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std::front_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
move_iterator(C++11)
back_insert_iterator
front_insert_iterator
insert_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::front_insert_iterator
Member-Funktionen
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Member functions
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front_insert_iterator::front_insert_iterator
front_insert_iterator::operator=
front_insert_iterator::operator*
front_insert_iterator::operator++
front_insert_iterator::operator++(int)
 
definiert in Header <iterator>
template< class Container >

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

                                                   void,void,void,void >
std::front_insert_iterator ist ein Output-Iterator die Elemente prepends einen Behälter für die es konstruiert wurde, unter Verwendung des Containers push_front() Member-Funktion, wenn der Iterator (ob dereferenziert oder nicht) wird zugewiesen. Inkrementieren des std::front_insert_iterator ist ein no-op .
Original:
std::front_insert_iterator is an output iterator that prepends elements to a container for which it was constructed, using the container's push_front() member function whenever the iterator (whether dereferenced or not) is assigned to. Incrementing the std::front_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 front_insert_iterator
Original:
constructs a new front_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
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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 <vector>
#include <deque>
#include <iostream>
#include <iterator>
#include <algorithm>
int main()
{
    std::vector<int> v{1,2,3,4,5};
    std::deque<int> d;
    std::copy(v.begin(), v.end(),
              std::front_insert_iterator<std::deque<int>>(d)); // or std::front_inserter(d)
    for(int n : d)
        std::cout << n << ' ';
    std::cout << '\n';
}

Output: 

5 4 3 2 1

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