FirstOrDefault

Mcp\AspireResourceMcpTools.cs (1)

155var command = resource.Commands.FirstOrDefault(c => string.Equals(c.Name, commandName, StringComparisons.CommandName));

AzureBicepProvisionerTests.cs (1)

73var parentProperty = resourceEvent.Snapshot.Properties.FirstOrDefault(x => x.Name == KnownProperties.Resource.ParentName)?.Value?.ToString();

MySqlFunctionalTests.cs (2)

605return evt.Snapshot.Properties.FirstOrDefault(x => x.Name == "container.id")?.Value != null; 608return resourceEvent.Snapshot.Properties.FirstOrDefault(x => x.Name == "container.id")?.Value?.ToString();

PostgresFunctionalTests.cs (2)

582return evt.Snapshot.Properties.FirstOrDefault(x => x.Name == "container.id")?.Value != null; 585return resourceEvent.Snapshot.Properties.FirstOrDefault(x => x.Name == "container.id")?.Value?.ToString();

Orchestrator\ParameterProcessorTests.cs (4)

262Assert.Equal("value1", updates.Current.Snapshot.Properties.FirstOrDefault(p => p.Name == KnownProperties.Parameter.Value)?.Value); 266Assert.Equal("value2", updates.Current.Snapshot.Properties.FirstOrDefault(p => p.Name == KnownProperties.Parameter.Value)?.Value); 270Assert.Equal("secretValue", updates.Current.Snapshot.Properties.FirstOrDefault(p => p.Name == KnownProperties.Parameter.Value)?.Value); 271Assert.True(updates.Current.Snapshot.Properties.FirstOrDefault(p => p.Name == KnownProperties.Parameter.Value)?.IsSensitive ?? false);

WithHttpCommandTests.cs (1)

539e.Snapshot.Commands.FirstOrDefault(c => c.Name == commandName)?.State == ResourceCommandState.Enabled).DefaultTimeout();

WithUrlsTests.cs (1)

988var crossResourceUrl = resourceEvent.Snapshot.Urls.FirstOrDefault(u => u.DisplayProperties.DisplayName == "API Docs");

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));

src\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\AdditionalFileProvider.cs (1)

43=> _additionalFiles.FirstOrDefault(x => Path.GetFileName(x.Path).Equals(fileName, StringComparison.OrdinalIgnoreCase));

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\CollectionExpressionUtilities.cs (4)

74namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableOfTType)) ?? 75namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableType)); 124var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c)); 149var attribute = collectionExpressionType.GetAttributes().FirstOrDefault(

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

153var firstNonNull = locations.FirstOrDefault(l => l != null);

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

1111var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1114var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

572.FirstOrDefault(attr => attr.AttributeClass is { Name: "AttributeUsageAttribute", ContainingNamespace: { Name: "System", ContainingNamespace.IsGlobalNamespace: true } });

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

170var fallbackNode = contextSpine.FirstOrDefault(HasAnyImports); 184externContainer = contextSpine.FirstOrDefault(HasExterns) ?? fallbackNode; 185usingContainer = contextSpine.FirstOrDefault(HasUsings) ?? fallbackNode; 186staticUsingContainer = contextSpine.FirstOrDefault(HasStaticUsings) ?? fallbackNode; 187aliasContainer = contextSpine.FirstOrDefault(HasAliases) ?? fallbackNode;

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

136.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnType: var returnType, Parameters.Length: 0 } && 152.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnsVoid: true, Parameters.Length: 0 }) is IMethodSymbol disposeMethodFromPattern)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SymbolFinder\SymbolFinderInternal.cs (1)

85return InSource(result.Symbol) ? result.Symbol : result.CandidateSymbols.FirstOrDefault(InSource);

RequiresAnalyzerBase.cs (4)

52var publicParameterlessConstructor = namedTypeSymbol?.InstanceConstructors.FirstOrDefault(c => c.Parameters.IsEmpty && c.DeclaredAccessibility == Accessibility.Public); 198var baseCtor = typeSymbol.BaseType.InstanceConstructors.FirstOrDefault(ctor => ctor.Parameters.IsEmpty); 317var url = requiresAttribute?.NamedArguments.FirstOrDefault(na => na.Key == "Url").Value.Value?.ToString(); 432var assemblyMetadata = refAssembly.GetAttributes().FirstOrDefault(attr =>

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\aspnetcore\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));

SymbolApiResponseMetadataProvider.cs (1)

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

XmlComments\XmlComment.InheritDoc.cs (1)

236var targetTypeParameter = symbol.GetAllTypeParameters().FirstOrDefault(p => p.Name == typeParamName.Value);

src\msbuild\artifacts\.packages\microsoft.codeanalysis.collections\5.0.0-1.25277.114\contentFiles\cs\net9.0\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

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\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

FixAnalyzers\FixerWithFixAllAnalyzer.cs (1)

