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add Field.Coded dynamic lookups for ObjectPublisher and ObjectSnapshot

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John Estropia
2020-02-17 18:30:18 +09:00
parent 38e9878c04
commit 2d1b1e0592
3 changed files with 46 additions and 1 deletions
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15
Sources/ObjectPublisher.swift
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@@ -397,6 +397,21 @@ extension ObjectPublisher where O: CoreStoreObject {
return FieldContainer<OBase>.Virtual<V>.read(field: object[keyPath: member], for: rawObject) as! V?
}
/**
Returns the value for the property identified by a given key.
*/
public subscript<OBase, V>(dynamicMember member: KeyPath<O, FieldContainer<OBase>.Coded<V>>) -> V? {
guard
let object = self.object,
let rawObject = object.rawObject
else {
return nil
}
return FieldContainer<OBase>.Coded<V>.read(field: object[keyPath: member], for: rawObject) as! V?
}
/**
Returns the value for the property identified by a given key.
*/