FirstOrDefault

ConfigSchemaEmitter.cs (1)

384propertySymbol = typeSymbol.GetMembers(property.Name).FirstOrDefault() as IPropertySymbol;

RuntimeSource\Configuration.Binder\ConfigurationBindingGenerator.Parser.cs (1)

675string configKeyName = attributeData?.ConstructorArguments.FirstOrDefault().Value as string ?? propertyName;

TrimAnalysis\SingleValueExtensions.cs (1)

17 var underlyingType = (type as INamedTypeSymbol)?.TypeArguments.FirstOrDefault ();

TrimAnalysis\TrimDataFlowAnalysis.cs (2)

93 if (block.Block.Operations.FirstOrDefault () is not IOperation op) 115 if (block.Block.Operations.FirstOrDefault () is IOperation firstBlockOp) {

ApiLifecycle\ApiLifecycleAnalyzer.cs (7)

76context.ReportDiagnostic(Diagnostic.Create(DiagDescriptors.NewSymbolsMustBeMarkedExperimental, symbol.Locations.FirstOrDefault(), symbol)); 113context.ReportDiagnostic(Diagnostic.Create(DiagDescriptors.ExperimentalSymbolsCantBeMarkedObsolete, symbol.Locations.FirstOrDefault(), symbol)); 120context.ReportDiagnostic(Diagnostic.Create(DiagDescriptors.PublishedSymbolsCantBeMarkedExperimental, symbol.Locations.FirstOrDefault(), symbol)); 127context.ReportDiagnostic(Diagnostic.Create(DiagDescriptors.PublishedSymbolsCantChange, symbol.Locations.FirstOrDefault(), symbol)); 135context.ReportDiagnostic(Diagnostic.Create(DiagDescriptors.PublishedSymbolsCantChange, symbol.Locations.FirstOrDefault(), symbol)); 156context.ReportDiagnostic(Diagnostic.Create(DiagDescriptors.NewSymbolsMustBeMarkedExperimental, type.Locations.FirstOrDefault(), type)); 160context.ReportDiagnostic(Diagnostic.Create(DiagDescriptors.ExperimentalSymbolsCantBeMarkedObsolete, type.Locations.FirstOrDefault(), type));

Kestrel\ListenOnIPv6AnyAnalyzer.cs (2)

47var addressArgument = kestrelOptionsListenInvocation?.Arguments.FirstOrDefault(); 79var localVariableDeclaration = localReferenceOperation.Local.DeclaringSyntaxReferences.FirstOrDefault();

RouteEmbeddedLanguage\RoutePatternHighlighter.cs (1)

99.Where(i => semanticModel.GetSymbolInfo(i) is var symbolInfo && SymbolEqualityComparer.Default.Equals(symbolInfo.Symbol ?? symbolInfo.CandidateSymbols.FirstOrDefault(), matchingParameter));

RouteHandlers\DetectMismatchedParameterOptionality.cs (1)

35var location = parameter.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax().GetLocation();

src\Shared\Roslyn\CodeAnalysisExtensions.cs (1)

187var firstArg = invocation.Arguments.FirstOrDefault();

src\Shared\RoslynUtils\SymbolExtensions.cs (1)

162=> info.Symbol ?? info.CandidateSymbols.FirstOrDefault();

ComponentParameterAnalyzer.cs (1)

76var propertyLocation = property.Locations.FirstOrDefault();

InternalUsageAnalyzer.cs (2)

168symbolForDiagnostic.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax().GetLocation() ?? Location.None, 178symbolForDiagnostic.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax().GetLocation() ?? Location.None,

ComponentParameterAnalyzer.cs (1)

70var propertyLocation = property.Locations.FirstOrDefault();

InternalUsageAnalyzer.cs (2)

168symbolForDiagnostic.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax().GetLocation() ?? Location.None, 178symbolForDiagnostic.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax().GetLocation() ?? Location.None,

src\Shared\RoslynUtils\SymbolExtensions.cs (1)

