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std::bitset::to_ulong

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< cpp‎ | utility‎ | bitset

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C++
 
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
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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
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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
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Non-member functions
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operator&
operator|
operator^
operator<<
operator>>
Helper classi
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Helper classes
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std::hash(C++11)
 
unsigned long to_ulong() const
Converte il contenuto del bitset in un numero intero unsigned long.
Original:
Converts the contents of the bitset to an unsigned long integer.
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Il primo bit del bitset corrisponde alla cifra meno significativa del numero e l'ultimo bit corrisponde alla cifra più significativa.
Original:
The first bit of the bitset corresponds to the least significant digit of the number and the last bit corresponds to the most significant digit.
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Indice

[modifica] Parametri

(Nessuno)
Original:
(none)
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[modifica] Valore di ritorno

l'intero convertito
Original:
the converted integer
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[modifica] Eccezioni

lancia std::overflow_error se il valore non può essere rappresentato in unsigned long.
Original:
throws std::overflow_error if the value can not be represented in unsigned long.
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[modifica] Esempio

#include <iostream>
#include <bitset>
 
int main()
{
    for (unsigned long i = 0; i < 10; ++i) {
        std::bitset<5> b(i);
        std::bitset<5> b_inverted = ~b;
        std::cout << i << '\t';
        std::cout << b << '\t';
        std::cout << b_inverted << '\t';
        std::cout << b_inverted.to_ulong() << '\n'; 
    }
}

Output: 

0	00000	11111	31
1	00001	11110	30
2	00010	11101	29
3	00011	11100	28
4	00100	11011	27
5	00101	11010	26
6	00110	11001	25
7	00111	11000	24
8	01000	10111	23
9	01001	10110	22

[modifica] Vedi anche
restituisce una rappresentazione in forma di stringa dei dati
Original:
returns a string representation of the data
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(metodo pubblico) [modifica]
(C++11)
restituisce una rappresentazione intera unsigned long long dei dati
Original:
returns an unsigned long long integer representation of the data
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(metodo pubblico) [modifica]
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