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: 3201

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: 3631

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: 1312

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: 2232

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: 6035

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: 6916

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: 3476

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: 4824

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: 5695

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: 6113

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