[Qt-interest] QList: Force a deep copy?

[Thiago Macieira]

Eric Clark wrote:
>else if (QTypeInfo<T>::isComplex) new (n) T(t);
>
>Qt is using the placement new operator here. We do not overload this
> operator in our stuff. What does Qt expect it to do? Does it expect
> realloc to get called, or does it just expect "n" to be returned?

We expect it to work exactly like it's supposed to. From 
/usr/include/c++/4.4.0/new:

// Default placement versions of operator new.
inline void* operator new(std::size_t, void* __p) throw() { return __p; }
inline void* operator new[](std::size_t, void* __p) throw() { return __p; 
}

-- 
Thiago Macieira - thiago.macieira (AT) nokia.com
  Senior Product Manager - Nokia, Qt Software
      Sandakerveien 116, NO-0402 Oslo, Norway
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