768EnumeratorResult found = GetEnumeratorInfoCore(syntax, collectionSyntax, ref collectionExpr, isAsync, diagnostics, out builder); 771case EnumeratorResult.Succeeded: 773case EnumeratorResult.FailedAndReported: 789bool wrongAsync = GetEnumeratorInfoCore(syntax, collectionSyntax, ref originalCollectionExpr, !isAsync, BindingDiagnosticBag.Discarded, builder: out _) == EnumeratorResult.Succeeded; 812private EnumeratorResult GetEnumeratorInfoCore(SyntaxNode syntax, SyntaxNode collectionSyntax, ref BoundExpression collectionExpr, bool isAsync, BindingDiagnosticBag diagnostics, out ForEachEnumeratorInfo.Builder builder) 814EnumeratorResult result; 840return EnumeratorResult.FailedAndReported; 849return EnumeratorResult.FailedAndReported; 865((result is EnumeratorResult.Succeeded && builder.ElementTypeWithAnnotations.Equals(elementField.TypeWithAnnotations, TypeCompareKind.AllIgnoreOptions) && 867result is EnumeratorResult.FailedAndReported)) 877if (result == EnumeratorResult.Succeeded) 897return EnumeratorResult.FailedAndReported; 914EnumeratorResult getEnumeratorInfo(SyntaxNode syntax, SyntaxNode collectionSyntax, ref BoundExpression collectionExpr, bool isAsync, BindingDiagnosticBag diagnostics, out ForEachEnumeratorInfo.Builder builder) 930return EnumeratorResult.FailedAndReported; 938return EnumeratorResult.FailedAndReported; 944return EnumeratorResult.FailedAndReported; 952return EnumeratorResult.FailedAndReported; 955return EnumeratorResult.Succeeded; 966return EnumeratorResult.FailedAndReported; 976return EnumeratorResult.FailedAndReported; 983return EnumeratorResult.FailedAndReported; 986if (SatisfiesIEnumerableInterfaces(collectionSyntax, ref builder, unwrappedCollectionExpr, isAsync, diagnostics, unwrappedCollectionExprType) is not EnumeratorResult.FailedNotReported and var result) 1001return EnumeratorResult.FailedAndReported; 1005return EnumeratorResult.Succeeded; 1013return EnumeratorResult.FailedNotReported; 1016EnumeratorResult createPatternBasedEnumeratorResult(ref ForEachEnumeratorInfo.Builder builder, BoundExpression collectionExpr, bool isAsync, bool viaExtensionMethod, BindingDiagnosticBag diagnostics) 1033return EnumeratorResult.Succeeded; 1038return EnumeratorResult.FailedAndReported; 1042private EnumeratorResult SatisfiesIEnumerableInterfaces(SyntaxNode collectionSyntax, ref ForEachEnumeratorInfo.Builder builder, BoundExpression collectionExpr, bool isAsync, BindingDiagnosticBag diagnostics, TypeSymbol unwrappedCollectionExprType) 1046return EnumeratorResult.FailedNotReported; 1051return EnumeratorResult.FailedAndReported; 1062return EnumeratorResult.FailedAndReported; 1094return EnumeratorResult.FailedAndReported; 1171return EnumeratorResult.Succeeded;