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I was wondering if anyone could point me in the right direction…
How do I cast from ReadOnlyCollection<myDerivedType> to ReadOnlyCollection<myBaseType> without iterating or “newing up” a copy?
I am using .NET Framework 4.0
You can implicitly convert a
ROC<Derived>into anIEnumerable<Base>in C# 4, but not into aROC<Base>.That is unfortunate; it would be really nice to be able to do covariant conversions on immutable types.