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When a type (class, enum, or struct) is annotated @main, it is required to provide a function with the following signature: static func main() -> () That function will be called when the executable the type is defined within is launched.
20 lines
280 B
Swift
20 lines
280 B
Swift
// RUN: %target-swift-frontend -typecheck -parse-as-library -verify %s
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protocol Runnable {
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init()
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func run()
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}
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extension Runnable {
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static func main() {
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let it = Self.init()
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it.run()
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}
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}
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@main
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struct EntryPoint : Runnable {
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func run() {
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}
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}
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