| library test /*isNonNullableByDefault*/; |
| // |
| // Problems in library: |
| // |
| // pkg/front_end/testcases/inference/future_then_ifNull2.dart:20:11: Warning: Operand of null-aware operation '??' has type 'int' which excludes null. |
| // x ?? await new Future<int>.value(3)); |
| // ^ |
| // |
| // pkg/front_end/testcases/inference/future_then_ifNull2.dart:23:41: Warning: Operand of null-aware operation '??' has type 'int' which excludes null. |
| // return /*info:DOWN_CAST_COMPOSITE*/ await x ?? new Future<int>.value(3); |
| // ^ |
| // |
| // pkg/front_end/testcases/inference/future_then_ifNull2.dart:23:49: Error: A value of type 'Object' can't be returned from an async function with return type 'Future<int>'. |
| // - 'Object' is from 'dart:core'. |
| // - 'Future' is from 'dart:async'. |
| // return /*info:DOWN_CAST_COMPOSITE*/ await x ?? new Future<int>.value(3); |
| // ^ |
| // |
| // pkg/front_end/testcases/inference/future_then_ifNull2.dart:28:11: Warning: Operand of null-aware operation '??' has type 'int' which excludes null. |
| // x ?? new Future<int>.value(3)); |
| // ^ |
| // |
| // pkg/front_end/testcases/inference/future_then_ifNull2.dart:28:13: Error: A value of type 'Object' can't be returned from a function with return type 'FutureOr<int>'. |
| // - 'Object' is from 'dart:core'. |
| // x ?? new Future<int>.value(3)); |
| // ^ |
| // |
| // pkg/front_end/testcases/inference/future_then_ifNull2.dart:31:41: Warning: Operand of null-aware operation '??' has type 'int' which excludes null. |
| // return /*info:DOWN_CAST_COMPOSITE*/ x ?? new Future<int>.value(3); |
| // ^ |
| // |
| // pkg/front_end/testcases/inference/future_then_ifNull2.dart:31:43: Error: A value of type 'Object' can't be returned from a function with return type 'FutureOr<int>'. |
| // - 'Object' is from 'dart:core'. |
| // return /*info:DOWN_CAST_COMPOSITE*/ x ?? new Future<int>.value(3); |
| // ^ |
| // |
| import self as self; |
| import "dart:core" as core; |
| import "dart:async" as asy; |
| |
| import "dart:async"; |
| |
| class MyFuture<T extends core::Object? = dynamic> extends core::Object implements asy::Future<self::MyFuture::T%> { |
| constructor •() → self::MyFuture<self::MyFuture::T%> |
| : super core::Object::•() {} |
| constructor value(self::MyFuture::T% x) → self::MyFuture<self::MyFuture::T%> |
| : super core::Object::•() {} |
| method noSuchMethod(core::Invocation invocation) → dynamic |
| return null; |
| method then<S extends core::Object? = dynamic>((self::MyFuture::T%) → FutureOr<self::MyFuture::then::S%>f, {core::Function? onError = #C1}) → self::MyFuture<self::MyFuture::then::S%> |
| return throw ""; |
| no-such-method-forwarder method /* from org-dartlang-sdk:///sdk/lib/async/future.dart */ catchError(core::Function onError, {(core::Object) →? core::bool test = #C1}) → asy::Future<self::MyFuture::T%> |
| return this.{self::MyFuture::noSuchMethod}(new core::_InvocationMirror::_withType(#C2, 0, #C3, core::List::unmodifiable<dynamic>(core::_GrowableList::_literal1<dynamic>(onError)), core::Map::unmodifiable<core::Symbol*, dynamic>(<core::Symbol*, dynamic>{#C4: test}))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} asy::Future<self::MyFuture::T%>; |
| no-such-method-forwarder method /* from org-dartlang-sdk:///sdk/lib/async/future.dart */ whenComplete(() → FutureOr<void>action) → asy::Future<self::MyFuture::T%> |
| return this.{self::MyFuture::noSuchMethod}(new core::_InvocationMirror::_withType(#C5, 0, #C3, core::List::unmodifiable<dynamic>(core::_GrowableList::_literal1<dynamic>(action)), core::Map::unmodifiable<core::Symbol*, dynamic>(#C6))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} asy::Future<self::MyFuture::T%>; |
