std::get(std::array)

`template< size_t I, class T, size_t N > constexpr T& get( array<T,N>& a ) noexcept;`	(1)	(C++11)
`template< size_t I, class T, size_t N > constexpr T&& get( array<T,N>&& a ) noexcept;`	(2)	(C++11)
`template< size_t I, class T, size_t N > constexpr const T& get( const array<T,N>& a ) noexcept;`	(3)	(C++11)
`template< size_t I, class T, size_t N > constexpr const T&& get( const array<T,N>&& a ) noexcept;`	(4)	(C++17)

I

I [0, N) at() operator[]

a

-

a I

C++14 constexpr

Run this code

#include <iostream>
#include <array>

int main()
{
    std::array<int, 3> arr;
    
    // set values:
    std::get<0>(arr) = 1;
    std::get<1>(arr) = 2;
    std::get<2>(arr) = 3;
    
    // get values:
    std::cout << "(" << std::get<0>(arr) << ", " << std::get<1>(arr)
              << ", " << std::get<2>(arr) << ")\n";
}

:

(1, 2, 3)

operator[]	() [edit]
at	() [edit]
std::get(std::tuple)	() [edit]
std::get(std::pair) (C++11)	`pair` () [edit]
std::get(std::variant) (C++17)	() variant () [edit]

array (C++11)
vector
deque
forward_list (C++11)
list
set
multiset
map
multimap
unordered_set (C++11)
unordered_multiset (C++11)
unordered_map (C++11)
unordered_multimap (C++11)
stack
queue
priority_queue
span (C++20)



array::at
array::operator[]
array::front
array::back
array::data

array::beginarray::cbegin
array::endarray::cend
array::rbeginarray::crbegin
array::rendarray::crend

array::empty
array::size
array::max_size

array::fill
array::swap

get
std::swap
to_array (C++20)
operator==operator!=operator<operator>operator<=operator>=operator<=> (C++20)(C++20)(C++20)(C++20)(C++20)(C++20)

tuple_size
tuple_element
(C++17)

cppreference.com

std::get(std::array)