Tag Archive for: chrono

Posts

C++20: Basic Chrono Terminology

March 4, 2024

To get the most out of the chrono extension in C++20, a basic understanding of the chrono terminology…

The Time Library

March 22, 2023

/

A blog dealing with multithreading in modern C++ but not writing about the new time library is incomplete.…

TimelineCpp20CoreLanguage

Calendar and Time-Zones in C++20: Calendar Dates

November 1, 2020

/

A new type of the chrono extension in C++20 is a calendar date. C++20 offers various ways to create a…

TimelineCpp20CoreLanguage

Calendar and Time-Zones in C++20: Time of Day

October 25, 2020

/

With C++20, the chrono library from C++11 receives essential additions. The most prominent ones are calendar…

TimelineCpp20CoreLanguage

Calendar and Time-Zones in C++20: Time-Zones

October 23, 2020

/

This post concludes my introduction to the chrono extension in C++20. Today I present the time-zones…

TimelineCpp20CoreLanguage

Calendar and Time-Zones in C++20: Handling Calendar Dates

October 18, 2020

/

In my last post, "Calendar and Time Zone in C++20: Calendar Dates", I presented the new calendar-related…

TimelineCpp20Libraries

C++20: The Library

October 28, 2019

/

My last post "C++20: The Core Language" presented the new features of the C++20 core language. Today,…

untilAndForEng

Sleep and Wait

September 26, 2016

/

The new time library is an important component of the threading interface. As well, as threads, locks,…

clockProperties

The Three Clocks

September 22, 2016

/

A clock consists of a starting point and a time tick. C++ offers with std::chrono::system_clock, std::chrono::steady_clock,…

timeSinceEpoch

Time Duration

September 20, 2016

/

Time duration is the difference between two time points. It will be measured in time ticks. Time…

Latest news

C++26 Core Language: Small ImprovementsNovember 4, 2024 - 8:34 am
There are more small improvements in the C++26 language, which you should know. static_assert extension First, here’s the syntax of static_assert in C++11: static_assert(compile time predicate, unevaluated string) With C++26, the string can be a user-defined type having the following properties: static_assert can now be used with a format string. Here’s a nice example from […]
Placeholders and Extended Character SetOctober 28, 2024 - 10:19 am
Placeholders are a nice way to highlight variables that are no longer needed. Additionally, the character set of C++26 will be extended. Placeholders Structured bindings are a C++17 feature that allows you to bind multiple variables to the elements of a structured object. The following program demonstrates using tuples and structured bindings to return and […]
Contracts in C++26October 21, 2024 - 9:54 am
Contracts allow you to specify preconditions, postconditions, and invariants for functions. Contracts should already be part of C++20 but were removed in the standard meeting in Cologne. Here is what Herb Sutter said about contracts on Sutter’s Mill: “contracts is the most impactful feature of C++20 so far, and arguably the most impactful feature we […]
Reflection in C++26: Determine the LayoutOctober 14, 2024 - 9:42 am
Thanks to reflection, you can determine the layout of types. My examples are based on the reflection proposal P2996R5. Class Layout The following program determines the class layout of a few members. // classLayout.cpp #include <experimental/meta> #include <iostream> #include <utility> #include <vector> #include <array> struct member_descriptor { std::size_t offset; std::size_t size; bool operator==(member_descriptor const&) const […]
Reflection in C++26: Metafunctions for Enums and ClassesOctober 7, 2024 - 1:53 pm
Today, I continue my journey through reflection in C++26 and play with enums and classes. The names of the metafunctions to access an Enum or a Class member are often identical. Access the Members of an Enum The following program is based on one by Daveed Vandevoorde. Daveed is one of the fathers of reflection, […]
Reflection in C++26: MetafunctionsSeptember 30, 2024 - 10:14 am
Reflection offers many metafunctions that run at compile time. The metafunctions are declared as consteval. consteval creates a so-called immediate function. Each invocation of an immediate function creates a compile-time constant. To say it more directly. A consteval (immediate) function is executed at compile-time. Read more about consteval and constinit in my previous post: Two […]