Namespace
Varianti

std::vector::assign

Da cppreference.com.
< cpp‎ | container‎ | vector

 
 
 
std::vector
Membri funzioni
Original:
Member functions
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vector::vector
vector::~vector
vector::operator=
vector::assign
vector::get_allocator
Elemento accesso
Original:
Element access
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vector::at
vector::operator[]
vector::front
vector::back
vector::data(C++11)
Iteratori
Original:
Iterators
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vector::begin
vector::cbegin

(C++11)
vector::end
vector::cend

(C++11)
vector::rbegin
vector::crbegin

(C++11)
vector::rend
vector::crend

(C++11)
Capacità
Original:
Capacity
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vector::empty
vector::size
vector::max_size
vector::reserve
vector::capacity
vector::shrink_to_fit(C++11)
Modificatori
Original:
Modifiers
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vector::clear
vector::insert
vector::emplace(C++11)
vector::erase
vector::push_back
vector::emplace_back(C++11)
vector::pop_back
vector::resize
vector::swap
 
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::vector<char>:
Original:
The following code uses assign to add several characters to a std::vector<char>:
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#include <vector>
#include <iostream>
 
int main()
{
    std::vector<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 vector
Original:
constructs the vector
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(membro pubblico funzione) [edit]