How to enable C++17 compiling in Visual Studio?
I want to use C++17 features. How can I switch compiling from C++14 to C++17 in Microsoft Visual Studio? Or it’s not avaiable … Read more
c++17
Does C++11, 14, 17 or 20 introduce a standard constant for pi?
There is a rather silly problem with the number pi in C and C++. As far as I know M_PI defined in math.h … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
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. … Read more
