Tutorial by Examples

A std::tuple<T...> can be used to pass multiple values around. For example, it could be used to store a sequence of parameters into some form of a queue. When processing such a tuple its elements need to be turned into function call arguments: #include <array> #include <iostream>...

std::integer_sequence itself is about holding a sequence of integers which can be turned into a parameter pack. Its primary value is the possibility to create "factory" class templates creating these sequences: #include <iostream> #include <initializer_list> #include <uti...

Expanding the parameter pack of indices in a comma expression with a value creates a copy of the value for each of the indices. Sadly, gcc and clang think the index has no effect and warn about it (gcc can be silenced by casting the index to void): #include <algorithm> #include <array>...