Advanced C++ Programming : Type alias, alias template (since C++11) | typedef specifier

Syntax and explanation of features of using keyword of c++ :
Advanced C++ Programming : Type alias, alias template (since C++11) | typedef specifier

Previous Lectures of using keyword with its feature:-

C++ keywords: using features(using-directives for namespaces and using-declarations for namespace members)

C++ keywords: using PART 2 (using-declarations for class members)

C++ keywords: using PART 3 || using-declarations for class members || Data hiding in overloading