Problem with implicit conversion and null

I have this function

public static implicit operator MyClass(string v) { return new MyClass(v); }

and write var.myclass = null;. This calls the implicit operator and passes null as string, which causes havoc in my code (i use reflection and would not like to add a special case). How can i write myclass = null without causing the implicit operator?

I tried 开发者_运维百科writing

public static implicit operator MyClass(string v) { return  v == null ? null : new MyClass(v); }

But that causes a stackoverflow

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I believe that your problem is that both sides of the ternary operator must be of the same or compatible types.

Try writing

if (v == null)
    return null;
else
    return new MyClass(v);

EDIT: I can only reproduce your issue if I make MyClass a struct, in which case your question is impossible; a struct cannot be null.

Please provide more details.