The standard uses of C++ templates are: Headers and namespaces The C++ standard has enveloped all of its standard library classes and functions inside a namespace named std. All the examples below ...

It is because the C++ kernel uses pre-processing to add the I/O for user interactive, which means it can only process on the pre-compile .cpp file on each cell, not headers. Using namespace for your ...

Book Review: C++ Templates: The Complete Guide by David Vandevoorde and Nicolai M. Josuttis Boston, Pearson Education, Inc., 2003 ISBN: 0-201-73484-2 $54.99 US (hardcover) This book is a user's manual ...

Much more is possible. Inspired by older blog posts, I have developed an entire imperative language for C++ metaprogramming, implemented as a header-only library for the C++20 standard. The language ...

Basically once you've put a using namespace std; in your header, and someone has included your header, there's no way to undo the using. This can reduce your options when a name conflict occurs.

A policy class, as described and made popular by Andrei Alexandrescu's Modern C++ Design (see Resources), “defines a class interface or a class template interface. The interface consists of one or all ...