26.valarray.sub.stdcxx-224.cpp

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#include <cassert>
#include <cstddef>
#include <valarray>
 
int main ()
{
    const int vals[] = { 1, 0 };
    const std::size_t N = sizeof vals / sizeof *vals;
 
    const std::valarray<int> p (vals, N);
 
    assert (N == p.size ());
 
    const std::valarray<int> r = p [std::slice (0, 0, 1)];
 
    assert (0 == r.size ());
}