C++ templates

- [Narrator] Template Metaprogramming or TMP…is a form of C++ programming.…TMP is a Turing complete, functional programming language…built-in to C++.…TMP variables are always immutable.…TMP doesn't have loops, so we must use recursion.…TMP doesn't have branching, so we use specialization.…Let's explore template metaprogramming…with a couple of code examples.…We have our include files,…which are just iostream and vector…and we're using the namespace std.…So, let's first create an example function,…which demonstrates how to do the same thing…using generic programming.…

So, we're going to say template, which is a keyword here.…And we're going to say type name T.…Then, we're going to use our type…and we're going to say our generic type…and we're going to say T as the return results.…We're going to do a cube function,…which is just going to multiply the past value by three.…And we're going to say const T reference value.…

Value is a primer we're passing in.…And we're going to say return…value times value times value.…