An Introduction to Variadic Templates

A variadic template is a template with a variable number of arguments. This is a feature that was introduced in C++11. It combines generic code with functions having variable numbers of arguments, a feature that was inherited from the C language. Although the syntax and some details could be seen as cumbersome, variadic templates help us write function templates with a variable number of arguments or class templates with a variable number of data members in a way that was not possible before with compile-time evaluation and type safety.

Overview of variadic templates

In this section, we’ll learn about the following topics: