A while ago I was working on a new service at work which consisted of a Swift Package which exposed a protocol similar to Decodable for the rest of our app to use. In fact, the protocol inherited from Decodable itself and looked like this:
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Note that build tool plugins for Xcode projects are not yet available in Xcode 14 Beta 2 as the release notes specify, but will be made available in a future version of Xcode 14.
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As with all Swift Packages, the simplest way to get started is by running swift package init on the command line.
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After creating the executableTarget and giving it both dependencies, this is what the Package.swift looks like:
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In the same way as for the executable, a .plugin target must be added to the Package.swift and a .swift file must be created containing the plugin's implementation (Plugins/SourceKitPlugin/SourceKitPlugin.swift).
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