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std::insert_iterator

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C++
 
Biblioteca Iterator
Primitive iteratori
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
Adattatori iteratori
Original:
Iterator adaptors
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reverse_iterator
Flusso iteratori
Original:
Stream iterators
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istream_iterator
ostream_iterator
istreambuf_iterator
ostreambuf_iterator
Operazioni di iteratori
Original:
Iterator operations
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advance
distance
prev(C++11)
next(C++11)
Intervallo accesso
Original:
Range access
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begin(C++11)
end(C++11)
 
std::insert_iterator
Membri funzioni
Original:
Member functions
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insert_iterator::insert_iterator
insert_iterator::operator=
insert_iterator::operator*
insert_iterator::operator++
insert_iterator::operator++(int)
 
Defined in header <iterator>
template< class Container >

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

                                              void,void,void,void >
std::insert_iterator è un iteratore uscita che inserisce elementi in un contenitore per cui è stata costruita, nella posizione indicata dal iteratore dotazione, utilizzando il contenitore funzione membro insert() ogniqualvolta l'iteratore (se dereferenced o meno) è assegnato. Incremento del std::insert_iterator è un no-op.
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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Indice

Membri tipi

Membro tipo
Original:
Member type
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 Definition
container_type Container

Membri funzioni

Template:cpp/iterator/inserter/dcl list constructorTemplate:cpp/iterator/inserter/dcl list operator=Template:cpp/iterator/inserter/dcl list operator*
 no-op
(metodo pubblico) [modifica]

Membri oggetti

Persona
Original:
Member name
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 Definition
container (protetto)
un puntatore di tipo Container*
Original:
a pointer of type Container*
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iter (protetto)
un iteratore di Container::iterator tipo
Original:
an iterator of type Container::iterator
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Inherited from std::iterator

Member types

Membro tipo
Original:
Member type
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 Definition
value_type void
difference_type void
pointer void
reference void
iterator_category std::output_iterator_tag

Esempio

#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';
}

Output: 

-1 1 2 3 4 5 -2 -3

Vedi anche

Template:cpp/iterator/dcl list inserterTemplate:cpp/iterator/dcl list back insert iteratorTemplate:cpp/iterator/dcl list front insert iterator
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/iterator/insert_iterator&oldid=17412"