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What do you do when the code for a variable initialization is complicated? Do you move it to another method or write inside the current scope?
In this blog post, I’d like to present a trick that allows computing a value for a variable, even a const variable, with a compact notation.
Updated in Jan 2026: improved code, added C++26 section, added [&] section, ...This article collects small, self-contained, and practical examples for working with std::chrono calendar types.
The previous blog post - see Exploring C++20 std::chrono - Calendar Types - C++ Stories - focused on the building blocks: calendar types, operato...
Before C++20, <chrono> gave us a solid foundation for working with clocks, durations, and time points - but it didn’t really know anything about the civil calendar. If you needed to represent “March 15”, check whether a date is valid, compute “the third Monday of November”, or add a few months to a date, you had to rely on custom utilities, std::tm, or external librarie...