More and More Utilities in C++20

Today, I present a few utilities for calculating the midpoint of two values, check if a std::string starts or ends with a substring, and create callables with std::bind_front. These little utilities may not seem so little when you need them.

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Views: 3465

C++20: Extend std::format for User-Defined Types

Peter Gottschling presented in his last post "std::format in C++20" the basics to the new formatting library in C++20. In today's post Peter writes about the formatting of user-defined types.

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Views: 7456

std::format in C++20

Today, I'm happy to present Peter Gottschling's guest post to the new formatting library in C++20: std::format.  Thanks to std::format, text formatting becomes in C++20 as easy as in Python.

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Views: 37505

More Convenience Functions for Containers with C++20

Removing elements from a container or asking if an associative container has a specific key, is too complicated. I should say was because with C++20 the story changes.

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Views: 19690

constexpr std::vector and std::string in C++20

Probably the most viral keyword in modern C++ is constexpr. With C++20, we have a constexpr std::vector and a constexpr std::string. Additionally, both containers can be manipulated with the constexpr algorithms of the Standard Template Library. 

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Views: 6710

std::span in C++20: Bounds-Safe Views for Sequences of Objects

In my seminar, I often hear the question: How can I safely pass a plain array to a function? With C++20, the answer is quite easy: Use a std::span.

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Views: 5483

And the Winners are:

Last week,  I launched a quiz. The price was it to win one of the five vouchers for the book "Modern C++ for Absolute Beginners" from Slobodan Dmitrović.

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Views: 1849

Five Vouchers to win for the book "Modern C++ for Absolute Beginners"

Is it possible to introduce C++ in 300 pages? Yes, it is. The book "Modern C++ for Absolute Beginners" from Slobodan Dmitrović proves it.

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Views: 2613

volatile and Other Small Improvements in C++20

Today, I complete my tour through the C++20 core language features with a few small improvements. One interesting of these minor improvements is that most of volatile has been deprecated.

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Views: 7104

New Attributes with C++20

With C++20, we got new and improved attributes such as [[nodiscard("reason")]], [[likely]], [[unlikely]], and [[no_unique_address]]. In particular, [[nodiscard("reason")]] allows it to express the intention of your interface way clearer.

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Views: 7782

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