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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.
13 lines
362 B
Swift
13 lines
362 B
Swift
// This file is a part of the multi-file test driven by 'main.swift'.
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// NB: No "-verify"--this file should parse successfully on its own.
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// RUN: %target-swift-frontend -typecheck -parse-as-library %s
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@main // expected-error{{'main' attribute cannot be used in a module that contains top-level code}}
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class MyMain {
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static func main() {
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}
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}
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func hi() {}
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