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What made i = i++ + 1; legal in C++17?

Before you start yelling undefined behaviour, this is explicitly listed in N4659 (C++17) i = i++ + 1; // the value of i ...

June 2, 2022
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C++, Programming

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What is string_view?

string_view was a proposed feature within the C++ Library Fundamentals TS(N3921) added to C++17 As far as i understand it is a type ...

May 29, 2022
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std::lock_guard or std::scoped_lock?

C++17 introduced a new lock class called std::scoped_lock. Judging from the documentation it looks similar to the already existing std::lock_guard class. What’s the ...

May 22, 2022
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How exactly is std::string_view faster than const std::string&?

std::string_view has made it to C++17 and it is widely recommended to use it instead of const std::string&. One of the reasons is ...

May 16, 2022
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What is the purpose of std::launder?

P0137 introduces the function template std::launder and makes many, many changes to the standard in the sections concerning unions, lifetime, and pointers. What ...

May 15, 2022
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enum to string in modern C++11 / C++14 / C++17 and future C++20

Contrary to all other similar questions, this question is about using the new C++ features. 2008 c Is there a simple way to ...

May 4, 2022
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What are Aggregates and PODs and how/why are they special?

This FAQ is about Aggregates and PODs and covers the following material: What are Aggregates? What are PODs (Plain Old Data)? How are ...

April 29, 2022
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What are the new features in C++17?

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. ...

April 16, 2022
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