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std::list::remove, std::list::remove_if

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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 remove( const T& value );
template< class UnaryPredicate >
void remove_if( UnaryPredicate p );
Rimuove tutti gli elementi che soddisfano criteri specifici. La prima versione rimuove tutti gli elementi che sono uguali a value, la seconda versione rimuove tutti gli elementi per i quali predicato p ritorna true.
Original:
Removes all elements satisfying specific criteria. The first version removes all elements that are equal to value, the second version removes all elements for which predicate p returns true.
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Indice

[modifica] Parametri

value -
valore degli elementi da rimuovere
Original:
value of the elements to remove
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p - unary predicate which returns ​true
se l'elemento deve essere rimosso
Original:
if the element should be removed
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.

The signature of the predicate function should be equivalent to the following:

 bool pred(const Type &a);

The signature does not need to have const &, but the function must not modify the objects passed to it.
The type Type must be such that an object of type list<T,Allocator>::const_iterator can be dereferenced and then implicitly converted to Type. ​

[modifica] Valore di ritorno

(Nessuno)
Original:
(none)
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[modifica] Complessità

lineare nella dimensione del contenitore
Original:
linear in the size of the container
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[modifica] Esempio

#include <list>
#include <iostream>
 
int main()
{
    std::list<int> l = { 1,100,2,3,10,1,11,-1,12 };
 
    l.remove(1); // remove both elements equal to 1
    l.remove_if([](int n){ return n > 10; }); // remove all elements greater than 10
 
    for (int n : l) {
        std::cout << n << ' '; 
    }
    std::cout << '\n';
}

Output: 

2 3 10 -1

[modifica] Vedi anche
rimuove gli elementi che soddisfano criteri specifici
Original:
removes elements satisfying specific criteria
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(funzione di modello) [modifica]
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/container/list/remove&oldid=25218"