162=> info.Symbol ?? info.CandidateSymbols.FirstOrDefault();

StaticRouteHandlerModel\EndpointParameter.cs (1)

158var constructorArgument = keyedServicesAttribute.ConstructorArguments.FirstOrDefault();

src\Shared\Roslyn\CodeAnalysisExtensions.cs (1)

187var firstArg = invocation.Arguments.FirstOrDefault();

src\Shared\Roslyn\CodeAnalysisExtensions.cs (1)

187var firstArg = invocation.Arguments.FirstOrDefault();

InternalUtilities\OneOrMany.cs (1)

140=> HasOneItem ? _one : _many.FirstOrDefault();

src\Analyzers\Core\Analyzers\Helpers\HashCodeAnalyzer\HashCodeAnalyzer.cs (1)

43if (objectType?.GetMembers(nameof(GetHashCode)).FirstOrDefault() is not IMethodSymbol objectGetHashCodeMethod)

src\Analyzers\Core\Analyzers\NamingStyle\NamingStyleDiagnosticAnalyzerBase.cs (2)

60var sourceTree = symbolContext.Symbol.Locations.FirstOrDefault()?.SourceTree; 88if (symbol?.Locations.FirstOrDefault()?.SourceTree is not { } sourceTree)

src\Analyzers\Core\Analyzers\RemoveUnusedParametersAndValues\AbstractRemoveUnusedParametersAndValuesDiagnosticAnalyzer.SymbolStartAnalyzer.cs (1)

263var methodSyntax = method.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax(cancellationToken);

src\Compilers\Core\Portable\InternalUtilities\OneOrMany.cs (1)

140=> HasOneItem ? _one : _many.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SymbolInfoExtensions.cs (1)

22=> info.Symbol ?? info.CandidateSymbols.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Simplification\SymbolAnnotation.cs (1)

21=> GetSymbols(annotation, compilation).FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\SymbolKey\SymbolKey.AliasSymbolKey.cs (1)

22visitor.WriteString(symbol.DeclaringSyntaxReferences.FirstOrDefault()?.SyntaxTree.FilePath ?? "");

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\SymbolKey\SymbolKey.AnonymousTypeSymbolKey.cs (1)

26var propertyLocations = properties.SelectAsArray(p => p.Locations.FirstOrDefault());

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\SymbolKey\SymbolKey.TupleTypeSymbolKey.cs (1)

32locations.Add(element.Locations.FirstOrDefault() ?? Location.None);

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Utilities\SymbolEquivalenceComparer.GetHashCodeVisitor.cs (4)

100Hash.Combine(x.Locations.FirstOrDefault(), currentHash)); 104=> Hash.Combine(x.Locations.FirstOrDefault(), currentHash); 114return Hash.Combine(x.Locations.FirstOrDefault(), currentHash); 292=> Hash.Combine(x.Locations.FirstOrDefault(), currentHash);

src\Analyzers\Core\CodeFixes\ConvertToAsync\AbstractConvertToAsyncCodeFixProvider.cs (1)

38var diagnostic = context.Diagnostics.FirstOrDefault();

src\Analyzers\Core\CodeFixes\GenerateDefaultConstructors\AbstractGenerateDefaultConstructorCodeFixProvider.cs (1)

24var diagnostic = context.Diagnostics.FirstOrDefault();

src\Analyzers\Core\CodeFixes\GenerateVariable\AbstractGenerateVariableService.State.cs (2)

354AfterThisLocation ??= previousAssignedSymbol?.Locations.FirstOrDefault(); 355BeforeThisLocation ??= nextAssignedSymbol?.Locations.FirstOrDefault();

src\Analyzers\Core\CodeFixes\Iterator\AbstractIteratorCodeFixProvider.cs (1)

34var diagnostic = context.Diagnostics.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\ITypeInferenceServiceExtensions.cs (1)

