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// RUN: %target-typecheck-verify-swift -enable-experimental-feature ParserASTGen -DDISCARDABLE -DNONSENDABLE -swift-version 6
// REQUIRES: swift_feature_ParserASTGen
#if NOT_SET
func f { } // expected-error{{expected parameter clause in function signature}}
// expected-note@-1{{insert parameter clause}}{{7-8=}}{{8-8=(}}{{8-8=) }}
#endif
#if compiler(>=10.0)
bad code is not diagnosed
#endif
#if canImport(NoSuchModule)
func g() { }
#else
func h() { }
#endif
func testH() {
h()
}
// Declaration attributes
#if DISCARDABLE
@discardableResult
#endif
func ignorable() -> Int { 5 }
func testIgnorable() {
ignorable() // no warning
}
// Type attributes
// FIXME: Something isn't getting converted properly when I try to put an #if
// within the type attributes.
typealias CallbackType = () -> Void
func acceptMaybeSendable(body: CallbackType) { }
func testMaybeSendable() {
var x = 10
acceptMaybeSendable {
x += 1
}
print(x)
}
// Switch cases
enum SafetyError: Error {
case unsafe
#if NONSENDABLE
case nonSendable
#endif
}
extension SafetyError {
var description: String {
switch self {
case .unsafe: "unsafe"
#if NONSENDABLE
case .nonSendable: "non-sendable"
#endif
}
}
}
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