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// RUN: %target-run-simple-swift(-enable-experimental-feature Extern -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-O -enable-experimental-feature Extern -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// RUN: %target-run-simple-swift(-Osize -enable-experimental-feature Extern -enable-experimental-feature Embedded -parse-as-library -runtime-compatibility-version none -wmo -Xfrontend -disable-objc-interop) | %FileCheck %s
// REQUIRES: swift_in_compiler
// REQUIRES: executable_test
// REQUIRES: optimized_stdlib
// REQUIRES: OS=macosx || OS=linux-gnu
// REQUIRES: swift_feature_Embedded
// REQUIRES: swift_feature_Extern
@main
struct Main {
static func main() {
StaticString("Hello, World!").asUTF8Array.print()
// CHECK: Hello, World!
}
}
extension StaticString {
var asUTF8Array: [UInt8] {
Array(UnsafeBufferPointer(start: utf8Start, count: utf8CodeUnitCount))
}
}
@_extern(c, "putchar")
@discardableResult
func putchar(_: CInt) -> CInt
extension Array<UInt8> {
func print() {
for byte in self {
putchar(CInt(byte))
}
putchar(10)
}
}
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