ptr_array cannot be used with boost::nullable<T> as type parameter

[florian.schmid1978@…]

The copy constructor of ptr_array uses operator[] to access the elements of the ptr_array to copy.
Problem one: It is not save to call ptr_array[i] if element i is null.
Problem two: Operator[] returns a reference to remove_nullable<T>::type. The address of this object is then casted to const T*, which fails with compilation error C2664 if T=nullable<X>, because X* cannot be casted to nullable<X>*.

Reproduction: compile attached test.cpp
Possible fix: see attached patch

Regards, Florian

[florian.schmid1978@…]

The patch in ptr_array.zip is broken, please use the one in ptr_array2.zip.