C++C++17Code SnippetLanguage FeatureLearn C++

Tutorial: Easily Learn To Use optional In Modern C++ On Windows

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 foroptionalis the return value of a function that may fail. Any instance ofoptional<T>at any given…
Read more