FirstOrDefault

RuntimeSource\Configuration.Binder\ConfigurationBindingGenerator.Parser.cs (3)

674AttributeData? attributeData = property.GetAttributes().FirstOrDefault(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, _typeSymbols.ConfigurationKeyNameAttribute)); 807return type.AllInterfaces.FirstOrDefault(candidate => 813return type.AllInterfaces.FirstOrDefault(candidate => SymbolEqualityComparer.Default.Equals(candidate, @interface));

RequiresAnalyzerBase.cs (1)

264 var url = requiresAttribute?.NamedArguments.FirstOrDefault (na => na.Key == "Url").Value.Value?.ToString ();

ApiLifecycle\ModelLoader.cs (1)

26var assemblyBaselineFile = files.FirstOrDefault(file =>

RouteEmbeddedLanguage\Infrastructure\RouteStringSyntaxDetector.cs (2)

413var parameter = parameters.FirstOrDefault(p => p.Name == name); 493var parameter = parameters.FirstOrDefault(p => p.Name == name);

RouteEmbeddedLanguage\Infrastructure\RouteUsageDetector.cs (2)

278var delegateParameter = method.Parameters.FirstOrDefault(p => delegateSymbol.IsAssignableFrom(p.Type)); 291var routeStringParameter = method.Parameters.FirstOrDefault(p => SymbolEqualityComparer.Default.Equals(stringSymbol, p.Type) &&

RouteEmbeddedLanguage\RoutePatternAnalyzer.cs (1)

134var parameterSymbol = resolvedParameterSymbols.FirstOrDefault(s => string.Equals(s.RouteParameterName, routeParameter.Name, StringComparison.OrdinalIgnoreCase));

RouteHandlers\DisallowNonParsableComplexTypesOnParameters.cs (1)

92var resolvedParameter = routeUsage.UsageContext.ResolvedParameters.FirstOrDefault(rp => rp.Symbol.Name == handlerDelegateParameter.Name);

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

127var constructedTypeSymbol = typeSymbol.AllInterfaces.FirstOrDefault(

ComponentFacts.cs (1)

58var attribute = property.GetAttributes().FirstOrDefault(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, symbols.ParameterAttribute));

ComponentFacts.cs (1)

58var attribute = property.GetAttributes().FirstOrDefault(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, symbols.ParameterAttribute));

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

127var constructedTypeSymbol = typeSymbol.AllInterfaces.FirstOrDefault(

SymbolApiResponseMetadataProvider.cs (1)

111.FirstOrDefault(m => m.Kind == SymbolKind.Method && m.IsStatic && m.DeclaredAccessibility == Accessibility.Public);

EditorConfigParser_Tests.cs (2)

135var csSection = result.NamedSections.FirstOrDefault(s => s.Name == "*.cs"); 141var mdSection = result.NamedSections.FirstOrDefault(s => s.Name == "*.md");

DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs (5)

203singleResult = candidateMembers.FirstOrDefault(s => s.Kind == SymbolKind.Namespace); 217singleResult = candidateMembers.FirstOrDefault(s => s.Kind == SymbolKind.Event); 221singleResult = candidateMembers.FirstOrDefault(s => 823return (INamedTypeSymbol)candidateMembers.FirstOrDefault(s => 831.FirstOrDefault(s =>

InternalUtilities\OneOrMany.cs (1)

149return _many.FirstOrDefault(predicate);

src\Compilers\Core\AnalyzerDriver\DeclarationComputer.cs (1)

57var assemblyScopedNamespaceSymbol = namespaceSymbol.ConstituentNamespaces.FirstOrDefault(ns => ns.ContainingAssembly == assemblyToScope);

src\Analyzers\Core\Analyzers\ForEachCast\AbstractForEachCastDiagnosticAnalyzer.cs (1)

101var ienumerableOfT = collectionType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.SpecialType == SpecialType.System_Collections_Generic_IEnumerable_T);

src\Analyzers\Core\Analyzers\RemoveUnusedMembers\AbstractRemoveUnusedMembersDiagnosticAnalyzer.cs (1)

540var fadingLocation = member.DeclaringSyntaxReferences.FirstOrDefault(

src\Compilers\Core\Portable\DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs (5)