257IParameterSymbol? param = invocation.TargetMethod.Parameters.FirstOrDefault(p => p.Name == EquivalenceKeyParameterName);

MetaAnalyzers\CompilerExtensionTargetFrameworkAnalyzer.cs (1)

79displayName = appliedTargetFrameworkAttribute.NamedArguments.FirstOrDefault(arg => arg.Key == nameof(TargetFrameworkAttribute.FrameworkDisplayName)).Value.Value as string

MetaAnalyzers\DiagnosticDescriptorCreationAnalyzer.cs (4)

625IArgumentOperation? titleArgument = creationArguments.FirstOrDefault(a => a.Parameter?.Name.Equals("title", StringComparison.OrdinalIgnoreCase) == true); 727var messageArgument = creationArguments.FirstOrDefault(a => a.Parameter?.Name.Equals("messageFormat", StringComparison.OrdinalIgnoreCase) == true); 774IArgumentOperation? descriptionArgument = creationArguments.FirstOrDefault(a => a.Parameter?.Name.Equals("description", StringComparison.OrdinalIgnoreCase) == true); 1066var argument = creationArguments.FirstOrDefault(

MetaAnalyzers\Fixers\DefineDiagnosticDescriptorArgumentsCorrectlyFix.cs (1)

149additionalDocuments.FirstOrDefault(a => string.Equals(a.FilePath, path, StringComparison.Ordinal)) is { } additionalDocument)

MetaAnalyzers\RegisterActionAnalyzer.cs (1)

392ITypeParameterSymbol? typeParam = method.TypeParameters.FirstOrDefault(t => t.Name == DiagnosticWellKnownNames.TLanguageKindEnumName);

src\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\AdditionalFileProvider.cs (1)

43=> _additionalFiles.FirstOrDefault(x => Path.GetFileName(x.Path).Equals(fileName, StringComparison.OrdinalIgnoreCase));

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\CollectionExpressionUtilities.cs (4)

74namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableOfTType)) ?? 75namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableType)); 124var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c)); 149var attribute = collectionExpressionType.GetAttributes().FirstOrDefault(

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

153var firstNonNull = locations.FirstOrDefault(l => l != null);

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

1111var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1114var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

572.FirstOrDefault(attr => attr.AttributeClass is { Name: "AttributeUsageAttribute", ContainingNamespace: { Name: "System", ContainingNamespace.IsGlobalNamespace: true } });

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

170var fallbackNode = contextSpine.FirstOrDefault(HasAnyImports); 184externContainer = contextSpine.FirstOrDefault(HasExterns) ?? fallbackNode; 185usingContainer = contextSpine.FirstOrDefault(HasUsings) ?? fallbackNode; 186staticUsingContainer = contextSpine.FirstOrDefault(HasStaticUsings) ?? fallbackNode; 187aliasContainer = contextSpine.FirstOrDefault(HasAliases) ?? fallbackNode;

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

136.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnType: var returnType, Parameters.Length: 0 } && 152.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnsVoid: true, Parameters.Length: 0 }) is IMethodSymbol disposeMethodFromPattern)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SymbolFinder\SymbolFinderInternal.cs (1)

85return InSource(result.Symbol) ? result.Symbol : result.CandidateSymbols.FirstOrDefault(InSource);

src\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\AdditionalFileProvider.cs (1)

43=> _additionalFiles.FirstOrDefault(x => Path.GetFileName(x.Path).Equals(fileName, StringComparison.OrdinalIgnoreCase));

src\roslyn\src\RoslynAnalyzers\Utilities\FlowAnalysis\FlowAnalysis\Analysis\TaintedDataAnalysis\TaintedDataAnalysis.TaintedDataOperationVisitor.cs (4)

320IArgumentOperation? argumentOperation = visitedArguments.FirstOrDefault(o => o.Parameter?.Name == taintedTarget); 354: visitedArguments.FirstOrDefault(o => o.Parameter?.Name == thenTaintedTarget); 359: visitedArguments.FirstOrDefault(o => o.Parameter?.Name == ifTaintedParameter); 399IArgumentOperation? thenSanitizedTargetOperation = visitedArguments.FirstOrDefault(o => o.Parameter?.Name == thenSanitizedTarget);

src\roslyn\src\RoslynAnalyzers\Utilities\FlowAnalysis\FlowAnalysis\Framework\DataFlow\DataFlowAnalysis.cs (1)

497var catchRegion = tryAndCatchRegion.NestedRegions.FirstOrDefault(region => region.Kind is ControlFlowRegionKind.Catch or ControlFlowRegionKind.FilterAndHandler);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\CollectionExpressionUtilities.cs (4)

74namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableOfTType)) ?? 75namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableType)); 124var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c)); 149var attribute = collectionExpressionType.GetAttributes().FirstOrDefault(

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

153var firstNonNull = locations.FirstOrDefault(l => l != null);

