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out parameters and contravariance
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Marcel Müller
Apr 16, 2013, 8:04:17 AM4/16/13
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Why does
public delegate void ActionOut<out T>(out T arg1);
not work?
From my understanding arg1 is only passed from the callee to the
caller, so it should be safe, if the delegate is invoked with a base
class of T.
Marcel
public delegate void ActionOut<out T>(out T arg1);
not work?
From my understanding arg1 is only passed from the callee to the
caller, so it should be safe, if the delegate is invoked with a base
class of T.
Marcel
bradbury9
Apr 16, 2013, 9:19:49 AM4/16/13
to
Something like:
public delegate void ActionOut<T>(T arg1) where T : EventArgs
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