🚀 go-pugleaf

>>>>> Igor Boukanov <Igor.Boukanov@fi.uib.no> writes:

> Why do not require that every C++ implementation should provide function
> that will return for the pointer obtained from new[] the number of 
> allocated elements, i.e. something like:

> template<class T> size_t array_allocation_size(T* p);

> So for 'int* p = new int[3];' 'array_allocation_size(p)' will return 3.

> Such function will be very easy to implement because in the case of
> delete[] compiler use something like this.

Not necessarily.  For instance, g++ only stores the number of elements if 

1) The element type has a destructor, or
2) The element type has an operator delete that takes the size_t argument.

Jason
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