SE-0294 adds a new target option for apps using Swift Package manager, allowing us to explicitly declare an executable target.
This is particularly important for folks who want to use SE-0281 (using
@main to mark your program’s entry point), because it didn’t play nicely with Swift Package Manager – it would always look for a main.swift file.
With this change, we can now remove main.swift and use
@main instead. Note: You must specify
// swift-tools-version:5.4 in your Package.swift file in order to get this new functionality.
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