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/*
This source file is part of the Swift.org open source project
Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See http://swift.org/LICENSE.txt for license information
See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
/// Converts an asynchronous method having callback using Result enum to synchronous.
///
/// - Parameter body: The async method must be called inside this body and closure provided in the parameter
/// should be passed to the async method's completion handler.
/// - Returns: The value wrapped by the async method's result.
/// - Throws: The error wrapped by the async method's result
//#if compiler(>=5.8)
//@available(*, noasync)
//#endif
public func tsc_await<T, ErrorType>(_ body: (@escaping (Result<T, ErrorType>) -> Void) -> Void) throws -> T {
return try tsc_await(body).get()
}
//#if compiler(>=5.8)
//@available(*, noasync)
//#endif
public func tsc_await<T>(_ body: (@escaping (T) -> Void) -> Void) -> T {
let condition = Condition()
var result: T? = nil
body { theResult in
condition.whileLocked {
result = theResult
condition.signal()
}
}
condition.whileLocked {
while result == nil {
condition.wait()
}
}
return result!
}
@available(*, deprecated, renamed: "tsc_await")
public func await<T, ErrorType>(_ body: (@escaping (Result<T, ErrorType>) -> Void) -> Void) throws -> T {
return try tsc_await(body).get()
}
@available(*, deprecated, renamed: "tsc_await")
public func await<T>(_ body: (@escaping (T) -> Void) -> Void) -> T {
return tsc_await(body)
}
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