(C++) template variadic function
https://en.wikipedia.org/wiki/Variadic_function#In_C++ Variadic function - Wikipedia "Varargs" redirects here. For the varargs.h library in C, see varargs.h. In mathematics and in computer programming, a variadic function is a function of indefinite arity, i.e., one which accepts a variable number of arguments. Support for variadic functio en.wikipedia.org