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C# in Depth, Third Edition: Foreword by Eric Lippert by Jon Skeet

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Chapter 16. C# 5 bonus features and closing thoughts

This chapter covers

  • Changes to captured variables
  • Caller information attributes
  • Closing thoughts

C# 2 had a bunch of small but disparate features, along with the major ones. C# 3 had several minor features building up to LINQ. Even C# 4 had relatively small features worth going into some detail about.

C# 5 has almost no features beyond asynchrony. It has just two little extras, both tiny. The C# design team always weighs the cost of a feature (in terms of design, implementation, testing, documentation, and developer education) against its benefits. I’m sure there are plenty of outstanding feature requests the team would like to satisfy, so presumably the costs of these bite-sized features ...

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