110return types.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_CreateEqualsMethod.cs (1)

80.Single(m => containingType.Equals(m.Parameters.FirstOrDefault()?.Type));

Binder\Binder_Statements.cs (1)

3332LocalSymbol local = locals.FirstOrDefault();

BoundTree\BoundExpressionExtensions.cs (1)

196var ctor = expr.Type.GetMembers(WellKnownMemberNames.InstanceConstructorName).FirstOrDefault();

Compilation\CSharpCompilation.cs (2)

4696bool value = SyntaxTrees.FirstOrDefault()?.Options?.Features?.ContainsKey("nullablePublicOnly") == true; 4803CSharpSyntaxTree? firstTree = (CSharpSyntaxTree?)SyntaxTrees.FirstOrDefault();

Compilation\CSharpSemanticModel.cs (2)

3281LocalSymbol local = foreachBinder.GetDeclaredLocalsForScope(forEachStatement).FirstOrDefault(); 3320LocalSymbol local = catchBinder.GetDeclaredLocalsForScope(catchClause).FirstOrDefault();

FlowAnalysis\DataFlowsOutWalker.cs (1)

161var local = ((BoundCatchBlock)node).Locals.FirstOrDefault();

FlowAnalysis\NullableWalker.cs (1)

8547tupleType.GetMembers(NamedTypeSymbol.ValueTupleRestFieldName).FirstOrDefault() is FieldSymbol restField)

FlowAnalysis\VariablesDeclaredWalker.cs (1)

148var local = catchBlock.Locals.FirstOrDefault();

Symbols\Source\SourceEventSymbol.cs (1)

767EventSymbol? explicitlyImplementedEvent = ExplicitInterfaceImplementations.FirstOrDefault();

Symbols\Source\SourceMemberContainerSymbol.cs (1)

1989Symbol? lastSym = GetTypeMembers(name).FirstOrDefault();

Symbols\Source\SourceModuleSymbol.cs (1)

600var options = (CSharpParseOptions?)compilation.SyntaxTrees.FirstOrDefault()?.Options;

Symbols\Source\SourceNamedTypeSymbol.cs (1)

1818if (Indexers.FirstOrDefault() is PropertySymbol indexerSymbol)

Symbols\Source\SourcePropertyAccessorSymbol.cs (2)

608PropertySymbol? explicitlyImplementedPropertyOpt = IsExplicitInterfaceImplementation ? _property.ExplicitInterfaceImplementations.FirstOrDefault() : null; 682PropertySymbol? explicitlyImplementedPropertyOpt = _property.ExplicitInterfaceImplementations.FirstOrDefault();

Symbols\Source\SourcePropertySymbolBase.cs (1)

993PropertySymbol? explicitlyImplementedProperty = ExplicitInterfaceImplementations.FirstOrDefault();

Symbols\Source\SourceSimpleParameterSymbol.cs (1)

27: this(owner, parameterType, ordinal, refKind, name, locations.FirstOrDefault())

Symbols\SymbolExtensions.cs (2)

363SyntaxReference? reference = symbol.DeclaringSyntaxReferences.FirstOrDefault(); 370reference = containingSymbol.DeclaringSyntaxReferences.FirstOrDefault();

src\Analyzers\CSharp\Analyzers\InlineDeclaration\CSharpInlineDeclarationDiagnosticAnalyzer.cs (1)

139var localReference = outLocalSymbol.DeclaringSyntaxReferences.FirstOrDefault();

src\Analyzers\CSharp\Analyzers\MakeLocalFunctionStatic\MakeLocalFunctionStaticHelper.cs (1)

32var node = calledLocationFunction.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax();

src\Analyzers\CSharp\Analyzers\NamingStyle\CSharpNamingStyleDiagnosticAnalyzer.cs (1)

