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• Breaking Changes
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• Covariance and Contravariance
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• Value Types

• The void is invariant

  [UPDATES below] A while back I described a kind of variance that we’ve supported since C# 2.0. When assigning a method group to a delegate type, such that both the selected method and the delegate target agree that their return type is a reference type, Read More... Posted Monday, June 29, 2009 7:30 AM by Eric Lippert | 19 Comments Filed under: Scripting, C#, Breaking Changes, Code Generation, Conversions, Covariance and Contravariance, Memory Management

• The Stack Is An Implementation Detail, Part Two

  A number of people have asked me, in the wake of my earlier posting about value types being on the stack, why it is that value types go on the stack but reference types do not. The short answer is “because they can”. And since the stack is cheap , we Read More... Posted Monday, May 04, 2009 10:57 AM by Eric Lippert | 20 Comments Filed under: C#, Code Generation, Memory Management, Value Types

• The Stack Is An Implementation Detail, Part One

  " style="BORDER-TOP-WIDTH: 0px; DISPLAY: inline; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; MARGIN-LEFT: 0px; MARGIN-RIGHT: 0px; BORDER-RIGHT-WIDTH: 0px" height=240 alt="Stack " src="http://blogs.msdn.com/blogfiles/ericlippert/WindowsLiveWriter/TheStackIsAnImplementationDetail_C978/Stack_thumb_1.jpg" Read More... Posted Monday, April 27, 2009 6:15 AM by Eric Lippert | 35 Comments Filed under: Performance, C#, Lambda Expressions, Code Generation, Memory Management, Value Types, myths