std::shared_ptr<T>::operator[]

Since C++17

Index into the array pointed to by the stored pointer.

# Declarations

element_type& operator[]( std::ptrdiff_t idx ) const;

(since C++17)

# Parameters

# Return value

A reference to the idx-th element of the array, i.e., get()[idx].

# Example

#include <cstddef>
#include <iostream>
#include <memory>
 
int main()
{
    const std::size_t arr_size = 10;
    std::shared_ptr<int[]> pis(new int[10]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
    for (std::size_t i = 0; i < arr_size; ++i)
        std::cout << pis[i] << ' ';
    std::cout << '\n';
}

# See also