203singleResult = candidateMembers.FirstOrDefault(s => s.Kind == SymbolKind.Namespace); 217singleResult = candidateMembers.FirstOrDefault(s => s.Kind == SymbolKind.Event); 221singleResult = candidateMembers.FirstOrDefault(s => 823return (INamedTypeSymbol)candidateMembers.FirstOrDefault(s => 831.FirstOrDefault(s =>

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

149return _many.FirstOrDefault(predicate);

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Utilities\AbstractSpeculationAnalyzer.cs (2)

1124var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1127var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\Analyzers\Core\CodeFixes\GenerateDefaultConstructors\AbstractGenerateDefaultConstructorsService.State.cs (1)

97var baseNoArgConstructor = baseType.Constructors.FirstOrDefault(c => c.Parameters.Length == 0);

src\Analyzers\Core\CodeFixes\ImplementAbstractClass\ImplementAbstractClassData.cs (1)

322constraints.FirstOrDefault(t => t.IsReferenceType);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\LanguageServices\SemanticsFactsService\AbstractSemanticFactsService.cs (2)

133.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnType: var returnType, Parameters.Length: 0 } && 149.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnsVoid: true, Parameters.Length: 0 }) is IMethodSymbol disposeMethodFromPattern)

FlowAnalysis\LocalDataFlowPass.cs (1)

174var restField = containingType.GetMembers(NamedTypeSymbol.ValueTupleRestFieldName).FirstOrDefault(s => s is not TupleVirtualElementFieldSymbol) as FieldSymbol;

src\Analyzers\CSharp\Analyzers\UseCollectionExpression\CSharpUseCollectionExpressionForArrayDiagnosticAnalyzer.cs (1)

103: convertedType.AllInterfaces.FirstOrDefault(

src\Analyzers\CSharp\Analyzers\UseCollectionExpression\UseCollectionExpressionHelpers.cs (1)

371var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c));

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

52primaryConstructor = typeSymbol.InstanceConstructors.FirstOrDefault(

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Simplification\Simplifiers\CastSimplifier.cs (1)

1442var argument = invocationOperation.Arguments.FirstOrDefault(a => Equals(originalParameter, a.Parameter));

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Utilities\TypeStyle\CSharpUseImplicitTypeHelper.cs (1)

250var argumentOp = invocationOp.Arguments.FirstOrDefault(a => a.Syntax == argument);

src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordHelpers.cs (2)

71return containingType.Interfaces.FirstOrDefault(iface => iface.Equals(equatable)); 314var positionalParam = param.ContainingSymbol.ContainingType.GetMembers().FirstOrDefault(member

src\Analyzers\CSharp\CodeFixes\UsePrimaryConstructor\CSharpUsePrimaryConstructorCodeFixProvider_DocComments.cs (1)

175var orderedKVPs = properties.OrderBy(kvp => constructor.Parameters.FirstOrDefault(p => p.Name == kvp.Value)?.Ordinal);

QuickInfo\DiagnosticAnalyzerQuickInfoSourceTests.cs (1)

182var description = info?.Sections.FirstOrDefault(s => s.Kind == QuickInfoSectionKinds.Description);

src\Analyzers\CSharp\Analyzers\UseCollectionExpression\CSharpUseCollectionExpressionForArrayDiagnosticAnalyzer.cs (1)

103: convertedType.AllInterfaces.FirstOrDefault(

src\Analyzers\CSharp\Analyzers\UseCollectionExpression\UseCollectionExpressionHelpers.cs (1)

371var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c));

src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordHelpers.cs (2)

71return containingType.Interfaces.FirstOrDefault(iface => iface.Equals(equatable)); 314var positionalParam = param.ContainingSymbol.ContainingType.GetMembers().FirstOrDefault(member

src\Analyzers\CSharp\CodeFixes\UsePrimaryConstructor\CSharpUsePrimaryConstructorCodeFixProvider_DocComments.cs (1)

175var orderedKVPs = properties.OrderBy(kvp => constructor.Parameters.FirstOrDefault(p => p.Name == kvp.Value)?.Ordinal);

Rename\CSharpRenameRewriterLanguageService.cs (1)

146_renamableDeclarationLocation = _renamedSymbol.Locations.FirstOrDefault(loc => loc.IsInSource && loc.SourceTree == _semanticModel.SyntaxTree);

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

52primaryConstructor = typeSymbol.InstanceConstructors.FirstOrDefault(

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Simplification\Simplifiers\CastSimplifier.cs (1)

1442var argument = invocationOperation.Arguments.FirstOrDefault(a => Equals(originalParameter, a.Parameter));

