![]() ![]() The problem with such a change is that it breaks existing code: the feature assumes that all variables from before the change are non-nullable. Similarly, warnings are generated when dereferencing a nullable variable without checking it for null value first: The core idea is to allow variable type definitions to specify whether they can have null value assigned to them or not:Īssigning a null value or a potential null value to a non-nullable variable results in a compiler warning (the developer can configure the build to fail in case of such warnings, to be extra safe): The goal of this feature is to help developers avoid unhandled NullReferenceException exceptions. Nullable reference types were already considered in the early stages of C# 7.0 development but were postponed until the next major version. From the Build pane of the project Properties window, open the Advanced Build Settings dialog and select C# 8.0 (beta) as the Language version. In the Application pane of the project Properties window, make sure that the Target framework is set to. To create a suitable project for trying out all currently available C# 8.0 features, you can follow these steps:ġ. NET Standard 2.1 and include the new types required for some of the C# 8 features. It’s also worth mentioning that there are currently no plans for a future. NET Developers in 2018 & the Road Ahead).Īt the time of writing, the only. NET Standard 2.1 in my DNC Magazine article What Was New for. NET Standard 2.1 (you can read more about. That’s because some of the language features depend on. If you want to try out all the already available new language features yourself, you also need to install the latest preview version of. However NET Core 3.0 is still in its preview as of this writing.NET Core 3.0 will not be released along with VS 2019, but sometime later in 2019. NET Core 3.0 preview, C# 8 is also included in the Visual Studio 2019 versions.Įditorial Note: The final version of Visual Studio 2019 got released today, April 2 nd, 2019. It’s going to be released at the same time as. ![]() The long-awaited next major version of the C# language (C# 8.0) is nearing its final release. C# 8 in VS 2019 - Setting up the development environment ![]()
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