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SortDescriptor Struct Reference
SortDescriptor
public struct SortDescriptorA SortDescriptor stores a key path and a sort order for use with sorted(sortDescriptors:). It is similar to
NSSortDescriptor, but supports only the subset of functionality which can be efficiently run by Realm’s query engine.
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The key path which the sort descriptor orders results by.
Declaration
Swift
public let keyPath: String -
Whether this descriptor sorts in ascending or descending order.
Declaration
Swift
public let ascending: Bool
-
Creates a sort descriptor with the given key path and sort order values.
Declaration
Swift
public init(keyPath: String, ascending: Bool = true)Parameters
keyPathThe key path which the sort descriptor orders results by.
ascendingWhether the descriptor sorts in ascending or descending order.
-
Returns a copy of the sort descriptor with the sort order reversed.
Declaration
Swift
public func reversed() -> SortDescriptor
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A human-readable description of the sort descriptor.
Declaration
Swift
public var description: String
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Returns whether the two sort descriptors are equal.
Declaration
Swift
public static func == (lhs: SortDescriptor, rhs: SortDescriptor) -> Bool
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Declaration
Swift
public typealias UnicodeScalarLiteralType = StringLiteralType -
Declaration
Swift
public typealias ExtendedGraphemeClusterLiteralType = StringLiteralType -
Creates a
SortDescriptorout of a Unicode scalar literal.Declaration
Swift
public init(unicodeScalarLiteral value: UnicodeScalarLiteralType)Parameters
unicodeScalarLiteralProperty name literal.
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Creates a
SortDescriptorout of a character literal.Declaration
Swift
public init(extendedGraphemeClusterLiteral value: ExtendedGraphemeClusterLiteralType)Parameters
extendedGraphemeClusterLiteralProperty name literal.
-
Creates a
SortDescriptorout of a string literal.Declaration
Swift
public init(stringLiteral value: StringLiteralType)Parameters
stringLiteralProperty name literal.
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Construct a sort descriptor using a
SyncPermissionSortProperty.Declaration
Swift
public init(sortProperty: SyncPermissionSortProperty, ascending: Bool = true)