std :: tr1 :: array的大小是多少 <int, 16> &gt;

Question

I wonder how to get the size of std::tr1::array<int, 16> > ?

is it just 16*sizeof(int) , which is how 16 byte?

Answer 1

尝试sizeof(std::tr1::array<int, 16> >)

Answer 2

Yes, std::tr1::array is guaranteed to be an aggregate type that wraps the underlying raw array, which in fact you can access with the data() member function. And the size of a raw array is the number of elements times the size of one element.