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std::front_inserter

提供: cppreference.com
< cpp‎ | iterator

Defined in header <iterator>
template< class Container >
std::front_insert_iterator<Container> front_inserter( Container& c);
front_inserter引数の型から推論型を持つコンテナstd::front_insert_iteratorcを構築するための便利な関数テンプレートです.
Original:
front_inserter is a convenience function template that constructs a std::front_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 -
push_front操作をサポートするコンテナ
Original:
container that supports a push_front operation
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[編集] 値を返します

コンテナstd::front_insert_iteratorの先頭に要素を追加するために使用することができc
Original:
A std::front_insert_iterator which can be used to add elements to the beginning of the container c
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[編集] 可能な実装

template< class Container >
std::front_insert_iterator<Container> front_inserter( Container& c)
{
    return std::front_insert_iterator<Container>(c);
}

[編集]

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

出力:

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

[編集] も参照してください

容器の前面に挿入するためのイテレータアダプタ
Original:
iterator adaptor for insertion at the front 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::back_insert_iteratorを作成します
Original:
creates a std::back_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
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) [edit]