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

1111var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1114var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

572.FirstOrDefault(attr => attr.AttributeClass is { Name: "AttributeUsageAttribute", ContainingNamespace: { Name: "System", ContainingNamespace.IsGlobalNamespace: true } });

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

100var ienumerableOfT = collectionType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.SpecialType == SpecialType.System_Collections_Generic_IEnumerable_T);

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

700var fadingLocation = member.DeclaringSyntaxReferences.FirstOrDefault(

src\roslyn\src\Analyzers\Core\Analyzers\SimplifyInterpolation\AbstractSimplifyInterpolationHelpers.cs (1)

57var member = type?.GetMembers(name).FirstOrDefault(m => m is IMethodSymbol { IsStatic: false, Parameters.Length: 0 });

src\roslyn\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\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\CollectionExpressionUtilities.cs (4)

74namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableOfTType)) ?? 75namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableType)); 124var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c)); 149var attribute = collectionExpressionType.GetAttributes().FirstOrDefault(

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

153var firstNonNull = locations.FirstOrDefault(l => l != null);

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

1111var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1114var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

572.FirstOrDefault(attr => attr.AttributeClass is { Name: "AttributeUsageAttribute", ContainingNamespace: { Name: "System", ContainingNamespace.IsGlobalNamespace: true } });

src\roslyn\src\Analyzers\Core\CodeFixes\GenerateConstructor\GenerateConstructorHelpers.cs (1)

280return membersArray.FirstOrDefault(m => m.Name.Equals(memberName, StringComparison.Ordinal)) ?? membersArray.FirstOrDefault();

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

44var unimplementedDefaultConstructor = state.UnimplementedConstructors.FirstOrDefault(

src\roslyn\src\Analyzers\Core\CodeFixes\GenerateDefaultConstructors\AbstractGenerateDefaultConstructorsService.State.cs (2)

96var baseNoArgConstructor = baseType.Constructors.FirstOrDefault(c => c.Parameters.Length == 0); 122var matchingConstructor = classConstructors.FirstOrDefault(

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

320constraints.FirstOrDefault(t => t.IsReferenceType);

src\roslyn\src\Analyzers\Core\CodeFixes\ImplementInterface\ImplementHelpers.cs (1)

46.FirstOrDefault(c => c.Parameters.Length > 0 && c.Parameters[0].IsPrimaryConstructor(cancellationToken));

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

170var fallbackNode = contextSpine.FirstOrDefault(HasAnyImports); 184externContainer = contextSpine.FirstOrDefault(HasExterns) ?? fallbackNode; 185usingContainer = contextSpine.FirstOrDefault(HasUsings) ?? fallbackNode; 186staticUsingContainer = contextSpine.FirstOrDefault(HasStaticUsings) ?? fallbackNode; 187aliasContainer = contextSpine.FirstOrDefault(HasAliases) ?? fallbackNode;

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

136.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnType: var returnType, Parameters.Length: 0 } && 152.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnsVoid: true, Parameters.Length: 0 }) is IMethodSymbol disposeMethodFromPattern)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SymbolFinder\SymbolFinderInternal.cs (1)

85return InSource(result.Symbol) ? result.Symbol : result.CandidateSymbols.FirstOrDefault(InSource);

Emitter\Model\PEAssemblyBuilder.cs (1)

721var subnamespace = (NamespaceSymbol)result.GetMembers(partName).FirstOrDefault(m => m.Kind == SymbolKind.Namespace);

FlowAnalysis\LocalDataFlowPass.cs (1)

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

Lowering\Instrumentation\LocalStateTracingInstrumenter.cs (1)

525var targetSymbol = original.Locals.FirstOrDefault(l => l.SynthesizedKind == SynthesizedLocalKind.UserDefined);

Symbols\Source\SourceNamedTypeSymbol.cs (1)

1837var parameterlessConstructor = InstanceConstructors.FirstOrDefault(c => c.ParameterCount == 0);

MetaAnalyzers\CSharpSemanticModelGetDeclaredSymbolAlwaysReturnsNullAnalyzer.cs (1)

58|| (getDeclaredSymbolMethod = (IMethodSymbol?)modelExtensions.GetMembers(nameof(ModelExtensions.GetDeclaredSymbol)).FirstOrDefault(m => m is IMethodSymbol { Parameters.Length: >= 2 })) is null)

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

103: convertedType.AllInterfaces.FirstOrDefault(

src\roslyn\src\Analyzers\CSharp\Analyzers\UseCollectionExpression\UseCollectionExpressionHelpers.cs (2)

319var collectionBuilderAttribute = typeToCheck.GetAttributes().FirstOrDefault(attr => 907.FirstOrDefault(a => a.AttributeClass.IsCollectionBuilderAttribute());

src\roslyn\src\Analyzers\CSharp\Analyzers\UseCollectionInitializer\CSharpUseCollectionInitializerAnalyzer.cs (1)