31&& symbol.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() is ParameterSyntax

src\Analyzers\CSharp\Analyzers\UsePatternMatching\CSharpAsAndNullCheckDiagnosticAnalyzer.cs (1)

323declarator = localSymbol?.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() as VariableDeclaratorSyntax;

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ITypeSymbolExtensions.cs (1)

53c => c.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() is RecordDeclarationSyntax or ClassDeclarationSyntax or StructDeclarationSyntax);

src\Analyzers\CSharp\CodeFixes\ConvertToAsync\CSharpConvertToAsyncMethodCodeFixProvider.cs (1)

76var methodReference = methodSymbol.DeclaringSyntaxReferences.FirstOrDefault();

src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordHelpers.cs (6)

315=> member.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() == 316param.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax()); 540else if (TryGetAssignmentFromParameterWithExplicitCast(bodyOps.FirstOrDefault(), parameter, out otherC)) 968if (bodyOps.FirstOrDefault() is not IConditionalOperation 1103equatableType.GetMembers(nameof(Equals)).FirstOrDefault() is IMethodSymbol equatableEquals && 1110var objectEquals = objectType?.GetMembers(nameof(Equals)).FirstOrDefault() as IMethodSymbol;

src\Analyzers\CSharp\CodeFixes\GenerateConstructor\CSharpGenerateConstructorService.cs (1)

135typeToGenerateIn = symbolInfo.CandidateSymbols.FirstOrDefault().ContainingSymbol as INamedTypeSymbol;

src\Analyzers\CSharp\CodeFixes\Nullable\CSharpDeclareAsNullableCodeFixProvider.cs (1)

304if (parameterSymbol?.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax(cancellationToken) is ParameterSyntax parameterSyntax &&

src\Analyzers\CSharp\CodeFixes\ReplaceDefaultLiteral\CSharpReplaceDefaultLiteralCodeFixProvider.cs (1)

88type.GetMembers("None").FirstOrDefault() is IFieldSymbol field && IsZero(field.ConstantValue))

src\Analyzers\CSharp\CodeFixes\UseUtf8StringLiteral\UseUtf8StringLiteralCodeFixProvider.cs (1)

120.Where(a => a.Initializer?.ElementValues.FirstOrDefault()?.Syntax.SpanStart == diagnostic.Location.SourceSpan.Start)

GoToBase\CSharpGoToBaseService.cs (1)

29if (constructor.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax(cancellationToken) is not ConstructorDeclarationSyntax constructorDeclaration)

SymbolKey\SymbolKeyCompilationsTests.cs (7)

131var type = ns.GetTypeMembers("C1").FirstOrDefault(); 158var type = ns.GetTypeMembers("C1").FirstOrDefault(); 186var type = ns.GetTypeMembers("C1").FirstOrDefault(); 464var typeSym00 = namespace1.GetTypeMembers("C1").FirstOrDefault(); 467var typeSym01 = namespace2.GetTypeMembers("C1").FirstOrDefault(); 572var typeSym01 = namespace1.GetTypeMembers("C1").FirstOrDefault(); 575var typeSym02 = namespace2.GetTypeMembers("C1").FirstOrDefault();

SymbolKey\SymbolKeyMetadataVsSourceTests.cs (2)

71var typesym = comp2.SourceModule.GlobalNamespace.GetTypeMembers("App").FirstOrDefault(); 254var typeTest = comp40.SourceModule.GlobalNamespace.GetTypeMembers("Test").FirstOrDefault();

CodeGen\CodeGenTupleTest.cs (12)

Emit\EditAndContinue\EditAndContinueTestBase.cs (1)

266var previousParseOptions = (CSharpParseOptions)compilation.SyntaxTrees.FirstOrDefault()?.Options;

ChangeSignature\CSharpChangeSignatureService.cs (1)

184return (symbolInfo.Symbol ?? symbolInfo.CandidateSymbols.FirstOrDefault(), parameterIndex);

ExtractMethod\CSharpMethodExtractor.PostProcessor.cs (1)

