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std::chrono::duration::operator++, std::chrono::duration::operator--

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< cpp‎ | chrono‎ | duration

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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)
 
Data e ora utilità
 
std::chrono::duration
Membri funzioni
Original:
Member functions
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duration::duration
duration::operator=
duration::count
duration::zero
duration::min
duration::max
duration::operator+
duration::operator-
duration::operator++
duration::operator--
duration::operator+=
duration::operator-=
duration::operator*=
duration::operator/=
duration::operator%=
Non membri funzioni
Original:
Non-member functions
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common_type
operator+
operator-
operator*
operator/
operator%
operator==
operator!=
operator<
operator<=
operator>
operator>=
duration_cast
Helper classi
Original:
Helper classes
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treat_as_floating_point
duration_values
 
duration& operator++();
 (1)
duration operator++(int);
 (2)
duration& operator--();
 (3)
duration operator--(int);
 (4)
Incrementa o decrementa il numero di zecche per tutta la durata.
Original:
Increments or decrements the number of ticks for this duration.
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Se rep_ è una variabile membro nell'azienda il numero di zecche in un oggetto durata
Original:
If rep_ is a member variable holding the number of ticks in a duration object,
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1)
Equivalente a ++rep_; return *this;
Original:
Equivalent to ++rep_; return *this;
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2)
Equivalente a return duration(rep_++)
Original:
Equivalent to return duration(rep_++)
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3)
Equivalente a --rep_; return *this;
Original:
Equivalent to --rep_; return *this;
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4)
Equivalente a return duration(rep_--);
Original:
Equivalent to return duration(rep_--);
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Indice

[modifica] Parametri

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

@ @ 1,3 un riferimento a tale durata dopo la modifica
Original:
@1,3@ a reference to this duration after modification
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@ @ 2,4 copia della durata fatta prima modifica
Original:
@2,4@ a copy of the duration made before modification
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[modifica] Esempio

#include <chrono>
#include <iostream>
 
int main()
{
    std::chrono::hours h(1);
    std::chrono::minutes m = ++h;
    m--;
    std::cout << m.count() << " minutes\n";
}

Output: 

119 minutes

[modifica] Vedi anche
implementa assegnazione composta tra due durate
Original:
implements compound assignment between two durations
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(metodo pubblico) [modifica]
implementa operazioni aritmetiche con durate come argomenti
Original:
implements arithmetic operations with durations as arguments
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(funzione di modello) [modifica]
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