281.FirstOrDefault(i => Equals(i.OriginalDefinition, ienumerableOfTType));

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

66var parameter = parameters.FirstOrDefault(p => p.Name == name);

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

51var parameter = parameters.FirstOrDefault(p => p.Name == name);

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

52primaryConstructor = typeSymbol.InstanceConstructors.FirstOrDefault(

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

1633var argument = invocationOperation.Arguments.FirstOrDefault(a => Equals(originalParameter, a.Parameter));

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

223var argumentOp = invocationOp.Arguments.FirstOrDefault(a => a.Syntax == argument);

src\roslyn\src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordEngine.cs (1)

648.FirstOrDefault(t => t != null)?.GetStructure() is DocumentationCommentTriviaSyntax propDoc &&

src\roslyn\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\roslyn\src\Analyzers\CSharp\CodeFixes\MakeLocalFunctionStatic\MakeLocalFunctionStaticCodeFixHelper.cs (1)

85var thisParameter = (IParameterSymbol?)captures.FirstOrDefault(c => c.IsThisParameter());

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

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

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

56var constructor = constructedListType.InstanceConstructors.FirstOrDefault(

Completion\CompletionProviders\AwaitCompletionProvider.cs (1)

119var document = solution.GetDocument(containingType.DeclaringSyntaxReferences.FirstOrDefault(r => r.SyntaxTree == methodDeclaration.SyntaxTree)?.SyntaxTree);

Completion\CompletionProviders\CSharpSuggestionModeCompletionProvider.cs (1)

199.FirstOrDefault(i => i.OriginalDefinition.SpecialType == SpecialType.System_Collections_Generic_IEnumerable_T);

Completion\CompletionProviders\DeclarationName\DeclarationNameRecommender.cs (1)

163collectionType ??= namedType.AllInterfaces.FirstOrDefault(

Completion\KeywordRecommenders\RefKeywordRecommender.cs (1)

113return methodSymbol.Parameters.FirstOrDefault(p => p.Name == nameColon.Name.Identifier.ValueText);

EditAndContinue\CSharpEditAndContinueAnalyzer.cs (4)

1116var oldSynthesizedAutoProperty = (IPropertySymbol?)oldSymbol?.ContainingType.GetMembers(oldSymbol.Name).FirstOrDefault(m => m.IsSynthesizedAutoProperty()); 1117var newSynthesizedAutoProperty = (IPropertySymbol?)newSymbol?.ContainingType.GetMembers(newSymbol.Name).FirstOrDefault(m => m.IsSynthesizedAutoProperty()); 1287var oldCopyConstructor = oldType.InstanceConstructors.FirstOrDefault(c => c.IsCopyConstructor()); 1288var newCopyConstructor = newType.InstanceConstructors.FirstOrDefault(c => c.IsCopyConstructor());

LanguageServices\CSharpSymbolDisplayService.SymbolDescriptionBuilder.cs (1)

351var syntax = method.DeclaringSyntaxReferences.FirstOrDefault(r => r.SyntaxTree == semanticModel.SyntaxTree)?.GetSyntax();

Snippets\CSharpForEachLoopSnippetProvider.cs (1)

71var enumerationSymbol = semanticModel.LookupSymbols(position).FirstOrDefault(symbol => symbol.GetSymbolType() is { } symbolType &&

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

103: convertedType.AllInterfaces.FirstOrDefault(

src\roslyn\src\Analyzers\CSharp\Analyzers\UseCollectionExpression\UseCollectionExpressionHelpers.cs (2)

319var collectionBuilderAttribute = typeToCheck.GetAttributes().FirstOrDefault(attr => 907.FirstOrDefault(a => a.AttributeClass.IsCollectionBuilderAttribute());

src\roslyn\src\Analyzers\CSharp\Analyzers\UseCollectionInitializer\CSharpUseCollectionInitializerAnalyzer.cs (1)

281.FirstOrDefault(i => Equals(i.OriginalDefinition, ienumerableOfTType));

src\roslyn\src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordEngine.cs (1)

648.FirstOrDefault(t => t != null)?.GetStructure() is DocumentationCommentTriviaSyntax propDoc &&

src\roslyn\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\roslyn\src\Analyzers\CSharp\CodeFixes\MakeLocalFunctionStatic\MakeLocalFunctionStaticCodeFixHelper.cs (1)

85var thisParameter = (IParameterSymbol?)captures.FirstOrDefault(c => c.IsThisParameter());

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

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

Microsoft.NetCore.Analyzers\Runtime\CSharpPreferStreamAsyncMemoryOverloads.Fixer.cs (1)

41IArgumentOperation? operation = args.FirstOrDefault(argOperation =>

Rename\CSharpRenameRewriterLanguageService.cs (1)

144_renamableDeclarationLocation = _renamedSymbol.Locations.FirstOrDefault(loc => loc.IsInSource && loc.SourceTree == _semanticModel.SyntaxTree);

