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: 7558

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: 2235

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: 2947

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: 8239

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: 8794

Compiler Explorer, PVS-Studio, and Terrible Simple Bugs

Do you know that PVS-Studio is integrated into the Compiler Explorer? If not, you should definitely read this guest post from Andrey Karpov including a promo code. 

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Views: 4467

More Lambda Features with C++20

Lambdas in C++20 can be default-constructed and support copy-assignment when they have no state. Lambdas can be used in unevaluated contexts. Additionally, they detect when you implicitly copy the this pointer. This means a significant cause of undefined-behavior with lambdas is gone.

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Tags: lambdas, C++20
Views: 6614

The C++ Standard Library: The Third Edition includes C++20

Just updated: The C++ Standard Library: What every professional C++ programmer should know about the C++ standard library.

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Views: 7653

More Powerful Lambdas with C++20

Thanks to C++20, lambdas become more powerful. From the various lambda improvements, template parameters for lambdas are my favorite ones.

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Views: 9453

Various Template Improvements with C++20

Admittedly, I present in this post a few small improvements to templates and to C++20 in general. Although these improvements may seem not so impressive to you, they make C++20 more consistent and, therefore, less error-prone when you program generic.

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Views: 7409

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