Understanding Covariance and Contravariance in .NET 4.0

girijaa

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12 Sep 2011CPOL3 min read

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A covariant type parameter can be used as the return type of a generic delegate/interface, and contravariant type parameters can be used as input parameter types.

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girijaa

Technical Lead Mastek

India

A Software professional with expertise in developing applications using Microsoft Stack [.Net 2.0/3.0/3.5/4.0] , SQL Server 2005/2008 , Asp.Net [Webforms,MVC] , Entity Framework , WPF , Winforms , Enterprise Library .
Knowledge of Sharepoint [MOSS 2007] and SQL Server BI and still learning ...

Understanding Covariance and Contravariance in .NET 4.0

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