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

66var parameter = parameters.FirstOrDefault(p => p.Name == name);

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

51var parameter = parameters.FirstOrDefault(p => p.Name == name);

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

52primaryConstructor = typeSymbol.InstanceConstructors.FirstOrDefault(

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

1633var argument = invocationOperation.Arguments.FirstOrDefault(a => Equals(originalParameter, a.Parameter));

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

223var argumentOp = invocationOp.Arguments.FirstOrDefault(a => a.Syntax == argument);

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

56var constructor = constructedListType.InstanceConstructors.FirstOrDefault(

src\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

Symbols\ISymbolExtensions.cs (1)

572.FirstOrDefault(attr => attr.AttributeClass is { Name: "AttributeUsageAttribute", ContainingNamespace: { Name: "System", ContainingNamespace.IsGlobalNamespace: true } });

Api\HotReloadMSBuildWorkspace.cs (1)

142var mappedDocumentId = oldSolution.GetDocumentIdsWithFilePath(docInfo.FilePath).FirstOrDefault(id => id.ProjectId == mappedProjectId)

ChangeSignature\AbstractChangeSignatureService.cs (1)

617var match = originalParameters.FirstOrDefault(p => p.Name == name);

Completion\CommonCompletionUtilities.cs (1)

155var symbol = symbols.FirstOrDefault(s => !s.IsObsolete()) ?? symbols[0];

Completion\CompletionService.ProviderManager.cs (1)

164return GetCachedProjectCompletionProvidersOrQueueLoadInBackground(project, CompletionOptions.Default).FirstOrDefault(isNameMatchingProviderPredicate);

Completion\Providers\SymbolCompletionItem.cs (1)

220var contextId = document.GetLinkedDocumentIds().FirstOrDefault(id => !supportedPlatforms.InvalidProjects.Contains(id.ProjectId));

ConvertCast\AbstractConvertCastCodeRefactoringProvider.cs (1)

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

ConvertForToForEach\AbstractConvertForToForEachCodeRefactoringProvider.cs (2)

269var instantiatedIEnumerableType = collectionType.GetAllInterfacesIncludingThis().FirstOrDefault( 298var instantiatedIEnumeratorType = getEnumeratorReturnType.GetAllInterfacesIncludingThis().FirstOrDefault(

ConvertToInterpolatedString\AbstractConvertPlaceholderToInterpolatedStringRefactoringProvider.cs (2)

374var param1 = invocationSymbol.Parameters.FirstOrDefault(p => syntaxFacts.StringComparer.Equals(p.Name, arg1Name)); 375var param2 = invocationSymbol.Parameters.FirstOrDefault(p => syntaxFacts.StringComparer.Equals(p.Name, arg2Name));

DesignerAttribute\DesignerAttributeDiscoveryService.cs (1)

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

EditAndContinue\AbstractEditAndContinueAnalyzer.cs (6)

3020var newMatchingSymbol = newContainingType.GetMembers(oldSymbol.Name).FirstOrDefault(m => m is IPropertySymbol or IFieldSymbol); 5126.FirstOrDefault(static m => m is IMethodSymbol { IsImplicitlyDeclared: true } method && HasIEquatableEqualsSignature(method)); 5133.FirstOrDefault(static m => m is IMethodSymbol { IsImplicitlyDeclared: true } method && HasGetHashCodeSignature(method)); 5801return type.InstanceConstructors.FirstOrDefault(m => m.Parameters.Length == 0); 6418=> GetSymbolDeclarationSyntax(symbol, syntaxRefs => syntaxRefs.FirstOrDefault(r => r.SyntaxTree == tree), cancellationToken); 7074.FirstOrDefault(static m => m is IPropertySymbol { IsImplicitlyDeclared: false, GetMethod.IsImplicitlyDeclared: true, SetMethod.IsImplicitlyDeclared: true });

EmbeddedLanguages\EmbeddedLanguageDetector.cs (2)

175var iformattable = type.AllInterfaces.FirstOrDefault(t => t is 189.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)

93var thisParameterBeingRead = (IParameterSymbol?)dataFlowAnalysisData.ReadInside.FirstOrDefault(IsThisParameter);

GenerateConstructors\AbstractGenerateConstructorsCodeRefactoringProvider.GenerateConstructorWithDialogCodeAction.cs (1)

61var addNullChecksOption = result.Options.FirstOrDefault(o => o.Id == AddNullChecksId);

GenerateConstructors\AbstractGenerateConstructorsCodeRefactoringProvider.State.cs (1)

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

GenerateEqualsAndGetHashCodeFromMembers\GenerateEqualsAndHashWithDialogCodeAction.cs (2)

65var implementIEqutableOption = result.Options.FirstOrDefault(o => o.Id == ImplementIEquatableId); 66var generateOperatorsOption = result.Options.FirstOrDefault(o => o.Id == GenerateOperatorsId);

