August 2022
Beginner to intermediate
480 pages
8h 21m
English
Content preview from Template Metaprogramming with C++
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Chapter 3: 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 with 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.
In this chapter, we will learn about the following topics:
- Understanding the need for variadic templates
- Variadic function templates
- Parameter packs
- Variadic class templates
- Fold ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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