Namespace
Varianti

std::list::assign

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< cpp‎ | container‎ | list

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C++
 
Contenitori libreria
 
std::list
Membri funzioni
Original:
Member functions
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list::list
list::~list
list::operator=
list::assign
list::get_allocator
Elemento accesso
Original:
Element access
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list::front
list::back
Iteratori
Original:
Iterators
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list::begin
list::cbegin
(C++11)
list::end
list::cend
(C++11)
list::rbegin
list::crbegin
(C++11)
list::rend
list::crend
(C++11)
Capacità
Original:
Capacity
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list::empty
list::size
list::max_size
Modificatori
Original:
Modifiers
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list::clear
list::insert
list::emplace(C++11)
list::erase
list::push_front
list::emplace_front(C++11)
list::pop_front
list::push_back
list::emplace_back(C++11)
list::pop_back
list::resize
list::swap
Operazioni
Original:
Operations
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list::merge
list::splice
list::remove
list::remove_if
list::reverse
list::unique
list::sort
 
void assign( size_type count, const T& value );
 (1)
template< class InputIt >
void assign( InputIt first, InputIt last );
 (2)
Sostituisce il contenuto del contenitore.
Original:
Replaces the contents of the container.
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1)
sostituisce il contenuto con le copie di count value valore
Original:
replaces the contents with count copies of value value
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2)
sostituisce il contenuto con le copie di quelli del [first, last) gamma
Original:
replaces the contents with copies of those in the range [first, last)
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Indice

[modifica] Parametri

count -
la nuova dimensione del contenitore
Original:
the new size of the container
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value -
il valore per inizializzare elementi del contenitore
Original:
the value to initialize elements of the container with
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first, last -
l'intervallo per copiare gli elementi da
Original:
the range to copy the elements from
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Type requirements
-
InputIt must meet the requirements of InputIterator.

[modifica] Complessità

1)
lineare in count
Original:
linear in count
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2)
lineare di distanza tra first e last
Original:
linear in distance between first and last
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[modifica] Esempio

Il codice seguente utilizza assign per aggiungere diversi personaggi a un std::list<char>:
Original:
The following code uses assign to add several characters to a std::list<char>:
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#include <list>
#include <iostream>
 
int main()
{
    std::list<char> characters;
 
    characters.assign(5, 'a');
 
    for (char c : characters) {
        std::cout << c << '\n';
    } 
 
    return 0;
}

Output: 

a
a
a
a
a

[modifica] Vedi anche

 costruisce il list
(metodo pubblico) [modifica]
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/container/list/assign&oldid=25196"