GenerateType\AbstractGenerateTypeService.Editor.cs (1)

603var symbol = membersArray.FirstOrDefault(m => m.Name.Equals(expectedFieldName, StringComparison.Ordinal)) ?? membersArray.FirstOrDefault();

GenerateType\AbstractGenerateTypeService.GenerateNamedType.cs (1)

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

GoToBase\AbstractGoToBaseService.cs (1)

26return baseType.InstanceConstructors.FirstOrDefault(

InitializeParameter\AbstractAddParameterCheckCodeRefactoringProvider.cs (6)

424var enumIsDefinedGenericMethod = (IMethodSymbol?)enumIsDefinedMembers.FirstOrDefault(m => m is IMethodSymbol { IsStatic: true, Arity: 1, Parameters.Length: 1 }); 425var enumIsDefinedNonGenericMethod = (IMethodSymbol?)enumIsDefinedMembers.FirstOrDefault(m => m is IMethodSymbol { IsStatic: true, Arity: 0, Parameters.Length: 2 }); 643var enumIsDefinedGenericMethod = enumType.GetMembers(nameof(Enum.IsDefined)).FirstOrDefault(m => m is IMethodSymbol { IsStatic: true, Arity: 1, Parameters.Length: 1 }); 698.FirstOrDefault(s => s is IMethodSymbol { Parameters: [{ Type.SpecialType: SpecialType.System_Object }, ..] }); 723.FirstOrDefault(s => s is IMethodSymbol { IsStatic: true, Arity: 1, Parameters.Length: 2 }); 765.FirstOrDefault(s => s is IMethodSymbol { Parameters: [{ Type.SpecialType: SpecialType.System_String }, ..] });

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 (3)

83var parameter = symbol.GetParameters().FirstOrDefault(p => syntaxFacts.StringComparer.Equals(p.Name, singleWordText)); 90var typeParameter = symbol.GetTypeParameters().FirstOrDefault(t => syntaxFacts.StringComparer.Equals(t.Name, singleWordText)); 101var childMember = namedType.GetMembers().FirstOrDefault(m => syntaxFacts.StringComparer.Equals(m.Name, singleWordText));

Snippets\SnippetProviders\AbstractForLoopSnippetProvider.cs (1)

40.FirstOrDefault(p => p is { GetMethod: { } getMethod } && getMethod.IsAccessibleWithin(compilation.Assembly) && IsSuitableIntegerType(p.Type));

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

100var ienumerableOfT = collectionType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.SpecialType == SpecialType.System_Collections_Generic_IEnumerable_T);

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

700var fadingLocation = member.DeclaringSyntaxReferences.FirstOrDefault(

src\roslyn\src\Analyzers\Core\Analyzers\SimplifyInterpolation\AbstractSimplifyInterpolationHelpers.cs (1)

57var member = type?.GetMembers(name).FirstOrDefault(m => m is IMethodSymbol { IsStatic: false, Parameters.Length: 0 });

src\roslyn\src\Analyzers\Core\CodeFixes\GenerateConstructor\GenerateConstructorHelpers.cs (1)

280return membersArray.FirstOrDefault(m => m.Name.Equals(memberName, StringComparison.Ordinal)) ?? membersArray.FirstOrDefault();

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

44var unimplementedDefaultConstructor = state.UnimplementedConstructors.FirstOrDefault(

src\roslyn\src\Analyzers\Core\CodeFixes\GenerateDefaultConstructors\AbstractGenerateDefaultConstructorsService.State.cs (2)

96var baseNoArgConstructor = baseType.Constructors.FirstOrDefault(c => c.Parameters.Length == 0); 122var matchingConstructor = classConstructors.FirstOrDefault(

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

320constraints.FirstOrDefault(t => t.IsReferenceType);

src\roslyn\src\Analyzers\Core\CodeFixes\ImplementInterface\ImplementHelpers.cs (1)

46.FirstOrDefault(c => c.Parameters.Length > 0 && c.Parameters[0].IsPrimaryConstructor(cancellationToken));

src\roslyn\src\Analyzers\Core\CodeFixes\MakeMethodSynchronous\AbstractMakeMethodSynchronousCodeFixProvider.cs (1)

140var referencedSymbol = references.FirstOrDefault(r => Equals(r.Definition, methodSymbol));

src\roslyn\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 =>

UseNamedArguments\AbstractUseNamedArgumentsCodeRefactoringProvider.cs (1)

34if (potentialArguments.FirstOrDefault(n => n.Parent is TArgumentListSyntax) is not TSimpleArgumentSyntax argument)

CSharp\DefaultTagHelperDescriptorFactory.cs (1)

309.FirstOrDefault(static s => s.ConstructedFrom.HasFullName(TagHelperTypes.IDictionary));

Language\Legacy\TagHelperBlockRewriter.cs (1)

