Beta VB 9.0 language specification released…

While I was visiting MSR Cambridge this week with some other people from Redmond, Beth put up the Beta 2 version of the Visual Basic Language specification on our developer center–so she got to beat me to the announcement! This updated language specification corresponds to Visual Studio 2008 and covers the following major new features:

  • Friend assemblies (InternalsVisibleTo)
  • Relaxed delegates
  • Local type inferencing
  • Anonymous types
  • Extension methods
  • Nullable types
  • Ternary operator
  • Query expressions
  • Object initializers
  • Expression trees
  • Lambda expressions
  • Generic type inferencing
  • Partial methods

The following features are not covered but should be shortly:

  • XML Members
  • XML Literals
  • XML Namespaces

The XML features are a little more difficult because I’m debating how much I should just refer to the XML 1.0 spec, versus how much I should specify explicitly. I’ll probably err a little more on the side of the latter, since it’ll be necessary for understandability…

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