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DualExistentialContainer
Azoy edited this page May 6, 2021
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An existential container is a type in Swift that contains some struct or class with information of what the type it's containing is, and the witness tables needed that the existential (protocol) is. Dual supports an existential that is composed of two protocols. E.g. X & Y
public struct DualExistentialContainer
ABI Stability: Stable since the following
| macOS | iOS/tvOS | watchOS | Linux | Windows |
|-------|----------|---------|-------|---------|
| 10.14 | 12.2 | 5.2 | NA | NA |
The base any existential, also known as Any.
public var base: AnyExistentialContainer
A pointer to witness tables.
public var witnessTables: (WitnessTable, WitnessTable)
Generated at 2021-05-06T17:56:33+0000 using swift-doc 1.0.0-beta.6.
Types
- AnonymousDescriptor
- AnonymousDescriptor.Flags
- AnyExistentialContainer
- BoxPair
- ClassDescriptor
- ClassMetadata
- ClassMetadata.Flags
- ConformanceDescriptor
- ConformanceDescriptor.Flags
- ContextDescriptorFlags
- ContextDescriptorKind
- DualExistentialContainer
- EnumDescriptor
- EnumMetadata
- EnumValueWitnessTable
- ExistentialContainer
- ExistentialMetadata
- ExistentialMetadata.Flags
- ExistentialMetatypeMetadata
- ExtensionDescriptor
- FieldDescriptor
- FieldDescriptor.Kind
- FieldRecord
- FieldRecord.Flags
- ForeignClassMetadata
- ForeignMetadataInitialization
- FunctionConvention
- FunctionMetadata
- FunctionMetadata.Flags
- FunctionMetadata.ParamFlags
- GenericContext
- GenericMetadataPattern
- GenericMetadataPattern.Flags
- GenericParameterDescriptor
- GenericParameterKind
- GenericRequirementDescriptor
- GenericRequirementDescriptor.Flags
- GenericRequirementKind
- GenericRequirementLayoutKind
- HeapGenericLocalVariableMetadata
- HeapLocalVariableMetadata
- HeapObject
- KnownMetadata
- KnownMetadata.Builtin
- MetadataAccessFunction
- MetadataBounds
- MetadataInitializationKind
- MetadataKind
- MetadataRequest
- MetadataResponse
- MetadataState
- MetatypeMetadata
- MethodDescriptor
- MethodDescriptor.Flags
- MethodDescriptor.Kind
- MethodOverrideDescriptor
- ModuleDescriptor
- ObjCClassWrapperMetadata
- OpaqueDescriptor
- OpaqueMetadata
- OverrideTableHeader
- ProtocolDescriptor
- ProtocolDescriptor.Flags
- ProtocolRequirement
- ProtocolRequirement.Flags
- ProtocolRequirement.Kind
- ReferenceStorageKind
- SingletonMetadataInitialization
- SpecialProtocol
- StructDescriptor
- StructMetadata
- TupleMetadata
- TupleMetadata.Element
- TypeContextDescriptorFlags
- TypeGenericContext
- TypeReferenceKind
- VTableDescriptorHeader
- ValueOwnership
- ValueWitnessTable
- ValueWitnessTable.Flags
- WitnessTable