Cpp

https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines

https://docs.microsoft.com/ru-ru/cpp/cpp/initializing-classes-and-structs-without-constructors-cpp?view=msvc-160

https://isocpp.org/wiki/faq/ctors

https://google.github.io/styleguide/cppguide.html

https://en.cppreference.com/w/cpp/language/operator_other