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Showing content from https://www.tutorialspoint.com/cpp_standard_library/cpp_valarray_end.htm below:

C++ valarray Library - Function end

It returns an iterator pointing to the past-the-end element in the valarray x.

Following is the declaration for std::valarray::end function.

template <class T> /*unspecified1*/ end (valarray<T>& x);

template <class T> /*unspecified1*/ end (valarray<T>& x);

x − It is a valarray objects.

It returns an iterator pointing to the first element in the valarray x.

Basic guarantee − if any operation performed on the elements throws an exception.

All elements effectively copied are accessed.

In below example explains about std::valarray::end function.

#include <iostream>
#include <valarray>

int main () {
   std::valarray<int> sam {10,20,30,40,50};

   std::cout << "sam contains:";
   for (auto it = begin(sam); it!=end(sam); ++it)
      std::cout << ' ' << *it;
   std::cout << '\n';

   return 0;
}

Let us compile and run the above program, this will produce the following result −

sam contains: 10 20 30 40 50

valarray.htm

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