std::chrono::time_point<Clock,Duration>:: operator++, std::chrono::time_point<Clock,Duration>:: operator--

From cppreference.net

Time zone
tzdb (C++20)
tzdb_list (C++20)
get_tzdb get_tzdb_list reload_tzdb remote_version (C++20) (C++20) (C++20) (C++20)
sys_info (C++20)
local_info (C++20)
nonexistent_local_time (C++20)
ambiguous_local_time (C++20)
locate_zone (C++20)
current_zone (C++20)
time_zone (C++20)
choose (C++20)
zoned_traits (C++20)
zoned_time (C++20)
time_zone_link (C++20)
leap_second (C++20)
leap_second_info (C++20)
get_leap_second_info (C++20)
C-style date and time

constexpr time_point & operator ++ ( ) ;	(1)	(自 C++20 起)
constexpr time_point operator ++ ( int ) ;	(2)	(自 C++20 起)
constexpr time_point & operator -- ( ) ;	(3)	(自 C++20 起)
constexpr time_point operator -- ( int ) ;	(4)	(自 C++20 起)

将 * this 所表示的时间点按 duration 的一个刻度进行修改。

如果 d_ 是保存此 time_point 对象持续时间（即自纪元起的时间）的成员变量，

1) 等价于 ++ d_ ; return * this ; 。

2) 等价于 return time_point ( d_ ++ ) 。

3) 等价于 -- d_ ; return * this ; 。

4) 等价于 return time_point ( d_ -- ) ; 。

Compiler support
Freestanding and hosted
Language
Standard library
Standard library headers
Named requirements
Feature test macros (C++20)
Language support library
Concepts library (C++20)
Diagnostics library
Memory management library
Metaprogramming library (C++11)
General utilities library
Containers library
Iterators library
Ranges library (C++20)
Algorithms library
Strings library
Text processing library
Numerics library
Date and time library
Input/output library
Filesystem library (C++17)
Concurrency support library (C++11)
Execution control library (C++26)
Technical specifications
Symbols index
External libraries

Member functions
time_point::time_point
time_point::time_since_epoch
time_point::operator+= time_point::operator-=
time_point::operator++ time_point::operator-- (C++20) (C++20)
time_point::min
time_point::max
Non-member functions
operator+ operator-
operator== operator!= operator< operator<= operator> operator>= operator<=> (until C++20) (C++20)
time_point_cast
floor (C++17)
ceil (C++17)
round (C++17)
Helper classes
common_type
hash <std::chrono::time_point> (C++26)

operator++ operator++ (int) operator-- operator-- (int)	递增或递减滴答计数 ( `std::chrono::duration<Rep,Period>` 的公开成员函数)
operator+= operator-=	通过给定时长修改时间点 (公开成员函数)
operator+ operator- (C++11)	执行涉及时间点的加减运算 (函数模板)

目录