Wrapping Asynchronous Functions In ReactiveSwift

reactiveSwiftWrapper-mockExternalLibrary.swift

// Mock External Library Definitions
func mockAsyncFunction(completion: @escaping (String?, MockError?) -> Void ) {
	DispatchQueue.main.asyncAfter(deadline: .now() + 5) {
		completion("mockAsyncFunction completed successfully", nil)
//		uncomment the below line and comment the one above to return an error
//		completion(nil, MockError.asyncError)
	}
}

enum MockError: Error, LocalizedError {
	case asyncError
	var errorDescription: String? {
		switch self {
		case .asyncError:
			return "Async had an error"
		}
	}
}