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Utilities\TypeStyle\CSharpUseImplicitTypeHelper.cs (1)

250var argumentOp = invocationOp.Arguments.FirstOrDefault(a => a.Syntax == argument);

InlineRename\InlineRenameSession.OpenTextBufferManager.cs (1)

359var firstDocumentReplacements = documentReplacements.FirstOrDefault(d => !d.Item2.IsEmpty);

QuickInfo\AbstractSemanticQuickInfoSourceTests.cs (1)

55var textBlock = sections.FirstOrDefault(tb => tb.Kind == textBlockKind);

ChangeSignature\AbstractChangeSignatureService.cs (1)

615var match = originalParameters.FirstOrDefault(p => p.Name == name);

Completion\CompletionService.ProviderManager.cs (1)

163return GetCachedProjectCompletionProvidersOrQueueLoadInBackground(project, CompletionOptions.Default).FirstOrDefault(isNameMatchingProviderPredicate);

ConvertCast\AbstractConvertCastCodeRefactoringProvider.cs (1)

38var from = fromNodes.FirstOrDefault(n => n.RawKind == FromKind);

ConvertToInterpolatedString\AbstractConvertPlaceholderToInterpolatedStringRefactoringProvider.cs (2)

274var param1 = invocationSymbol.Parameters.FirstOrDefault(p => syntaxFacts.StringComparer.Equals(p.Name, arg1Name)); 275var param2 = invocationSymbol.Parameters.FirstOrDefault(p => syntaxFacts.StringComparer.Equals(p.Name, arg2Name));

DesignerAttribute\DesignerAttributeDiscoveryService.cs (1)

320var attribute = type.GetAttributes().FirstOrDefault(d => IsDesignerAttribute(d.AttributeClass));

EmbeddedLanguages\EmbeddedLanguageDetector.cs (2)

176var iformattable = type.AllInterfaces.FirstOrDefault(t => t is 190.FirstOrDefault(

Emit\CompilationOutputFilesWithImplicitPdbPath.cs (2)

57var embeddedPdbEntry = debugDirectory.FirstOrDefault(e => e.Type == DebugDirectoryEntryType.EmbeddedPortablePdb); 63var codeViewEntry = debugDirectory.FirstOrDefault(e => e.Type == DebugDirectoryEntryType.CodeView);

Emit\CompilationOutputs.cs (1)

110var embeddedPdbEntry = peReader.ReadDebugDirectory().FirstOrDefault(e => e.Type == DebugDirectoryEntryType.EmbeddedPortablePdb);

ExtractMethod\MethodExtractor.Analyzer.cs (1)

157var thisParameterBeingRead = (IParameterSymbol?)dataFlowAnalysisData.ReadInside.FirstOrDefault(IsThisParameter);

GenerateConstructorFromMembers\AbstractGenerateConstructorFromMembersCodeRefactoringProvider.State.cs (1)

115=> containingType.InstanceConstructors.FirstOrDefault(c => MatchesConstructorBasedOnParameterTypes(c, parameters));

GenerateType\AbstractGenerateTypeService.GenerateNamedType.cs (1)

155var delegatedConstructor = _state.BaseTypeOrInterfaceOpt.InstanceConstructors.FirstOrDefault(

NameTupleElement\AbstractNameTupleElementCodeRefactoringProvider.cs (1)

50var argument = potentialArguments.FirstOrDefault(n => n?.Parent is TTupleExpressionSyntax);

NavigationBar\AbstractNavigationBarItemService.cs (2)

67var navigationLocationSpan = symbol.Locations.FirstOrDefault(loc => loc.SourceTree == tree)?.SourceSpan ?? 79var navigationLocation = symbol.Locations.FirstOrDefault(loc => loc.SourceTree != null && loc.SourceTree != tree) ??

