Advanced Metaprogramming in Classic C++

Preface

Template Metaprogramming (TMP from here on) is a new way of using C++:

• It has a scope: a known set of problems where it proves useful.
• It has a philosophy: a peculiar way of thinking about problems.
• It has a language: idioms and patterns.

This book, according to the 80-20 law, aims to be an introduction to the first 20% of metaprogramming—its philosophy, scope, and language—that can improve 80% of daily programming activities. All the chapters are driven by some simple ideas:

• With modern compilers, most practical benefits come from simple techniques, when correctly applied.
• TMP indeed produces better software. “Better” is simply a placeholder for faster, safer, more maintainable, more expressive, or a combination of these features. ...