SpecialDay
struct SpecialDayextension SpecialDay : Copyable, CustomStringConvertible, Equatable, Escapable, Hashable, SendableRepresents information on a particular day which may have opening hours different than normal.
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                  Returns a Boolean value indicating whether two values are equal. Equality is the inverse of inequality. For any values aandb,a == bimplies thata != bisfalse.DeclarationSwift static func == (lhs: SpecialDay, rhs: SpecialDay) -> BoolParameterslhsA value to compare. rhsAnother value to compare. 
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                  Date for which there may be exceptional hours. DeclarationSwift var date: Date { get }
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                  A textual representation of this instance. Calling this property directly is discouraged. Instead, convert an instance of any type to a string by using the String(describing:)initializer. This initializer works with any type, and uses the customdescriptionproperty for types that conform toCustomStringConvertible:struct Point: CustomStringConvertible { let x: Int, y: Int var description: String { return "(\(x), \(y))" } } let p = Point(x: 21, y: 30) let s = String(describing: p) print(s) // Prints "(21, 30)"The conversion of pto a string in the assignment tosuses thePointtype’sdescriptionproperty.DeclarationSwift var description: String { get }
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                  Hashes the essential components of this value by feeding them into the given hasher. Implement this method to conform to the Hashableprotocol. The components used for hashing must be the same as the components compared in your type’s==operator implementation. Callhasher.combine(_:)with each of these components.Important In your implementation of hash(into:), don’t callfinalize()on thehasherinstance provided, or replace it with a different instance. Doing so may become a compile-time error in the future.DeclarationSwift func hash(into hasher: inout Hasher)
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                  The hash value. Hash values are not guaranteed to be equal across different executions of your program. Do not save hash values to use during a future execution. Important hashValueis deprecated as aHashablerequirement. To conform toHashable, implement thehash(into:)requirement instead. The compiler provides an implementation forhashValuefor you.DeclarationSwift var hashValue: Int { get }
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                  Returns whether or not the day has exceptional hours. Special hours can replace the regular hours on certain dates (often holidays). DeclarationSwift var isExceptional: Bool { get }