ReplaceDocCommentTextWithTag\AbstractReplaceDocCommentTextWithTagCodeRefactoringProvider.cs (1)

95var childMember = namedType.GetMembers().FirstOrDefault(m => syntaxFacts.StringComparer.Equals(m.Name, singleWordText));

src\Analyzers\Core\Analyzers\ForEachCast\AbstractForEachCastDiagnosticAnalyzer.cs (1)

101var ienumerableOfT = collectionType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.SpecialType == SpecialType.System_Collections_Generic_IEnumerable_T);

src\Analyzers\Core\Analyzers\RemoveUnusedMembers\AbstractRemoveUnusedMembersDiagnosticAnalyzer.cs (1)

540var fadingLocation = member.DeclaringSyntaxReferences.FirstOrDefault(

src\Analyzers\Core\CodeFixes\GenerateDefaultConstructors\AbstractGenerateDefaultConstructorsService.State.cs (1)

97var baseNoArgConstructor = baseType.Constructors.FirstOrDefault(c => c.Parameters.Length == 0);

src\Analyzers\Core\CodeFixes\ImplementAbstractClass\ImplementAbstractClassData.cs (1)

322constraints.FirstOrDefault(t => t.IsReferenceType);

src\Compilers\Core\AnalyzerDriver\DeclarationComputer.cs (1)

57var assemblyScopedNamespaceSymbol = namespaceSymbol.ConstituentNamespaces.FirstOrDefault(ns => ns.ContainingAssembly == assemblyToScope);

src\Compilers\Core\Portable\DiagnosticAnalyzer\SuppressMessageAttributeState.TargetSymbolResolver.cs (5)

203singleResult = candidateMembers.FirstOrDefault(s => s.Kind == SymbolKind.Namespace); 217singleResult = candidateMembers.FirstOrDefault(s => s.Kind == SymbolKind.Event); 221singleResult = candidateMembers.FirstOrDefault(s => 823return (INamedTypeSymbol)candidateMembers.FirstOrDefault(s => 831.FirstOrDefault(s =>

Extensions\Extensions.cs (1)

132var matchingItem = items.FirstOrDefault(d => projectIdGetter(d) == projectId);

Compilation\IRuntimeEnvironment.cs (1)

57DebugDirectoryEntry portablePdbEntry = peReader.ReadDebugDirectory().FirstOrDefault(e => e.Type == DebugDirectoryEntryType.EmbeddedPortablePdb);

Editing\SyntaxGenerator.cs (1)

528var invoke = symbol.Type.GetMembers("Invoke").FirstOrDefault(m => m.Kind == SymbolKind.Method) as IMethodSymbol;

FindSymbols\SymbolFinder.cs (1)

294linkedSymbol = linkedNamedType.Constructors.FirstOrDefault(

Recommendations\AbstractRecommendationServiceRunner.cs (2)

242parameterType = method.Parameters.FirstOrDefault(p => _stringComparerForLanguage.Equals(p.Name, argumentName))?.Type; 321.FirstOrDefault(s => s is INamedTypeSymbol namedType && namedType.SpecialType == specialType);

Rename\IRenameRewriterLanguageService.cs (1)

143var conflictingParameter = prop.Parameters.FirstOrDefault(

Shared\Extensions\ITypeSymbolExtensions.cs (1)

97constructedInterface.GetMembers(interfaceMember.Name).FirstOrDefault(

Shared\Extensions\ProjectExtensions.cs (1)

32=> project.Solution.GetDocumentIdsWithFilePath(filePath).FirstOrDefault(id => id.ProjectId == project.Id);

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

149return _many.FirstOrDefault(predicate);

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Utilities\AbstractSpeculationAnalyzer.cs (2)

1124var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1127var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\LanguageServices\AddImports\AbstractAddImportsService.cs (5)

174var fallbackNode = contextSpine.FirstOrDefault(HasAnyImports); 188externContainer = contextSpine.FirstOrDefault(HasExterns) ?? fallbackNode; 189usingContainer = contextSpine.FirstOrDefault(HasUsings) ?? fallbackNode; 190staticUsingContainer = contextSpine.FirstOrDefault(HasStaticUsings) ?? fallbackNode; 191aliasContainer = contextSpine.FirstOrDefault(HasAliases) ?? fallbackNode;

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\LanguageServices\SemanticsFactsService\AbstractSemanticFactsService.cs (2)

133.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnType: var returnType, Parameters.Length: 0 } && 149.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnsVoid: true, Parameters.Length: 0 }) is IMethodSymbol disposeMethodFromPattern)

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

149return _many.FirstOrDefault(predicate);

Analyzers\BaseAnalyzer.cs (1)

23var configFile = context.Options.AdditionalFiles.FirstOrDefault(file => file.Path.Contains(ConfigFileName));

Analyzers\PinvokeAnalyzer.cs (2)