82if (statements.FirstOrDefault() == null)

GenerateConstructors\CSharpGenerateConstructorsCodeRefactoringProvider.cs (1)

72return property.ContainingType.GetMembers(accessedMemberName).FirstOrDefault() as IFieldSymbol;

GoToDefinition\CSharpGoToDefinitionSymbolService.cs (2)

69return symbol.Locations.FirstOrDefault()?.SourceSpan.Start ?? 0; 84return target.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax()?.SpanStart;

LanguageServices\CSharpSymbolDisplayService.SymbolDescriptionBuilder.cs (1)

256var syntax = method.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax();

SignatureHelp\ElementAccessExpressionSignatureHelpProvider.cs (1)

215expressionType = errorType.CandidateSymbols.FirstOrDefault().GetSymbolType()

src\Analyzers\CSharp\Analyzers\InlineDeclaration\CSharpInlineDeclarationDiagnosticAnalyzer.cs (1)

139var localReference = outLocalSymbol.DeclaringSyntaxReferences.FirstOrDefault();

src\Analyzers\CSharp\Analyzers\MakeLocalFunctionStatic\MakeLocalFunctionStaticHelper.cs (1)

32var node = calledLocationFunction.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax();

src\Analyzers\CSharp\Analyzers\NamingStyle\CSharpNamingStyleDiagnosticAnalyzer.cs (1)

31&& symbol.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() is ParameterSyntax

src\Analyzers\CSharp\Analyzers\UsePatternMatching\CSharpAsAndNullCheckDiagnosticAnalyzer.cs (1)

323declarator = localSymbol?.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() as VariableDeclaratorSyntax;

src\Analyzers\CSharp\CodeFixes\ConvertToAsync\CSharpConvertToAsyncMethodCodeFixProvider.cs (1)

76var methodReference = methodSymbol.DeclaringSyntaxReferences.FirstOrDefault();

src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordHelpers.cs (6)

315=> member.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() == 316param.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax()); 540else if (TryGetAssignmentFromParameterWithExplicitCast(bodyOps.FirstOrDefault(), parameter, out otherC)) 968if (bodyOps.FirstOrDefault() is not IConditionalOperation 1103equatableType.GetMembers(nameof(Equals)).FirstOrDefault() is IMethodSymbol equatableEquals && 1110var objectEquals = objectType?.GetMembers(nameof(Equals)).FirstOrDefault() as IMethodSymbol;

src\Analyzers\CSharp\CodeFixes\GenerateConstructor\CSharpGenerateConstructorService.cs (1)

135typeToGenerateIn = symbolInfo.CandidateSymbols.FirstOrDefault().ContainingSymbol as INamedTypeSymbol;

src\Analyzers\CSharp\CodeFixes\Nullable\CSharpDeclareAsNullableCodeFixProvider.cs (1)

304if (parameterSymbol?.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax(cancellationToken) is ParameterSyntax parameterSyntax &&

src\Analyzers\CSharp\CodeFixes\ReplaceDefaultLiteral\CSharpReplaceDefaultLiteralCodeFixProvider.cs (1)

88type.GetMembers("None").FirstOrDefault() is IFieldSymbol field && IsZero(field.ConstantValue))

src\Analyzers\CSharp\CodeFixes\UseUtf8StringLiteral\UseUtf8StringLiteralCodeFixProvider.cs (1)

120.Where(a => a.Initializer?.ElementValues.FirstOrDefault()?.Syntax.SpanStart == diagnostic.Location.SourceSpan.Start)

Compilation\CompilationAPITests.cs (4)

641Assert.Equal(430, errs.FirstOrDefault().Code); 709Assert.Equal(430, errs.FirstOrDefault().Code); 2613Assert.All(type.GetMembers().OfType<IPropertySymbol>().Select(p => p.Locations.FirstOrDefault()), 2649Assert.All(type.GetMembers().OfType<IPropertySymbol>().Select(p => p.Locations.FirstOrDefault()),

