PriceLevel
enum PriceLevelextension PriceLevel : CaseIterable, Equatable, Hashable, IdentifiableThe price level of a place.
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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 == (a: PriceLevel, b: PriceLevel) -> Bool
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                  A type that can represent a collection of all values of this type. DeclarationSwift typealias AllCases = [PriceLevel]
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                  A type representing the stable identity of the entity associated with an instance. DeclarationSwift typealias ID = PriceLevel
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                  A collection of all values of this type. DeclarationSwift nonisolated static var allCases: [PriceLevel] { get }
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                  Place provides expensive services. DeclarationSwift case expensive
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                  Place provides free services. DeclarationSwift case free
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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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                  The stable identity of the entity associated with this instance. DeclarationSwift var id: PriceLevel { get }
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                  Place provides inexpensive services. DeclarationSwift case inexpensive
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                  Place provides moderately priced services. DeclarationSwift case moderate
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                  Place price level is unspecified or unknown. DeclarationSwift case unspecified
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                  Place provides very expensive services. DeclarationSwift case veryExpensive