std::chrono::duration::operator+(unary), std::chrono::duration::operator-(unary)
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| constexpr duration operator+() const; |
(1) | |
| constexpr duration operator-() const; |
(2) | |
Implementa menos unário unário mais e para as durações.
Original:
Implements unary plus and unary minus for the durations.
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Se
rep_ é uma variável que exerce o número de carrapatos em um objeto de duração Original:
If
rep_ is a member variable holding the number of ticks in a duration object, The text has been machine-translated via Google Translate.
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1)
Equivalente a return *this;
Original:
Equivalent to return *this;
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2)
Equivalente a return duration(-rep_);
Original:
Equivalent to return duration(-rep_);
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Índice |
[editar] Parâmetros
(Nenhum)
Original:
(none)
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[editar] Valor de retorno
1)
uma cópia deste objeto de duração
Original:
a copy of this duration object
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2)
uma cópia do objecto duração, com o número de tiques negados
Original:
a copy of this duration object, with the number of ticks negated
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[editar] Exemplo
#include <chrono> #include <iostream> int main() { std::chrono::seconds s1(10); std::chrono::seconds s2 = -s1; std::cout << "negated 10 seconds are " << s2.count() << " seconds\n"; }
Saída:
negated 10 seconds are -10 seconds
[editar] Veja também
| aumenta ou diminui a contagem em escala Original: increments or decrements the tick count The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
| implementa operações aritméticas com durações como argumentos Original: implements arithmetic operations with durations as arguments The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (modelo de função) | |