| no-such-method-forwarder method /* from org-dartlang-sdk:///sdk/lib/async/future.dart */ timeout(core::Duration timeLimit, {covariant-by-class () →? FutureOr<self::MyFuture::T%>onTimeout = #C1}) → asy::Future<self::MyFuture::T%> |
| return this.{self::MyFuture::noSuchMethod}(new core::_InvocationMirror::_withType(#C7, 0, #C3, core::List::unmodifiable<dynamic>(core::_GrowableList::_literal1<dynamic>(timeLimit)), core::Map::unmodifiable<core::Symbol*, dynamic>(<core::Symbol*, dynamic>{#C8: onTimeout}))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} asy::Future<self::MyFuture::T%>; |
| no-such-method-forwarder method /* from org-dartlang-sdk:///sdk/lib/async/future.dart */ asStream() → asy::Stream<self::MyFuture::T%> |
| return this.{self::MyFuture::noSuchMethod}(new core::_InvocationMirror::_withType(#C9, 0, #C3, #C10, core::Map::unmodifiable<core::Symbol*, dynamic>(#C6))){(core::Invocation) → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} asy::Stream<self::MyFuture::T%>; |
| } |
| static method test(self::MyFuture<core::int> f) → void { |
| asy::Future<core::int> t1 = f.{self::MyFuture::then}<core::int>((core::int x) → asy::Future<core::int> async /* futureValueType= core::int */ => let final core::int #t1 = x in #t1 == null ?{core::int} await asy::Future::value<core::int>(3) : #t1){((core::int) → FutureOr<core::int>, {onError: core::Function?}) → self::MyFuture<core::int>}; |
| asy::Future<core::int> t2 = f.{self::MyFuture::then}<core::int>((core::int x) → asy::Future<core::int> async /* futureValueType= core::int */ { |
| return invalid-expression "pkg/front_end/testcases/inference/future_then_ifNull2.dart:23:49: Error: A value of type 'Object' can't be returned from an async function with return type 'Future<int>'. |
| - 'Object' is from 'dart:core'. |
| - 'Future' is from 'dart:async'. |
| return /*info:DOWN_CAST_COMPOSITE*/ await x ?? new Future<int>.value(3); |
| ^" in (let final core::int #t2 = await x in #t2 == null ?{core::Object} asy::Future::value<core::int>(3) : #t2) as{TypeError,ForNonNullableByDefault} core::int; |
| }){((core::int) → FutureOr<core::int>, {onError: core::Function?}) → self::MyFuture<core::int>}; |
| asy::Future<core::int> t5 = f.{self::MyFuture::then}<core::int>((core::int x) → FutureOr<core::int> => invalid-expression "pkg/front_end/testcases/inference/future_then_ifNull2.dart:28:13: Error: A value of type 'Object' can't be returned from a function with return type 'FutureOr<int>'. |
| - 'Object' is from 'dart:core'. |
| x ?? new Future<int>.value(3)); |
| ^" in (let final core::int #t3 = x in #t3 == null ?{core::Object} asy::Future::value<core::int>(3) : #t3) as{TypeError,ForNonNullableByDefault} FutureOr<core::int>){((core::int) → FutureOr<core::int>, {onError: core::Function?}) → self::MyFuture<core::int>}; |
| asy::Future<core::int> t6 = f.{self::MyFuture::then}<core::int>((core::int x) → FutureOr<core::int> { |
| return invalid-expression "pkg/front_end/testcases/inference/future_then_ifNull2.dart:31:43: Error: A value of type 'Object' can't be returned from a function with return type 'FutureOr<int>'. |
| - 'Object' is from 'dart:core'. |
| return /*info:DOWN_CAST_COMPOSITE*/ x ?? new Future<int>.value(3); |
| ^" in (let final core::int #t4 = x in #t4 == null ?{core::Object} asy::Future::value<core::int>(3) : #t4) as{TypeError,ForNonNullableByDefault} FutureOr<core::int>; |
| }){((core::int) → FutureOr<core::int>, {onError: core::Function?}) → self::MyFuture<core::int>}; |
| } |
| static method main() → dynamic {} |
| |
| constants { |
| #C1 = null |
| #C2 = #catchError |
| #C3 = <core::Type*>[] |
| #C4 = #test |
| #C5 = #whenComplete |
| #C6 = <core::Symbol*, dynamic>{) |
| #C7 = #timeout |
| #C8 = #onTimeout |
| #C9 = #asStream |
| #C10 = <dynamic>[] |
| } |