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std::back_insert_iterator

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C++
 
Iterator Bibliothek
Iterator Primitiven
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
Iterator Adaptern
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Iterator adaptors
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reverse_iterator
Stream-Iteratoren
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Stream iterators
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istream_iterator
ostream_iterator
istreambuf_iterator
ostreambuf_iterator
Iterator Operationen
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Iterator operations
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advance
distance
prev(C++11)
next(C++11)
Reichen Zugang
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Range access
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begin(C++11)
end(C++11)
 
std::back_insert_iterator
Member-Funktionen
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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)
 
definiert in Header <iterator>
template< class Container >

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

                                                   void,void,void,void >
std::back_insert_iterator ist ein OutputIterator, dass das Anhängen an einen Behälter für die es konstruiert wurde, unter Verwendung des Containers push_back() Member-Funktion, wenn der Iterator (ob dereferenziert oder nicht) zugeordnet ist. Inkrementieren des std::back_insert_iterator ist ein no-op .
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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Inhaltsverzeichnis

[Bearbeiten] Mitglied Typen

Mitglied Typ
Original:
Member type
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 Definition
container_type Container

[Bearbeiten] Member-Funktionen

Vorlage:cpp/iterator/inserter/dsc operator++
baut eine neue back_insert_iterator
Original:
constructs a new back_insert_iterator
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(öffentliche Elementfunktion) [edit]
Fügt ein Objekt in dem zugehörigen Behälter
Original:
inserts an object into the associated container
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(öffentliche Elementfunktion) [edit]
no-op
(öffentliche Elementfunktion) [edit]

[Bearbeiten] Mitglied widerspricht

Member name
Original:
Member name
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 Definition
container (geschützt)
ein Zeiger vom Typ Container*
Original:
a pointer of type Container*
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Inherited from std::iterator

Member types

Mitglied Typ
Original:
Member type
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 Definition
value_type void
difference_type void
pointer void
reference void
iterator_category std::output_iterator_tag

[Bearbeiten] Beispiel

#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

[Bearbeiten] Siehe auch
schafft eine std::back_insert_iterator des Typs aus dem Argument abgeleitet
Original:
creates a std::back_insert_iterator of type inferred from the argument
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(Funktions-Template) [edit]
Iterator Adapter für die Zuführung an der Vorderseite eines Behälters
Original:
iterator adaptor for insertion at the front of a container
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(Klassen-Template) [edit]
Iterator Adapter zum Einsetzen in einen Behälter
Original:
iterator adaptor for insertion into a container
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(Klassen-Template) [edit]
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