The C++17 standard came with a lot of great features and std::optional was one of the main features of today’s modern C++. std::optional<T> is a class template that is defined in the <optional> header and represents either a T value or no value. In this post, we explain, what is optional in modern C++ and how we can use it efficiently.
What is the optional class template in C++ 17…
Optional definition (std::optional) manages anoptionalcontained value, i.e. a value that may or may not be present. This class templatecomes with C++17 standard, it is used with CLANG and other C++ compilers which has this standard. A common use case…
