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std::chrono::ceil(std::chrono::time_point)

Std：：Time：：Ceil%28std：：Time：：Time[医]点%29

Defined in header ​​
template <class ToDuration, class Clock, class Duration> constexpr time_point<Clock, ToDuration> ceil(const time_point<Clock, Duration>& tp​(since C++17)

返回最小时间点。t可在ToDuration大于等于tp...

该函数不参与重载解析，除非ToDuration是std::chrono::duration...

参数

tp-time point to convert

返回值

d使用类型的持续时间舍入到下一个时间点。ToDuration...

可能的实施

模板<class T>结构是[医]持续时间：STD：：false[医]类型{}；模板<类Rep，类周期>结构是[医]持续时间<std：：time：：time<rep，time>>：std：：true[医]类型{}；模板<class到，类时钟，类FromDuration，class=std：：Enable[医]如果[医]T<IS[医]持续时间<To>{}>>std：：time：：time[医]点<Clock，to>ceil%28 const std：：chrono：：time[医]点<时钟，倒转>&tp%29{返回std：：chrono：：time[医]点<Clock，to>{std：：chrono：：ceil<To>%28 tp.time[医]自[医]EIRCH%28%29%29}；}

*。

例

另见

time_point_castconverts a time point to another time point on the same clock, with a different duration (function template)
floor(std::chrono::time_point) (C++17)converts a time_point to another, rounding down (function template)
round(std::chrono::time_point) (C++17)converts a time_point to another, rounding to nearest, ties to even (function template)
ceil(std::chrono::duration) (C++17)converts a duration to another, rounding up (function template)
ceilnearest integer not less than the given value (function)

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