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std::back_inserter

提供: cppreference.com
< cpp‎ | iterator

 
 
イテレータライブラリ
イテレータプリミティブ
Original:
Iterator primitives
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iterator_traits
input_iterator_tag
output_iterator_tag
forward_iterator_tag
bidirectional_iterator_tag
random_access_iterator_tag
iterator
イテレータアダプタ
Original:
Iterator adaptors
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reverse_iterator
ストリーム反復子
Original:
Stream iterators
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istream_iterator
ostream_iterator
istreambuf_iterator
ostreambuf_iterator
イテレータ操作
Original:
Iterator operations
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advance
distance
prev(C++11)
next(C++11)
アクセスの範囲
Original:
Range access
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begin(C++11)
end(C++11)
 
Defined in header <iterator>
template< class Container >
std::back_insert_iterator<Container> back_inserter( Container& c);
back_inserter引数の型から推論型を持つコンテナstd::back_insert_iteratorcを構築するための便利な関数テンプレートです.
Original:
back_inserter is a convenience function template that constructs a std::back_insert_iterator for the container c with the type deduced from the type of the argument.
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目次

[編集] パラメータ

c -
一back操作をサポートするコンテナ
Original:
container that supports a push_back operation
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[編集] 値を返します

コンテナstd::back_insert_iteratorの最後に要素を追加するために使用できますc
Original:
A std::back_insert_iterator which can be used to add elements to the end of the container c
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[編集] 可能な実装

template< class Container >
std::back_insert_iterator<Container> back_inserter( Container& c)
{
    return std::back_insert_iterator<Container>(c);
}

[編集]

#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
int main()
{
    std::vector<int> v{1,2,3,4,5,6,7,8,9,10};
    std::fill_n(std::back_inserter(v), 3, -1);
    for(int n : v)
        std::cout << n << ' ';
}

Output:

1 2 3 4 5 6 7 8 9 10 -1 -1 -1

[編集] も参照してください

コンテナの末尾に挿入するためのイテレータアダプタ
Original:
iterator adaptor for insertion at the end of a container
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(クラステンプレート) [edit]
引数から推論された型のstd::front_insert_iteratorを作成します
Original:
creates a std::front_insert_iterator of type inferred from the argument
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(関数テンプレート) [edit]
引数から推論された型のstd::insert_iteratorを作成します
Original:
creates a std::insert_iterator of type inferred from the argument
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(関数テンプレート) [edit]