Default argument allows us to call function omitting some paramater. When a argument is omitted provided default paramater is used. While rust does not support default argument we can make use of macro to achive similar functionality.
Explore the basic idea of function overloading based on number of arguments in rust. For this purpose we make use of declarative macros to implement a basic overloaded add function.
Rc<T> provides shared ownership of a value of type
T, allocated in the heap. Here we are going to look why we need Rc in Rust and using it to write a very simple example.
Intent Grant access to only selected member function to the friend class. Motivation C++ provide no way to Control the granularity of access to the implement details of class. Friend declaration in gives complete access to the internals of class. Friend decleration follow Nothing-or-Everything proposition. Which is …
Intent To get the address of object of a class that have overloaded ‘&’ operator that do not return real address of object Side Note The idiom presented in this article is no longer needed to be hand written on the compiler that supports at least c++11 standard. More tested std::addressof() in header <memory> …