33var nonDefaultRule = boundRulesInfo.Rules.FirstOrDefault(static rule => rule.TagStructure != TagStructure.Unspecified);

Language\Legacy\TagHelperParseTreeRewriter.cs (1)

361var invalidRule = boundRulesInfo.Rules.FirstOrDefault(static rule => rule.TagStructure == TagStructure.WithoutEndTag);

src\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\AdditionalFileProvider.cs (1)

43=> _additionalFiles.FirstOrDefault(x => Path.GetFileName(x.Path).Equals(fileName, StringComparison.OrdinalIgnoreCase));

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\CollectionExpressionUtilities.cs (4)

74namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableOfTType)) ?? 75namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableType)); 124var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c)); 149var attribute = collectionExpressionType.GetAttributes().FirstOrDefault(

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

153var firstNonNull = locations.FirstOrDefault(l => l != null);

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

1111var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1114var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

572.FirstOrDefault(attr => attr.AttributeClass is { Name: "AttributeUsageAttribute", ContainingNamespace: { Name: "System", ContainingNamespace.IsGlobalNamespace: true } });

Editing\SyntaxGenerator.cs (1)

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

FindSymbols\SymbolFinder.cs (1)

231linkedSymbol = linkedNamedType.Constructors.FirstOrDefault(

Recommendations\AbstractRecommendationServiceRunner.cs (2)

241parameterType = method.Parameters.FirstOrDefault(p => _stringComparerForLanguage.Equals(p.Name, argumentName))?.Type; 320.FirstOrDefault(s => s is INamedTypeSymbol namedType && namedType.SpecialType == specialType);

Rename\IRenameRewriterLanguageService.cs (1)

141var conflictingParameter = prop.Parameters.FirstOrDefault(

Rename\RenameUtilities.cs (1)

65var aliasSymbol = symbols.FirstOrDefault(s => s.Kind == SymbolKind.Alias);

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\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\CollectionExpressionUtilities.cs (4)

74namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableOfTType)) ?? 75namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableType)); 124var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c)); 149var attribute = collectionExpressionType.GetAttributes().FirstOrDefault(

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

153var firstNonNull = locations.FirstOrDefault(l => l != null);

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

1111var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1114var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

572.FirstOrDefault(attr => attr.AttributeClass is { Name: "AttributeUsageAttribute", ContainingNamespace: { Name: "System", ContainingNamespace.IsGlobalNamespace: true } });

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

170var fallbackNode = contextSpine.FirstOrDefault(HasAnyImports); 184externContainer = contextSpine.FirstOrDefault(HasExterns) ?? fallbackNode; 185usingContainer = contextSpine.FirstOrDefault(HasUsings) ?? fallbackNode; 186staticUsingContainer = contextSpine.FirstOrDefault(HasStaticUsings) ?? fallbackNode; 187aliasContainer = contextSpine.FirstOrDefault(HasAliases) ?? fallbackNode;

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

136.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnType: var returnType, Parameters.Length: 0 } && 152.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnsVoid: true, Parameters.Length: 0 }) is IMethodSymbol disposeMethodFromPattern)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SymbolFinder\SymbolFinderInternal.cs (1)

85return InSource(result.Symbol) ? result.Symbol : result.CandidateSymbols.FirstOrDefault(InSource);

Workspace\Solution\SolutionCompilationState.RegularCompilationTracker.cs (1)

563metadataReference = inProgressCompilationNotRef.ExternalReferences.FirstOrDefault(

Parser.cs (2)

30.FirstOrDefault(a => a.AttributeClass?.ToDisplayString() == CdacTypeAttributeFqn); 309.FirstOrDefault(x => x.AttributeClass?.ToDisplayString() is

SymbolExtensions.cs (2)

150.FirstOrDefault(m => m is IMethodSymbol && m.IsCompilerGenerated()); 154.FirstOrDefault(m => m is IMethodSymbol method &&

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\ComClassGeneratorDiagnosticsAnalyzer.cs (1)

93if (iface.GetAttributes().FirstOrDefault(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, generatedComInterfaceAttributeType)) is { } generatedComInterfaceAttribute &&

Analyzers\ConvertComImportToGeneratedComInterfaceAnalyzer.cs (1)

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

ComClassInfo.cs (1)

32AttributeData? generatedComInterfaceAttribute = iface.GetAttributes().FirstOrDefault(attr => SymbolEqualityComparer.Default.Equals(attr.AttributeClass, generatedComInterfaceAttributeType));

ComInterfaceGenerator.cs (1)

285TypePositionInfo? managedReturnInfo = signatureContext.ElementTypeInformation.FirstOrDefault(e => e.IsManagedReturnPosition);

VtableIndexStubGenerator.cs (1)

361var unmanagedObjectUnwrapper = symbol.ContainingType.GetAttributes().FirstOrDefault(att => att.AttributeClass.IsOfType(TypeNames.UnmanagedObjectUnwrapperAttribute));

