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std::insert_iterator

提供: cppreference.com
< cpp‎ | iterator

Defined in header <iterator>
template< class Container >

class insert_iterator : public std::iterator< std::output_iterator_tag,

                                              void,void,void,void >
std::insert_iterator出力イテレータは、それが位置に、構築されたためにコンテナに挿入する要素は、イテレータが(間接参照するか否かにかかわらず)に割り当てられるたびに、コンテナのinsert()メンバ関数を使用して、付属のイテレータが指すということです。 std::insert_iteratorをインクリメントすると、操作は行われません.
Original:
std::insert_iterator is an output iterator that inserts elements into a container for which it was constructed, at the position pointed to by the supplied iterator, using the container's insert() member function whenever the iterator (whether dereferenced or not) is assigned to. Incrementing the std::insert_iterator is a no-op.
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目次

[編集] メンバータイプ

メンバー·タイプ
Original:
Member type
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Definition
container_type Container

[編集] メンバ関数

テンプレート:cpp/iterator/inserter/dsc operator++
新しいinsert_iteratorを構築します
Original:
constructs a new insert_iterator
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(パブリックメンバ関数) [edit]
関連付けられたコンテナにオブジェクトを挿入します
Original:
inserts an object into the associated container
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(パブリックメンバ関数) [edit]
no-op
(パブリックメンバ関数) [edit]

[編集] メンバーオブジェクト

メンバー名
Original:
Member name
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Definition
container (保護されています)
タイプContainer*のポインタ
Original:
a pointer of type Container*
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iter (保護されています)
タイプContainer::iteratorのイテレータ
Original:
an iterator of type Container::iterator
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Inherited from std::iterator

Member types

メンバー·タイプ
Original:
Member type
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Definition
value_type void
difference_type void
pointer void
reference void
iterator_category std::output_iterator_tag

[編集]

#include <vector>
#include <list>
#include <iostream>
#include <iterator>
#include <algorithm>
int main()
{
    std::vector<int> v{1,2,3,4,5};
    std::list<int> l{-1,-2,-3};
    std::copy(v.begin(), v.end(), // may be simplified with std::inserter
              std::insert_iterator<std::list<int>>(l, std::next(l.begin()))); 
    for(int n : l)
        std::cout << n << ' ';
    std::cout << '\n';
}

出力:

-1 1 2 3 4 5 -2 -3

[編集] も参照してください

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]
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]
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]