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28f96e64ab
If you use SwiftStdlibCurrentOS availability, you will be able to use new types and functions from within the implementation. This works by, when appropriate, building with the CurrentOS availability set to the current deployment target. rdar://150944675
55 lines
1.6 KiB
Swift
55 lines
1.6 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// A type that defines a specific point in time for a given `Clock`.
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@available(SwiftStdlibCurrentOS 5.7, *)
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public protocol InstantProtocol<Duration>: Comparable, Hashable, Sendable {
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associatedtype Duration: DurationProtocol
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func advanced(by duration: Duration) -> Self
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func duration(to other: Self) -> Duration
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}
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/*
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disabled for now - this perturbs operator resolution
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extension InstantProtocol {
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@_alwaysEmitIntoClient
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@inlinable
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public static func + (_ lhs: Self, _ rhs: Duration) -> Self {
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lhs.advanced(by: rhs)
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}
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@_alwaysEmitIntoClient
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@inlinable
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public static func += (_ lhs: inout Self, _ rhs: Duration) {
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lhs = lhs.advanced(by: rhs)
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}
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@_alwaysEmitIntoClient
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@inlinable
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public static func - (_ lhs: Self, _ rhs: Duration) -> Self {
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lhs.advanced(by: .zero - rhs)
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}
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@_alwaysEmitIntoClient
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@inlinable
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public static func -= (_ lhs: inout Self, _ rhs: Duration) {
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lhs = lhs.advanced(by: .zero - rhs)
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}
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@_alwaysEmitIntoClient
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@inlinable
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public static func - (_ lhs: Self, _ rhs: Self) -> Duration {
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rhs.duration(to: lhs)
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}
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}
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*/
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