30_allowedPinvokeFile = obj.Options.AdditionalFiles.FirstOrDefault(f => Path.GetFileName(f.Path).IndexOf("PinvokeAnalyzer_", StringComparison.OrdinalIgnoreCase) >= 0); 31_exceptionFile = obj.Options.AdditionalFiles.FirstOrDefault(f => Path.GetFileName(f.Path).IndexOf("PinvokeAnalyzerExceptionList.analyzerdata", StringComparison.OrdinalIgnoreCase) >= 0);

Analyzers\ConvertComImportToGeneratedComInterfaceAnalyzer.cs (1)

51AttributeData? interfaceTypeAttributeData = type.GetAttributes().FirstOrDefault(a => a.AttributeClass.Equals(interfaceTypeAttribute, SymbolEqualityComparer.Default));

ComClassInfo.cs (1)

45AttributeData? generatedComInterfaceAttribute = iface.GetAttributes().FirstOrDefault(attr => attr.AttributeClass?.ToDisplayString() == TypeNames.GeneratedComInterfaceAttribute);

ComInterfaceGenerator.cs (1)

340TypePositionInfo? managedReturnInfo = signatureContext.ElementTypeInformation.FirstOrDefault(e => e.IsManagedReturnPosition);

VtableIndexStubGenerator.cs (1)

300var unmanagedObjectUnwrapper = symbol.ContainingType.GetAttributes().FirstOrDefault(att => att.AttributeClass.IsOfType(TypeNames.UnmanagedObjectUnwrapperAttribute));

JSExportCodeGenerator.cs (1)

56IBoundMarshallingGenerator spanArg = _marshallers.SignatureMarshallers.FirstOrDefault(m => m.TypeInfo.MarshallingAttributeInfo is JSMarshallingInfo(_, JSSpanTypeInfo));

JSImportCodeGenerator.cs (1)

63IBoundMarshallingGenerator spanArg = _marshallers.SignatureMarshallers.FirstOrDefault(m => m.TypeInfo.MarshallingAttributeInfo is JSMarshallingInfo(_, JSSpanTypeInfo));

Analyzers\ConvertToLibraryImportAnalyzer.cs (2)

186AttributeData? bestFitMappingContainingType = method.ContainingType.GetAttributes().FirstOrDefault(attr => attr.AttributeClass.ToDisplayString() == TypeNames.System_Runtime_InteropServices_BestFitMappingAttribute); 192AttributeData? bestFitMappingContainingAssembly = method.ContainingAssembly.GetAttributes().FirstOrDefault(attr => attr.AttributeClass.ToDisplayString() == TypeNames.System_Runtime_InteropServices_BestFitMappingAttribute);

Analyzers\ShapeBreakingDiagnosticSuppressor.cs (1)

60AttributeData? attrData = containingType.GetAttributes().FirstOrDefault(

BestFriendOnPublicDeclarationsAnalyzer.cs (1)

62var attribute = context.Symbol.GetAttributes().FirstOrDefault(a => Equals(a.AttributeClass, attributeType));

ContractsCheckNameofFixProvider.cs (3)

36var diagnostic = context.Diagnostics.FirstOrDefault(d => d.Id == Id); 143AttributeData attr = s.GetAttributes().FirstOrDefault(a => a.AttributeClass.Name == "ArgumentAttribute"); 152var shortPair = attr.NamedArguments.FirstOrDefault(p => p.Key == "ShortName");

CodeCleanup\AbstractCodeCleanUpFixer.cs (1)

128var documentId = documentIds.FirstOrDefault(id => id.ProjectId == projectId);

MoveStaticMembers\MoveStaticMembersDialogViewModel.cs (1)

57var foundItem = AvailableTypes.FirstOrDefault(t => t.TypeName == SearchText);

Progression\GraphBuilder.cs (2)

200var preferredLocation = symbol.Locations.FirstOrDefault(l => l.SourceTree != null); 207preferredLocation = symbol.Locations.FirstOrDefault(l => l.SourceTree == syntaxTree) ?? preferredLocation;

Venus\ContainedLanguageCodeSupport.cs (1)

491var typeLocation = type.Locations.FirstOrDefault(d => d.SourceTree == containingTree);

System\Reflection\PortableExecutable\PEReader.cs (2)

741var codeViewEntry = ImmutableArrayExtensions.FirstOrDefault(entries, e => e.IsPortableCodeView); 749var embeddedPdbEntry = ImmutableArrayExtensions.FirstOrDefault(entries, e => e.Type == DebugDirectoryEntryType.EmbeddedPortablePdb);