Is lock() type-cast safe?

Posted by Andy on Stack Overflow See other posts from Stack Overflow or by Andy
Published on 2010-05-15T03:28:28Z Indexed on 2010/05/15 3:34 UTC
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public class A { }
public class B:A { }

void foo()
{
   A a = new B();
   B b = a as B;
}

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