std::get(std::array)

 

C++

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ユーティリティライブラリ

ストリングスライブラリ

コンテナライブラリ

アルゴリズムライブラリ

イテレータライブラリ

ニューメリックスライブラリ

入力/出力ライブラリ

ローカライゼーションライブラリ

正規表現ライブラリ (C++11)

アトミック操作ライブラリ (C++11)

スレッドのサポートライブラリ (C++11)

 

コンテナライブラリ

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

 

std::array

メンバ関数 Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

要素アクセスの循環参照を解除するために使用されている Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

array::at

array::operator[]

array::front

array::back

array::data

イテレータ Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

array::begin array::cbegin

array::end array::cend

array::rbegin array::crbegin

array::rend array::crend

容量 Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

array::empty

array::size

array::max_size

修飾子 Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

array::fill

array::swap

非メンバ関数 Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

get

swap

ヘルパークラス Original: Helper classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

tuple_size

tuple_element

 

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

配列からIth要素要素を抽出.

Original:

Extracts the Ith element element from the array.

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Iは範囲[0, N)の整数値でなければなりません。 at()またはoperator[]()とは対照的に、これはコンパイル時に適用されている.

Original:

I must be an integer value in range [0, N). This is enforced at compile time as opposed to at() or operator[]().

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パラメータ

a

-

その内容を抽出するための配列 Original: array whose contents to extract The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

値を返します

1)

Ithのa要素への参照.

Original:

Reference to the Ith element of a.

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2)

右辺値はIthのa要素への参照、要素は左辺値参照が返された場合で、左辺値参照型でない限り.

Original:

Rvalue reference to the Ith element of a, unless the element is of lvalue reference type, in which case lvalue reference is returned.

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3)

Ithのa要素へのconst参照.

Original:

Const reference to the Ith element of a.

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例外

noexcept specification:  

noexcept

  (C + + 11以来)

例

#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";
}

Output:

(1, 2, 3)

も参照してください

operator[]	指定された要素にアクセスします Original: access specified element The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (パブリックメンバ関数)
at	指定された要素にアクセスします。境界チェックを行います。 (パブリックメンバ関数)
std::get(std::tuple)	タプルは、指定された要素にアクセスします Original: tuple accesses specified element The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数テンプレート)
std::get(std::pair) (C++11)	pairの要素にアクセスします Original: accesses an element of a pair The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数テンプレート)