Compilation\GetSemanticInfoTests.cs (1)

389var tsym = comp.SourceModule.GlobalNamespace.GetTypeMembers("Test").FirstOrDefault();

Compilation\SemanticModelGetDeclaredSymbolAPITests.cs (2)

3144var prop = typeA.GetMembers("Prop1").FirstOrDefault() as IPropertySymbol; 3152prop = typeA.GetMembers("Prop2").FirstOrDefault() as IPropertySymbol;

DocumentationComments\CrefTests.cs (1)

6630return references.FirstOrDefault();

Symbols\TypeTests.cs (2)

1504var topType = comp.SourceModule.GlobalNamespace.GetTypeMembers("NullableTest").FirstOrDefault(); 1611var topType = comp.SourceModule.GlobalNamespace.GetTypeMembers("S").FirstOrDefault();

Simplification\Simplifiers\ExpressionSimplifier.cs (1)

144var syntaxRef = aliasReplacement.DeclaringSyntaxReferences.FirstOrDefault();

Simplification\Simplifiers\NameSimplifier.cs (2)

120var syntaxRef = aliasReplacement.DeclaringSyntaxReferences.FirstOrDefault(); 448var argumentDecl = argument.DeclaringSyntaxReferences.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ITypeSymbolExtensions.cs (1)

53c => c.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() is RecordDeclarationSyntax or ClassDeclarationSyntax or StructDeclarationSyntax);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\Extensions\TypeSyntaxExtensions.cs (1)

45var firstSymbol = symbols.FirstOrDefault();

EditAndContinue\ActiveStatementTrackingService.cs (1)

315documentId ??= solution.GetDocumentIdsWithFilePath(filePath).FirstOrDefault();

EditorConfigSettings\DataProvider\SettingsProviderBase.cs (1)

56var project = projects.FirstOrDefault();

PullMemberUp\TestPullMemberUpService.cs (1)

44destination = allInterfaces.FirstOrDefault() ?? baseClass;

Peek\PeekableItemFactory.cs (1)

86var firstLocation = symbol.Locations.FirstOrDefault();

ChangeSignature\AbstractChangeSignatureService.cs (2)

155var declarationLocation = symbol.Locations.FirstOrDefault(); 166var reference = symbol.DeclaringSyntaxReferences.FirstOrDefault();

ChangeSignature\DelegateInvokeMethodReferenceFinder.cs (1)

48var beginInvoke = symbol.ContainingType.GetMembers(WellKnownMemberNames.DelegateBeginInvokeName).FirstOrDefault();

CodeRefactorings\MoveType\AbstractMoveTypeService.cs (1)

69var editor = Editor.GetEditor(operationKind, (TService)this, state, suggestedFileNames.FirstOrDefault(), cancellationToken);

Completion\Providers\AbstractMemberInsertingCompletionProvider.cs (1)

151var member = symbols.FirstOrDefault();

FullyQualify\AbstractFullyQualifyService.cs (1)

206var member = container.GetMembers(name).FirstOrDefault();

MoveStaticMembers\MoveStaticMembersWithDialogCodeAction.cs (1)

57.Select(symbol => symbol.Locations.FirstOrDefault())

QuickInfo\CommonSemanticQuickInfoProvider.cs (1)

135&& !ErrorVisitor.ContainsError(symbols.FirstOrDefault());

src\Analyzers\Core\Analyzers\Helpers\HashCodeAnalyzer\HashCodeAnalyzer.cs (1)

43if (objectType?.GetMembers(nameof(GetHashCode)).FirstOrDefault() is not IMethodSymbol objectGetHashCodeMethod)

src\Analyzers\Core\Analyzers\NamingStyle\NamingStyleDiagnosticAnalyzerBase.cs (2)

