Why does C# (4.0) not allow co- and contravariance in generic class types?

Posted by Lars Corneliussen on Stack Overflow See other posts from Stack Overflow or by Lars Corneliussen
Published on 2010-03-29T21:40:42Z Indexed on 2010/03/29 21:43 UTC
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Filed under:

c#

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c#4.0

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covariance

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contravariance

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generics

What is the reason for that limitation.

Sure, one couldn't use fields, because they are allways read-write. But that can't be the answer, can it?

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Developer IT

Why does C# (4.0) not allow co- and contravariance in generic class types? - Developer IT

Why does C# (4.0) not allow co- and contravariance in generic class types?

c#

c#4.0

covariance

contravariance

generics

Related posts about c#

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Finding a Relative Path in .NET

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