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Author Archive for: admin
Entries by Rainer Grimm
From Variadic Templates to Fold Expressions
In my last two posts, “Variadic Templates or the Power of Three Dots” and “More about Variadic Templates“, I introduced variadic templates. This post goes one step further in the future, and presents fold expressions that can directly reduce a parameter pack with a binary operator.
C++20 Modules: Private Module Fragment and Header Units
In the last weeks, I learned something new about modules in C++20: private modules fragments and header units. Consequently, I make a short detour in this post and present these new features.
The First Big Update of My C++20 Book
I’m happy to announce the first big update of my C++20 book. The update was mainly due to the improved C++ compiler support of C++20. The update includes concepts, the ranges library, modules, the three-way comparison operator, the format library, and the chrono library.
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More about Variadic Templates …
There is a lot of power in the strange-looking three dots that are heavily used in the Standard Template Library. Today, I visualize the expansion of the three dots and show a few use cases.
Variadic Templates or the Power of Three Dots
A variadic template is a template that can have an arbitrary number of template parameters. If you see it for the first time, this feature may seem magical to you. So, let me demystify variadic templates.
Template Instantiation
Template instantiation is creating a concrete function or a concrete class out of a function or class template. Creating template instantiation can be implicit (compiler-generated) or explicit (user-provided).
And the Winners for the Five Vouchers for Stephan’s Book “Clean C++20” are
I’m happy to present the five winners in this post including their answers.
Performance of the Parallel STL Algorithms
In my last post, “Parallel Algorithms of the STL with the GCC Compiler“, I presented the necessary theory about the C++17 algorithm. Today, I made a performance test using the Microsoft and GCC compiler to answer the simple question: Does the execution policy pay off?