Namespace
Varianti

std::bitset::set

Da cppreference.com.
< cpp‎ | utility‎ | bitset

 
 
Utilità libreria
Tipo di supporto (basic types, RTTI, type traits)
Gestione della memoria dinamica
La gestione degli errori
Programma di utilità
Funzioni variadic
Data e ora
Funzione oggetti
initializer_list(C++11)
bitset
hash(C++11)
Gli operatori relazionali
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Coppie e tuple
Original:
Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Swap, in avanti e spostare
Original:
Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
std::bitset
Membri tipi
Original:
Member types
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bitset::reference
Membri funzioni
Original:
Member functions
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bitset::bitset
bitset::operator==
bitset::operator!=
Elemento accesso
Original:
Element access
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bitset::operator[]
bitset::test
bitset::all
bitset::any
bitset::none
(C++11)

 
bitset::count
Capacità
Original:
Capacity
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bitset::size
Modificatori
Original:
Modifiers
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bitset::operator&=
bitset::operator|=
bitset::operator^=
bitset::operator~
bitset::operator<<=
bitset::operator>>=
bitset::operator<<
bitset::operator>>
bitset::set
bitset::reset
bitset::flip
Conversioni
Original:
Conversions
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bitset::to_string
bitset::to_ulong
bitset::to_ullong(C++11)
Non membri funzioni
Original:
Non-member functions
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operator&
operator|
operator^
operator<<
operator>>
Helper classi
Original:
Helper classes
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std::hash(C++11)
 
bitset<N>& set();
(1)
bitset<N>& set( size_t pos, bool value = true );
(2)
Imposta tutti i bit a true o al valore specificato.
Original:
Sets all bits to true or to specified value.
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1)
Imposta tutti i bit a true
Original:
Sets all bits to true
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2)
Consente di impostare il bit in posizione pos al value valore.
Original:
Sets the bit at position pos to the value value.
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Indice

[modifica] Parametri

pos -
la posizione del bit da impostare
Original:
the position of the bit to set
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value -
il valore da impostare il bit
Original:
the value to set the bit to
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[modifica] Valore di ritorno

*this

[modifica] Eccezioni

1)
noexcept specification:  
noexcept
  (dal C++11)
2)
lancia std::out_of_range se pos non corrisponde a una posizione valida all'interno del bitset.
Original:
throws std::out_of_range if pos does not correspond to a valid position within the bitset.
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[modifica] Esempio

#include <iostream>
#include <bitset>
 
int main()
{
    std::bitset<8> b;
    for (size_t i = 1; i < b.size(); i += 2) {
        b.set(i);
    }
    std::cout << b << '\n';
}

Output:

10101010

[modifica] Vedi anche

imposta i bit a false
Original:
sets bits to false
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(membro pubblico funzione) [edit]
alterna i valori di bit
Original:
toggles the values of bits
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(membro pubblico funzione) [edit]