I am always curious which enhancements to C# are just syntactic sugar vs. requiring IL and/or CLR enhancements. Microsoft released the CLR code required for as

I am always curious which enhancements to C# are just syntactic sugar vs. requiring IL and/or CLR enhancements. Microsoft released the CLR code required for async/await separately, enabling back-compat for .NETv4.0. The F# language has supported it back to .NETv2.0. https://blogs.msdn.microsoft.com/bclteam/2012/10/22/using-asyncawait-without-net-framework-4-5/ https://blogs.msdn.microsoft.com/bclteam/2012/10/22/using-as...