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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP: reorganization of keypath utilities (in prep for @propertyWrappers)

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John Estropia
2019-07-09 14:50:23 +09:00
parent 67bb9340c7
commit ed3d21db77
14 changed files with 523 additions and 314 deletions
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54
Sources/Value.swift
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@@ -73,7 +73,7 @@ public enum ValueContainer<O: CoreStoreObject> {
```
- Important: `Value.Required` properties are required to be stored properties. Computed properties will be ignored, including `lazy` and `weak` properties.
*/
public final class Required<V: ImportableAttributeType>: AttributeProtocol {
public final class Required<V: ImportableAttributeType>: AttributeKeyPathStringConvertible, AttributeProtocol {
/**
Initializes the metadata for the property.
@@ -129,11 +129,11 @@ public enum ValueContainer<O: CoreStoreObject> {
self.customSetter = customSetter
self.affectedByKeyPaths = affectedByKeyPaths
}
/**
The property value.
The attribute value
*/
public var value: V {
public var value: ReturnValueType {
get {
@@ -183,6 +183,25 @@ public enum ValueContainer<O: CoreStoreObject> {
}
}
}
// MARK: AnyKeyPathStringConvertible
public var cs_keyPathString: String {
return self.keyPath
}
// MARK: KeyPathStringConvertible
public typealias ObjectType = O
public typealias DestinationValueType = V
// MARK: AttributeKeyPathStringConvertible
public typealias ReturnValueType = DestinationValueType
// MARK: AttributeProtocol
@@ -265,7 +284,7 @@ public enum ValueContainer<O: CoreStoreObject> {
```
- Important: `Value.Optional` properties are required to be stored properties. Computed properties will be ignored, including `lazy` and `weak` properties.
*/
public final class Optional<V: ImportableAttributeType>: AttributeProtocol {
public final class Optional<V: ImportableAttributeType>: AttributeKeyPathStringConvertible, AttributeProtocol {
/**
Initializes the metadata for the property.
@@ -324,11 +343,11 @@ public enum ValueContainer<O: CoreStoreObject> {
self.customSetter = customSetter
self.affectedByKeyPaths = affectedByKeyPaths
}
/**
The property value.
The attribute value
*/
public var value: V? {
public var value: ReturnValueType {
get {
@@ -377,6 +396,25 @@ public enum ValueContainer<O: CoreStoreObject> {
}
}
}
// MARK: AnyKeyPathStringConvertible
public var cs_keyPathString: String {
return self.keyPath
}
// MARK: KeyPathStringConvertible
public typealias ObjectType = O
public typealias DestinationValueType = V
// MARK: AttributeKeyPathStringConvertible
public typealias ReturnValueType = DestinationValueType?
// MARK: AttributeProtocol