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Code Issues 95 Packages Projects Releases 10 Wiki Activity

add missing predicate operator overloads

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John Estropia
2020-02-19 13:58:14 +09:00
parent 843adf21f7
commit 58629bc1df
5 changed files with 29 additions and 12 deletions
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24
Sources/KeyPath+Querying.swift
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@@ -364,7 +364,7 @@ public func ~= <O: NSManagedObject, D: NSManagedObject, S: Sequence>(_ sequence:
/**
Creates a `Where` clause by comparing if a property is equal to a value
```
let person = dataStack.fetchOne(From<Person>().where(\.nickname == "John"))
let person = dataStack.fetchOne(From<Person>().where(\.$nickname == "John"))
```
*/
public func == <O, V>(_ keyPath: KeyPath<O, FieldContainer<O>.Stored<V>>, _ value: V) -> Where<O> {
@@ -372,6 +372,28 @@ public func == <O, V>(_ keyPath: KeyPath<O, FieldContainer<O>.Stored<V>>, _ valu
return Where<O>(keyPath, isEqualTo: value)
}
/**
Creates a `Where` clause by comparing if a property is not equal to a value
```
let person = dataStack.fetchOne(From<Person>().where(\.$nickname != "John"))
```
*/
public func != <O, V>(_ keyPath: KeyPath<O, FieldContainer<O>.Stored<V>>, _ value: V) -> Where<O> {
return !Where<O>(keyPath, isEqualTo: value)
}
/**
Creates a `Where` clause by checking if a sequence contains the value of a property
```
let dog = dataStack.fetchOne(From<Dog>().where(["Pluto", "Snoopy", "Scooby"] ~= \.nickname))
```
*/
public func ~= <O, V, S: Sequence>(_ sequence: S, _ keyPath: KeyPath<O, FieldContainer<O>.Stored<V>>) -> Where<O> where S.Iterator.Element == V {
return Where<O>(O.meta[keyPath: keyPath].keyPath, isMemberOf: sequence)
}
// MARK: - KeyPath where Root: CoreStoreObject, Value: ValueContainer<Root>.Required<QueryableAttributeType & Equatable>