std::chrono::duration::operator+(unary), std::chrono::duration::operator-(unary)
From cppreference.com
constexpr duration operator+() const;
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(1) | |
constexpr duration operator-() const;
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(2) | |
Implements unary plus and unary minus for the durations.
If rep_
is a member variable holding the number of ticks in a duration object,
1) Equivalent to return *this;
2) Equivalent to return duration(-rep_);
Contents |
[edit] Parameters
(none)
[edit] Return value
1) a copy of this duration object
2) a copy of this duration object, with the number of ticks negated
[edit] Example
Run this code
#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"; }
Output:
negated 10 seconds are -10 seconds
[edit] See also
increments or decrements the tick count (public member function) |
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implements arithmetic operations with durations as arguments (function template) |