What is Covariance, Contravariance & Invariance: इस पूरे Chapter के विभिन्न Programs में हमने देखा है कि जब हम Generic Type का Instance Create करते हैं, तो Compiler Compile Time में Specified Parameter Type के आधार पर Generics को Modify करके Constructed Type Create करता है, लेकिन सामान्यत: Generics Based Program Create करते समय ये समझने में Mistake हो जाती है कि हम किसी Derived Type के Delegate का Reference किसी Base Type के Delegate … [Read more...]
What is Covariance, Contravariance & Invariance
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