The extended chrono library makes it relatively easy to ask for the time duration between calendar dates. This post is the sixth in my detailed journey through the chrono extension in C++20: Query Calendar Dates Without further ado, the following program queryCalendarDates.cpp queries a few calendar dates. // queryCalendarDates.cpp #include <chrono> #include <iostream> int main() […]
I created calendar dates in my last post, “C++20: Creating Calendar Dates,” and I will display and check them today. This post is the fifth in my detailed journey through the chrono extension in C++20: Displaying Calendar Dates Thanks to std::chrono::local_days or std::chrono::sys_days, you can convert calendar dates to a local or a system std::chrono::time_point. […]
In this post, I will dive deeper into calendar dates and create them. If this post is too overwhelming for you, read my previous ones: C++20 supports constants and literals to make using calendar-date types more convenient. Constants and Literals for Calendar Types Let me start with the constants for std::chrono::weekday, and std::chrono::month. std::chrono::Monday std::chrono::Thuesday […]
I’m happy to announce the second money-raising campaign for ALS research. This time, I’m proud to say that Andreas Fertig, Bartłomiej Filipek, Jason Turner, and Dmitry Vostokov will participate. My ALS Journey so far C++ Classes and Mentoring In the last three weeks, I have given three online classes. Additionally, each Friday, there is my […]
This new data type std::chrono::hh_mm_ss in C++20 stands for the time of day. Time of Day std::chrono::hh_mm_ss is the duration since midnight split into hours, minutes, seconds, and fractional seconds. This type is typically used as a formatting tool. First, the following table gives you a concise overview of std::chrono::hh_mm_ss instance tOfDay. Depending on the […]
Today, I continue my journey through the basic types with time durations and time points. Time Durations C++14 introduced helper types such as std::chrono::seconds for time durations and corresponding time literals such as 5s. C++20 added new helper types. The following table shows all for completeness. Often the time duration std::chrono::days and the calendar date […]
My next mentoring program, “Concurrency with Modern C++”, starts on the 15th of March. Registration is open.
To get the most out of the chrono extension in C++20, a basic understanding of the chrono terminology is essential. Basic Chrono Terminology Essentially, the time-zone functionality (C++20) is based on the calendar functionality (C++20) and the calendar functionality (C++20), which are based on the chrono functionality (C++11). Consequently, this basic chrono terminology starts with […]
Today, I write about my journey in chronological order. Visit from Jens On Wednesday, the 14th, my good friend Jens Weller (Meeting C++) visited me. Honestly, I was in bad condition. Due to lack of air, I could hardly speak. Additionally, I was exhausted and tired, almost delirious. Two days later, I went to the […]
Implementing a formatter for a user-defined type having more than one value in C++20 is challenging. This post is the 5th post in my miniseries about formatting in C++20. Read the previous ones here: A Formatter for More Values Point is a class with three members. // formatPoint.cpp #include <format> #include <iostream> #include <string> struct […]