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std::chrono::time_point::max

STD：：时间：：时间[医]要点：最大

static constexpr time_point max(​​

返回time_point尽可能长的时间，即std::chrono::time_point(std::chrono::duration::max())...

参数

%280%29

返回值

最大可能time_point...

例

二次

#include <chrono>
#include <vector>
#include <iostream>
 
int main() 
{
    std::chrono::time_point<std::chrono::system_clock> now =
        std::chrono::system_clock::now(
    std::vector<std::chrono::time_point<std::chrono::system_clock>> times {
        now - std::chrono::hours(24),
        now - std::chrono::hours(48),
        now + std::chrono::hours(24),
    };  
 
    std::chrono::time_point<std::chrono::system_clock> earliest =
        std::chrono::time_point<std::chrono::system_clock>::max(
 
    std::cout << "all times:\n";
    for (const auto &time : times) {
        std::time_t t = std::chrono::system_clock::to_time_t(time
        std::cout << std::ctime(&t
 
        if (time < earliest) earliest = time;
    }
 
    std::time_t t = std::chrono::system_clock::to_time_t(earliest
    std::cout << "earliest:\n" << std::ctime(&t
}

二次

可能的产出：

二次

all times:
Sun Oct  7 19:06:48 2012
Sat Oct  6 19:06:48 2012
Tue Oct  9 19:06:48 2012
earliest:
Sat Oct  6 19:06:48 2012

二次

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