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The proposal was [accepted with modifications](https://forums.swift.org/t/accepted-with-modifications-se-0428-resolve-distributedactor-protocols/71366) The decision was made to change the spelling of the attached macro in the proposal from @DistributedProtocol to `@Resolvable` (or `@Distributed.Resolvable` if disambiguation is needed).
35 lines
1.4 KiB
Swift
35 lines
1.4 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) 2020-2024 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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// Macros supporting distributed actor features.
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//===----------------------------------------------------------------------===//
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import Swift
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import _Concurrency
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// Macros are disabled when Swift is built without swift-syntax.
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#if $Macros && hasAttribute(attached)
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/// Enables the attached to protocol to be resolved as remote distributed
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/// actor reference.
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///
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/// ### Requirements
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///
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/// The attached to type must be a protocol that refines the `DistributedActor`
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/// protocol. It must either specify a concrete `ActorSystem` or constrain it
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/// in such way that the system's `SerializationRequirement` is statically known.
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@attached(peer, names: prefixed(`$`)) // provides $Greeter concrete stub type
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@attached(extension, names: arbitrary) // provides extension for Greeter & _DistributedActorStub
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public macro Resolvable() =
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#externalMacro(module: "SwiftMacros", type: "DistributedResolvableMacro")
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#endif
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