¡@
c# Programming Glossary: contraWhy does IEnumerable<T> inherit from IEnumerable? http://stackoverflow.com/questions/221691/why-does-ienumerablet-inherit-from-ienumerable is possible is IEnumerable T because only IEnumerable T is contra variant In IEnumerable T the type parameter T is used only in.. are therefore invariant. As an aside they would have been contra variant if T was used only in input positions but that doesn't..
How is Generic Covariance & Contra-variance Implemented in C# 4.0? http://stackoverflow.com/questions/245607/how-is-generic-covariance-contra-variance-implemented-in-c-sharp-4-0 that C# 4.0 is announced to support Generic covariance and contra variance. That is List string can be assigned to List object.. explained why C# generics doesn't support covariance and contra variance. It is mainly for writing secure code. Now C# 4.0 changed.. C# 4.0 can give some explanation c# c# 4.0 covariance contravariance generic variance share improve this question Variance..
are there function pointers in c#? http://stackoverflow.com/questions/2738850/are-there-function-pointers-in-c also have built in asynchronous interfaces and have co contra variance when assigning new functions to a delegate and in .NET..
Is it the best practice to extract an interface for every class? http://stackoverflow.com/questions/3036749/is-it-the-best-practice-to-extract-an-interface-for-every-class furthering onto IoC DI . Ancillary things like co and contra variance support in C#. For achieving these goals interfaces.. my old answer for context. Interfaces define a public contract. People implementing interfaces have to implement this contract... People implementing interfaces have to implement this contract. Consumers only see the public contract. This means the implementation..
still confused about covariance and contravariance & in/out http://stackoverflow.com/questions/3445631/still-confused-about-covariance-and-contravariance-in-out confused about covariance and contravariance in out ok i read a bit on this topic on stackoverflow.. watched this this but still a bit confused about co contra variance. from here Covariance allows a bigger less specific.. to write to it and out when its read only. and in means contra variance out co variance. but from the explanation above.....
Why does C#/CLR not support method override co/contra-variance? http://stackoverflow.com/questions/837134/why-does-c-clr-not-support-method-override-co-contra-variance does C# CLR not support method override co contra variance There are quite a few questions answers about hacking.. CLR As I an see there is nothing that could break if co contra variance was allowed so what is the reasoning behind it A similar..
http://stackoverflow.com/questions/9577938/odata-with-servicestack of your service tightly coupling your implicit service contract to the underlying RDBMS tables giving you limited control.. . OData is slow OData itself has found to be slow which is contra to our core objectives and the lack of control over the implementation..
C#: No implict conversion from Class<Child> to Class<Base> http://stackoverflow.com/questions/981570/c-no-implict-conversion-from-classchild-to-classbase covariance of lists etc. C# 4.0 will support limited co contra variance but still not lists . The problem is that with Container..
|