Namespace
Varianti

std::list::erase

Da cppreference.com.
< cpp‎ | container‎ | list

 
 
 
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
 
iterator erase( iterator pos );
iterator erase( const_iterator pos );
(1) (C fino + 11)
(dal C++11)
iterator erase( iterator first, iterator last );
iterator erase( const_iterator first, const_iterator last );
(2) (C fino + 11)
(dal C++11)
Rimuove gli elementi specificati dal contenitore.
Original:
Removes specified elements from the container.
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1)
Rimuove l'elemento in pos.
Original:
Removes the element at pos.
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2)
Rimuove gli elementi della gamma [first; last).
Original:
Removes the elements in the range [first; last).
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References and iterators to the erased elements are invalidated. Other references and iterators are not affected.

Indice

[modifica] Parametri

pos -
iteratore all'elemento da rimuovere
Original:
iterator to the element to remove
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first, last -
intervallo di elementi da rimuovere
Original:
range of elements to remove
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[modifica] Valore di ritorno

iteratore dopo l'ultimo elemento rimosso.
Original:
iterator following the last removed element.
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[modifica] Esempio

#include <list>
#include <iostream>
#include <iterator>
 
int main( )
{
    std::list<int> c{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
    for (auto &i : c) {
        std::cout << i << " ";
    }
    std::cout << '\n';
 
    c.erase(c.begin());
 
    for (auto &i : c) {
        std::cout << i << " ";
    }
    std::cout << '\n';
 
    std::list<int>::iterator range_begin = c.begin();
    std::list<int>::iterator range_end = c.begin();
    std::advance(range_begin,2);
    std::advance(range_end,5);
 
    c.erase(range_begin, range_end);
 
    for (auto &i : c) {
        std::cout << i << " ";
    }
    std::cout << '\n';
}

Output:

0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9
1 2 6 7 8 9

[modifica] Complessità

1) Constant.

2) linear in the distance between first and last.

[modifica] Vedi anche

cancella il contenuto
Original:
clears the contents
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(membro pubblico funzione) [edit]