|
|
_notAssumeDynamic(0);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// No annotation is needed to trust return type annotation.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/*element: trustReturnTypeString:[null|exact=JSString]*/
|
|
String trustReturnTypeString() {
|
|
return _assumeDynamic(0);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// No annotation is needed to trust parameter type annotation.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/*element: _trustParameterTypeString:[null]*/
|
|
_trustParameterTypeString(String /*[null|exact=JSString]*/ o) {}
|
|
|
|
/*element: trustParameterTypeString:[null]*/
|
|
trustParameterTypeString() {
|
|
_trustParameterTypeString(_assumeDynamic(0));
|
|
}
|