60var sourceTree = symbolContext.Symbol.Locations.FirstOrDefault()?.SourceTree; 88if (symbol?.Locations.FirstOrDefault()?.SourceTree is not { } sourceTree)

src\Analyzers\Core\Analyzers\RemoveUnusedParametersAndValues\AbstractRemoveUnusedParametersAndValuesDiagnosticAnalyzer.SymbolStartAnalyzer.cs (1)

263var methodSyntax = method.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax(cancellationToken);

src\Analyzers\Core\CodeFixes\ConvertToAsync\AbstractConvertToAsyncCodeFixProvider.cs (1)

38var diagnostic = context.Diagnostics.FirstOrDefault();

src\Analyzers\Core\CodeFixes\GenerateDefaultConstructors\AbstractGenerateDefaultConstructorCodeFixProvider.cs (1)

24var diagnostic = context.Diagnostics.FirstOrDefault();

src\Analyzers\Core\CodeFixes\GenerateVariable\AbstractGenerateVariableService.State.cs (2)

354AfterThisLocation ??= previousAssignedSymbol?.Locations.FirstOrDefault(); 355BeforeThisLocation ??= nextAssignedSymbol?.Locations.FirstOrDefault();

src\Analyzers\Core\CodeFixes\Iterator\AbstractIteratorCodeFixProvider.cs (1)

34var diagnostic = context.Diagnostics.FirstOrDefault();

DocumentChanges\DocumentChangesTests.cs (6)

82var document = testLspServer.GetTrackedTexts().FirstOrDefault(); 203var document = testLspServer.GetTrackedTexts().FirstOrDefault(); 281var document = testLspServer.GetTrackedTexts().FirstOrDefault(); 320var document = testLspServer.GetTrackedTexts().FirstOrDefault(); 360var document = testLspServer.GetTrackedTexts().FirstOrDefault(); 444var document = testLspServer.GetTrackedTexts().FirstOrDefault();

Diagnostics\CouldHaveMoreSpecificTypeAnalyzer.cs (2)

295context.ReportDiagnostic(Diagnostic.Create(descriptor, local.Locations.FirstOrDefault(), local, moreSpecificType)); 300context.ReportDiagnostic(Diagnostic.Create(descriptor, field.Locations.FirstOrDefault(), field, moreSpecificType));

Diagnostics\FieldCouldBeReadOnlyAnalyzer.cs (1)

144context.ReportDiagnostic(Diagnostic.Create(descriptor, field.Locations.FirstOrDefault()));

Diagnostics\LocalCouldBeConstAnalyzer.cs (1)

135context.ReportDiagnostic(Diagnostic.Create(descriptor, local.Locations.FirstOrDefault()));

Diagnostics\SuppressMessageTargetSymbolResolverTests.cs (1)

1419Assert.True(symbols.FirstOrDefault() == null,

CommandLine\VisualBasicCommandLineArguments.vb (1)

113Dim defaultCorLibrary = ResolveMetadataReference(Me.DefaultCoreLibraryReference.Value, metadataResolver, diagnostics, messageProvider).FirstOrDefault()

Symbols\AliasSymbol.vb (2)

245Equals(Me.Locations.FirstOrDefault(), other.Locations.FirstOrDefault()) AndAlso

CodeFixes\FixAllOccurrences\FixAllState.cs (1)

70var diagnosticSpan = diagnosticsToFix.First().Value.FirstOrDefault()?.Location.SourceSpan;

FindSymbols\FindReferences\DependentProjectsFinder.cs (1)

289var typeNameConstant = attr.ConstructorArguments.FirstOrDefault();

FindSymbols\FindReferences\Finders\AbstractMemberScopedReferenceFinder.cs (1)

37var location = symbol.Locations.FirstOrDefault();

Shared\Extensions\ISolutionExtensions.cs (1)

49var documentId = solution.GetDocumentIdsWithFilePath(location.GetLineSpan().Path).FirstOrDefault();

