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// RUN: %target-run-simple-swift( -plugin-path %swift-plugin-dir -Xfrontend -disable-availability-checking -parse-as-library) | %FileCheck %s
// REQUIRES: executable_test
// REQUIRES: concurrency
// REQUIRES: reflection
// rdar://76038845
// REQUIRES: concurrency_runtime
// UNSUPPORTED: back_deployment_runtime
@available(SwiftStdlib 5.1, *)
enum TL {
@TaskLocal
static var number: Int = 0
}
@available(SwiftStdlib 5.1, *)
@discardableResult
func printTaskLocal<V>(
_ key: TaskLocal<V>,
_ expected: V? = nil,
file: String = #file, line: UInt = #line
) -> V? {
let value = key.get()
print("\(key) (\(value)) at \(file):\(line)")
if let expected = expected {
assert("\(expected)" == "\(value)",
"Expected [\(expected)] but found: \(value), at \(file):\(line)")
}
return expected
}
// ==== ------------------------------------------------------------------------
@available(SwiftStdlib 5.1, *)
func synchronous_bind() {
func synchronous() {
printTaskLocal(TL.$number) // CHECK: TaskLocal<Int>(defaultValue: 0) (1111)
TL.$number.withValue(2222) {
printTaskLocal(TL.$number) // CHECK: TaskLocal<Int>(defaultValue: 0) (2222)
}
printTaskLocal(TL.$number) // CHECK: TaskLocal<Int>(defaultValue: 0) (1111)
}
TL.$number.withValue(1111) {
synchronous()
}
}
@available(SwiftStdlib 5.1, *)
@main struct Main {
static func main() {
synchronous_bind()
}
}
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