File: async-syntax.swift

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// RUN: %target-typecheck-verify-swift -target %target-swift-5.1-abi-triple

// REQUIRES: concurrency

func asyncGlobal1() async { }
func asyncGlobal2() async throws { }

typealias AsyncFunc1 = () async -> ()
typealias AsyncFunc2 = () async throws -> ()
typealias AsyncFunc3 = (_ a: Bool, _ b: Bool) async throws -> ()

func testTypeExprs() {
  let _ = [() async -> ()]()
  let _ = [() async throws -> ()]()
}

func testAwaitOperator() async {
  let _ = await asyncGlobal1()
}

func testAsyncClosure() {
  let _ = { () async in 5 }
  let _ = { () throws in 5 }
  let _ = { () async throws in 5 }
}

func testAwait() async {
  let _ = await asyncGlobal1()
}