![]() ![]() In the following example we will fetch a product from the backend.Visual Subst is a handy utility which allows you to associate the most accessed directories with virtual drives. This sounds great but comes with hard to read syntax in most cases. Completion Handlers allow us to send back values after a function returns. ![]() Understanding the changesīefore Swift 5.5 the common way of declaring and implementing asynchronous functions was by using completion handlers. Important to mention is that if you have an app already in place you can use the Assistant to re-generate the Proxy Classes applying this new feature to your Proxy Classes easily. To understand why the introduction of these language changes within Swift 5.5 are such a great improvement let us look at an example. The team of the SDK has introduced the SAP BTP SDK for iOS – OfflineDataServiceAsync class which is basically using the Async/Await methodology to introduce this new language feature within the SAP BTP SDK for iOS. That means if you are using the SAP BTP SDK for iOS version 9.1 and higher to create a new app you will have the async/await feature out of the box. In version 9.1, the SAP BTP SDK for iOS has changed it’s own OData frameworks to apply to this improved way of implementing asynchronous functions by providing function definitions within the framework’s own API using the SAP BTP SDK for iOS Assistant (Assistant). This addition to the Swift programming language was made to remove the complexity of using completion handlers to handle asynchronous callbacks. Calling such a function can simply be achieved by using the await or, if the function throws, the await throws keywords. This allows for functions to opt into being declared and handled as async, allowing for complex asynchronous operations using the known control flow. Asynchronously marked functions were introduced with SE-0296 for Swift 5.5 to make asynchronous calls easier to implement and to read. ![]()
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