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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Foundation
package enum Availability: Equatable {
/// Example: Either not tagged, or explicit availability is compatible with current build context
case available
/// Example: Explicitly unavailable in current build context - ie, only for another platform.
case unavailable
/// Example: deprecated in the future
case softDeprecated
/// Example: deprecated in the present, or past
case deprecated
/// Completion provider doesn't know if the method is deprecated or not
case unknown
/// Example: keyword
case inapplicable
/// Example: Provider was written before this enum existed, and didn't have an opportunity to provide a value
case unspecified
}
extension Availability: BinaryCodable {
package init(_ decoder: inout BinaryDecoder) throws {
self = try decoder.decodeEnumByte { decoder, n in
switch n {
case 0: return .available
case 1: return .unavailable
case 2: return .softDeprecated
case 3: return .deprecated
case 4: return .unknown
case 5: return .inapplicable
case 6: return .unspecified
default: return nil
}
}
}
package func encode(_ encoder: inout BinaryEncoder) {
let value: UInt8
switch self {
case .available: value = 0
case .unavailable: value = 1
case .softDeprecated: value = 2
case .deprecated: value = 3
case .unknown: value = 4
case .inapplicable: value = 5
case .unspecified: value = 6
}
encoder.write(value)
}
}
@available(*, deprecated, renamed: "Availability")
package typealias DeprecationStatus = Availability
extension Availability {
@available(*, deprecated, renamed: "Availability.available")
package static let none = DeprecationStatus.available
}
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