Shared\Extensions\ISymbolExtensions.cs (3)

485return methodSymbol.ExplicitOrImplicitInterfaceImplementations().FirstOrDefault(); 498return typeSymbol.Interfaces.FirstOrDefault(); 507return memberSymbol.ExplicitOrImplicitInterfaceImplementations().FirstOrDefault();

src\Compilers\Core\Portable\InternalUtilities\OneOrMany.cs (1)

140=> HasOneItem ? _one : _many.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SymbolInfoExtensions.cs (1)

22=> info.Symbol ?? info.CandidateSymbols.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Simplification\SymbolAnnotation.cs (1)

21=> GetSymbols(annotation, compilation).FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\SymbolKey\SymbolKey.AliasSymbolKey.cs (1)

22visitor.WriteString(symbol.DeclaringSyntaxReferences.FirstOrDefault()?.SyntaxTree.FilePath ?? "");

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\SymbolKey\SymbolKey.AnonymousTypeSymbolKey.cs (1)

26var propertyLocations = properties.SelectAsArray(p => p.Locations.FirstOrDefault());

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\SymbolKey\SymbolKey.TupleTypeSymbolKey.cs (1)

32locations.Add(element.Locations.FirstOrDefault() ?? Location.None);

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Utilities\SymbolEquivalenceComparer.GetHashCodeVisitor.cs (4)

100Hash.Combine(x.Locations.FirstOrDefault(), currentHash)); 104=> Hash.Combine(x.Locations.FirstOrDefault(), currentHash); 114return Hash.Combine(x.Locations.FirstOrDefault(), currentHash); 292=> Hash.Combine(x.Locations.FirstOrDefault(), currentHash);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\ITypeInferenceServiceExtensions.cs (1)

110return types.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_CreateEqualsMethod.cs (1)

80.Single(m => containingType.Equals(m.Parameters.FirstOrDefault()?.Type));

src\Compilers\Core\Portable\InternalUtilities\OneOrMany.cs (1)

140=> HasOneItem ? _one : _many.FirstOrDefault();

UtilityTest\DocumentationCommentIdTests.cs (1)

56var sym = DocumentationCommentId.GetSymbolsForReferenceId(id, compilation).FirstOrDefault();

ComMethodInfo.cs (2)

119return DiagnosticOr<(ComMethodInfo, IMethodSymbol)>.From(DiagnosticInfo.Create(GeneratorDiagnostics.MethodNotDeclaredInAttributedInterface, method.Locations.FirstOrDefault(), method.ToDisplayString())); 135return DiagnosticOr<(ComMethodInfo, IMethodSymbol)>.From(DiagnosticInfo.Create(GeneratorDiagnostics.CannotAnalyzeMethodPattern, method.Locations.FirstOrDefault(), method.ToDisplayString()));

ProjectSystem\VisualStudioWorkspaceImpl.cs (1)

717var documentId = documentTrackingService.TryGetActiveDocument() ?? documentTrackingService.GetVisibleDocuments().FirstOrDefault();

ProjectSystem\VisualStudioWorkspaceImpl.RenameDocumentUndoUnit.cs (1)

33var documentId = _workspace.CurrentSolution.GetDocumentIdsWithFilePath(_filePath).FirstOrDefault();

Snippets\SnippetExpansionClient.cs (1)

841var firstField = _state._method?.Parameters.FirstOrDefault()?.Name ?? PlaceholderSnippetField;

Client\RemoteLanguageServiceWorkspace.cs (2)

241var docId = CurrentSolution.GetDocumentIdsWithFilePath(filePath).FirstOrDefault(); 279var docId = CurrentSolution.GetDocumentIdsWithFilePath(filePath).FirstOrDefault();

EnumValidationTests.cs (1)

309Assert.False(diagnostics.Any(d => d.Severity == DiagnosticSeverity.Error), $"Failed: {diagnostics.FirstOrDefault()?.GetMessage()}");