std::get(std::array)

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

Ith .

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

a

,

1)

Ith a.

2)

RValue Ith a, , .

3)

Const Ith a.

noexcept:

noexcept

#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[] (C++11)	(public -) []
at (C++11)	(public -) []
std::get(std::tuple) (C++11)	( ) []
std::get(std::pair) (C++11)	( ) []


array (C++11)
vector
vector<bool>
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
flat_set (C++23)
flat_multiset (C++23)
flat_map (C++23)
flat_multimap (C++23)

span (C++20)
mdspan (C++23)

-
,


-

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)

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