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Is dynamic_cast' ing a NULL pointer safe

 
 
Rahul
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      03-17-2010
Hi All,

Is the following statement safe when ptr1 value is NULL

Derived *ptr2 = dynamic_cast<Derived *>(ptr1)

though it works properly in VC++ yet I wanted to know if it is
considered safe as per the c++ standard (like delete NULL

Thanks in advance
Rahul

 
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