What's New in .NET 4.0
Visual Studio 2010 and .NET Framework 4 Beta 1 are available for download . .NET 4 Beta 1 contains new functionality and improvements throughout the framework. In this post I’ll discuss the changes specific to the BCL. Many of the features listed below were previously announced when we released the .NET Framework 4 CTP back in November of last year. I’ve included these features again below for completeness. New functionality in Beta 1 that wasn’t present in the CTP is denoted as such. Code Contracts System.Diagnostics.Contracts provides a language-agnostic way to express coding assumptions in .NET programs. The contracts take the form of pre-conditions, post-conditions, and object invariants. Contracts act as checked documentation of your external and internal APIs. The contracts are used to improve testing via runtime checking, enable static contract verification, and could be used in documentation generation. We partner...