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std::back_insert_iterator

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)
 
std::back_insert_iterator
メンバ関数
Original:
Member functions
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back_insert_iterator::back_insert_iterator
back_insert_iterator::operator=
back_insert_iterator::operator*
back_insert_iterator::operator++
back_insert_iterator::operator++(int)
 
Defined in header <iterator>
template< class Container >

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

                                                   void,void,void,void >
std::back_insert_iteratorOutputIteratorイテレータは(間接参照するかどうかにかかわらず)に割り当てられたときにそれを構成しているため、容器に付加が、コンテナのpush_back()メンバ関数を使用するということです。 std::back_insert_iteratorをインクリメントすると、操作は行われません.
Original:
std::back_insert_iterator is an OutputIterator that appends to a container for which it was constructed, using the container's push_back() member function whenever the iterator (whether dereferenced or not) is assigned to. Incrementing the std::back_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back_insert_iteratorを構築します
Original:
constructs a new back_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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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 <iostream>
#include <iterator>
#include <algorithm>
#include <cstdlib>
int main()
{
    std::vector<int> v;
    std::generate_n(std::back_insert_iterator<std::vector<int>>(v), // can be simplified
                    10, [](){return std::rand()%10;});        // with std::back_inserter
    for(int n : v)
        std::cout << n << ' ';
    std::cout << '\n';
}

Output:

3 6 7 5 3 5 6 2 9 1

[編集] も参照してください

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]
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]
コンテナに挿入するためのイテレータアダプタ
Original:
iterator adaptor for insertion into a container
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(クラステンプレート) [edit]