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std::chrono::steady_clock

STD：：时间：：稳定[医]钟

Defined in header ​​
class steady_clock;​(since C++11)

类std::chrono::steady_clock表示单调的时钟。这个时钟的时间点不能随着物理时间的推移而减少。此时钟与挂钟时间%28无关--例如，它可以是自上次重新启动%29以来的时间，并且最适合测量间隔时间。

std::chrono::steady_clock满足…的要求TrivialClock...

成员类型

Member typeDefinition
reparithmetic type representing the number of ticks in the clock's duration
perioda std::ratio type representing the tick period of the clock, in seconds
durationstd::chrono::duration<rep, period>
time_pointstd::chrono::time_point<std::chrono::steady_clock>

成员常数

constexpr bool is_steady staticsteady clock flag, always true (public static member constant)

成员函数

now staticreturns a time_point representing the current value of the clock (public static member function)

另见

system_clock (C++11)wall clock time from the system-wide realtime clock (class)
high_resolution_clock (C++11)the clock with the shortest tick period available (class)

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