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(

ISymbolExtensions.cs (1)

53 return symbol.GetAttributes().FirstOrDefault(attr => attr.AttributeClass?.Name == attributeName);

BestFriendOnPublicDeclarationsAnalyzer.cs (1)

62var attribute = context.Symbol.GetAttributes().FirstOrDefault(a => SymbolEqualityComparer.Default.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");

PackagesLockFileBuilder.cs (1)

58var framework_dep = framework?.Dependencies.FirstOrDefault(

RestoreCommand\LockFileBuilder.cs (1)

231var libraryDependency = tfi.Dependencies.FirstOrDefault(e => e.Name.Equals(library.Name, StringComparison.OrdinalIgnoreCase));

AbstractCreateTestAccessor`1.cs (1)

44var location = typeSymbol.Locations.FirstOrDefault(location => location.IsInSource && Equals(location.SourceTree, semanticModel.SyntaxTree));

AbstractExposeMemberForTesting`1.cs (1)

50var location = testAccessorType.Locations.FirstOrDefault(location => location.IsInSource && Equals(location.SourceTree, semanticModel.SyntaxTree));

ExportedPartsShouldHaveImportingConstructor.cs (2)

119var appliedImportingConstructorAttribute = constructorAttributes.FirstOrDefault(ad => ad.AttributeClass.DerivesFrom(importingConstructorAttribute)); 140missingImportingConstructor = nonImportingConstructors.FirstOrDefault(constructor => constructor.DeclaredAccessibility == Accessibility.Public)

src\roslyn\src\Dependencies\Collections\Extensions\ImmutableArrayExtensions.cs (1)

990/// Variant of <see cref="System.Linq.ImmutableArrayExtensions.FirstOrDefault{T}(ImmutableArray{T}, Func{T, bool})"/>

src\roslyn\src\Dependencies\Collections\OneOrMany.cs (1)

150return _many.FirstOrDefault(predicate);

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\AdditionalFileProvider.cs (1)

43=> _additionalFiles.FirstOrDefault(x => Path.GetFileName(x.Path).Equals(fileName, StringComparison.OrdinalIgnoreCase));

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\CollectionExpressionUtilities.cs (4)

74namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableOfTType)) ?? 75namedType.AllInterfaces.FirstOrDefault(i => i.OriginalDefinition.Equals(ienumerableType)); 124var constructor = constructors.FirstOrDefault(c => !c.IsStatic && predicate(c)); 149var attribute = collectionExpressionType.GetAttributes().FirstOrDefault(

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

153var firstNonNull = locations.FirstOrDefault(l => l != null);

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

1111var parameter1 = signature1Parameters.FirstOrDefault(p => p.Name == name); 1114var parameter2 = signature2Parameters.FirstOrDefault(p => p.Name == name);

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

572.FirstOrDefault(attr => attr.AttributeClass is { Name: "AttributeUsageAttribute", ContainingNamespace: { Name: "System", ContainingNamespace.IsGlobalNamespace: true } });

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

170var fallbackNode = contextSpine.FirstOrDefault(HasAnyImports); 184externContainer = contextSpine.FirstOrDefault(HasExterns) ?? fallbackNode; 185usingContainer = contextSpine.FirstOrDefault(HasUsings) ?? fallbackNode; 186staticUsingContainer = contextSpine.FirstOrDefault(HasStaticUsings) ?? fallbackNode; 187aliasContainer = contextSpine.FirstOrDefault(HasAliases) ?? fallbackNode;

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

136.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnType: var returnType, Parameters.Length: 0 } && 152.FirstOrDefault(m => m is IMethodSymbol { DeclaredAccessibility: Accessibility.Public, ReturnsVoid: true, Parameters.Length: 0 }) is IMethodSymbol disposeMethodFromPattern)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\SymbolFinder\SymbolFinderInternal.cs (1)

85return InSource(result.Symbol) ? result.Symbol : result.CandidateSymbols.FirstOrDefault(InSource);

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

66var parameter = parameters.FirstOrDefault(p => p.Name == name);

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

51var parameter = parameters.FirstOrDefault(p => p.Name == name);

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

52primaryConstructor = typeSymbol.InstanceConstructors.FirstOrDefault(

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

1633var argument = invocationOperation.Arguments.FirstOrDefault(a => Equals(originalParameter, a.Parameter));

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

223var argumentOp = invocationOp.Arguments.FirstOrDefault(a => a.Syntax == argument);

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

56var constructor = constructedListType.InstanceConstructors.FirstOrDefault(

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

739var codeViewEntry = ImmutableArrayExtensions.FirstOrDefault(entries, e => e.IsPortableCodeView); 747var embeddedPdbEntry = ImmutableArrayExtensions.FirstOrDefault(entries, e => e.Type == DebugDirectoryEntryType.EmbeddedPortablePdb);