Logging Source Generator fails ungracefully with overloaded methods runtime#61814.Logging Source Generator fails to compile using keyword parameters with prefixes runtime#60968.Logging Source Generator fails to compile when in parameter modifier is present runtime#62644.Logging source generator should gracefully fail when special parameters incorrectly get passed as template parameter runtime#64310.S_queueSize.Add(-2) Logging source generator improvements Static ObservableUpDownCounter s_pullQueueSize = s_meter.CreateObservableUpDownCounter("Queue-Size", () => s_pullQueueSize) } After public partial class Foo // s_queueSize = s_meter.CreateUpDownCounter("Queue-Size") Public Regex regex = new RegexOptions.IgnoreCase) Here is an example: Before public class Foo In order to start using it, you only need to turn the containing type into a partial one, and declare a new partial method with the RegexGenerator attribute that will return the optimized Regex object, and that’s it! The source generator will fill the implementation of that method for you, and will get updated automatically as you make changes to your pattern or to the additional options that you pass in. If your pattern is known at compile-time, then the new regex source generator is the way to go. It brings all of the performance benefits from our compiled engine without the startup cost, and it has additional benefits, like providing a great debugging experience as well as being trimming-friendly. We are excited to announce the new Regex Source Generator which was included in Preview 1. Have you ever wished you had all of the great benefits that come from having a specialized Regex engine that is optimized for your particular pattern, without the overhead of building this engine at runtime? Introducing the new Regex Source Generator The following features are now available in the Preview 2 release. NET 7 previews isn’t available yet but is coming soon. NET 7 with Visual Studio family products. We recommend you use the preview channel builds if you want to try. NET 7 Preview 2, for Windows, macOS, and Linux. You can also read what’s new in ASP.NET Core Preview 2. Don’t trim your excitement, just your apps in preparation to try out NativeAOT with your own innovative solutions.ĮF7 preview 2 was also released and is available on NuGet.Take advantage of SDK improvements that provide an entirely new, streamlined tab completion experience to explore templates and parameters when running dotnet new.Build a specialized RegEx pattern matching engine using source generators at compile-time rather than slower methods at runtime.The bits are available for you to grab right now and start experimenting with new features like: NET 7 includes enhancements to RegEx source generators, progress moving NativeAOT from experimental status into the runtime, and a major set of improvements to the “dotnet new” CLI experience.
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