Archive for category: C++20

C++20: Functional Patterns with the Ranges Library

February 17, 2020

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My last post C++20: The Ranges Library, gave you the first impression of the ranges library. Today's…

C++20: The Ranges Library

February 12, 2020

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Thanks to the ranges library in C++20, working with the Standard Template Library (STL) will become much…

TimelineCpp20Concepts

Concepts in C++20: An Evolution or a Revolution?

February 7, 2020

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Let me conclude my series to concepts with this meta-post. Are concepts an evolution or a revolution…

TimelineCpp20Concepts

C++20: Define the Concept Regular and SemiRegular

January 30, 2020

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When you want to define a concrete type that works well in the C++ ecosystem, you should define a type…

TimelineCpp20Concepts

C++20: Define the Concepts Equal and Ordering

January 24, 2020

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In my last post, I defined the concept Equal. Now, I go one step further and use the concept Equal to…

TimelineCpp20Concepts

C++20: Define Concepts

January 17, 2020

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With this post, I start my last fascinating topic to concepts: define your concepts. Consequentially,…

TimelineCpp20Concepts

C++20: Concepts – Predefined Concepts

January 10, 2020

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C++20 has many predefined concepts. Consequentially, before you define your concept, you should know…

TimelineCpp20Concepts

C++20: Concepts – What we don’t get

December 20, 2019

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The Template Introduction from the Concepts TS is a new way to use concepts. This syntactic variant is…

TimelineCpp20Concepts

C++20: Concepts – Syntactic Sugar

December 13, 2019

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Today, my post is not about something new to concepts. It's about syntactic sugar. I write about abbreviated…

TimelineCpp20Concepts

C++20: Concepts, the Placeholder Syntax

December 6, 2019

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Today, I have a simple answer to a challenging question: Where can I use my concept? Concepts can be…

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Time Zones: Online ClassesMay 13, 2024 - 9:39 am
Today, I will continue to present the functionality of the time zones of the C++20 chrono extension. This post is the eight in my detailed journey through the chrono extension in C++20: Various Time Zones for Online Classes The program onlineClass.cpp answers the following question: How late is it in given time zones when I […]
Time Zones: DetailsMay 6, 2024 - 9:22 am
Today, I present the time-zones functionality of the C++20 extension.
C++20: Query Calendar Dates and Ordinal DatesApril 22, 2024 - 9:53 am
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() […]
C++20: Displaying and Checking Calendar DatesApril 15, 2024 - 9:20 am
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. […]
C++20: Creating Calendar DatesApril 8, 2024 - 10:51 am
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 […]
C++20: Time of DayMarch 25, 2024 - 10:08 am
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 […]