Its strange, exciting and sometimes confusing all at once. The use of templates can be thought of as compiletime polymorphism. This is a function that adds its two parameters and stores the result in the result enum member. This book avoids abstract theory and instead teaches you solid practices youll find useful immediately. Trait classes are a familiar example of a simple form of template metaprogramming. Copyright c 20, decorators with args 47 from functools import wraps def debugprefix. First, we need to start with a little clarification. It seems to me there is more than enough material and demand. Concepts, tools, and techniques from boost and beyond pdf, epub, docx and torrent then this site is not for you. The output of these templates include compiletime constants, data structures, and complete functions. There have been some articles dealing with template metaprogramming before over here. Template metaprogramming is in fact turingcomplete, meaning that any computation expressible by a computer program can be computed, in some form, by a template metaprogram.
The complete guide since it is also the definitive reference for templates in general. The book metaprogramming gpus with sh actually doesnt have anything to do with template metaprogramming. Introduction to metaprogramming in nim 20160606 nim programming introduction to the introduction metaintroduction wikipedia gives us a nice description of metaprogramming metaprogramming is the writing of computer programs with the ability to treat programs as their data. This article describes the workings of tmpp, a technique to easily write compiletime evaluated functions. Template metaprogramming map metainformation metafunctions membre traits traits classes traits templates lists and trees as nested templates computing numbers fibonacci control structures computing types if,switch, while,do,for computing code ewhile,edo, efor expression templates 15. It introduces core concepts in clear, easytofollow language and then it takes you on a deep dive into the tools and techniques youll use to implement them in your. Daixtroselib takes the task of delaying the evaluation and building the expressions, such that users only have to provide the appropriate. Daixtroselib is a ceeplusplus header library that retakes ideas developed by toddveldhuizen and geoffreyfurnish. This book mixes a bit of metaprogramming with other template techniques. The rst article on template metaprogramming 7 was published in 1995. Youll explore plenty of realworld examples that reinforce key concepts.
Contribute to akimboykometaprogramming development by creating an account on github. The word in the title refers to runtime metaprogramming, as opposed to compile time metaprogramming. A metaprogram is a program that generates or manipulates program code. It introduces core concepts like code generation and application composition in clear, easytofollow language, and then it takes you on a deep dive. However, it will be used to generate complete functions. Everything you need to know about finance and investing in under an hour big think duration.
The complete guide by david vandevoorder and nicolai m. The if template was the rst control structure in a generic form 3 and the remaining control structures were published in 4. This book explains what metaprogramming is and how it is best used. Even while its fairly obvious that the executable will print something, its still great. Net is designed to help readers understand the basic concepts, advantages and potential pitfalls of metaprogramming. The book deals with language aspects, design patterns, examples and applications seen as case studies. A conditional branch can be constructed by writing two alternative specialisations of a template class. Or is it just an idea book for an obfuscated c contestant. Things like template, which look really weird but behave in an even more bizarre way. More than 40 million people use github to discover, fork, and contribute to over 100 million projects. With template metaprogramming, you manipulate types, not objects.
Concepts, tools, and techniques from boost and beyond with cd 05 edition 9780321227256 by david abrahams and aleksey gurtovoy for up to 90% off at. Dissecting template metaprogramming in the standard library. Template metaprogramming is both a curiosity and a powerful optimisation method. Those that are too broken to use effectively for template metaprogramming.
If you create the type sqr, the constant sqr ret is set to 100. Everyday low prices and free delivery on eligible orders. Introduction to metaprogramming in nim hookrace blog. Concepts, tools, and techniques from boost and beyond by david abrahams and aleksey gurtovoy. With the help of this library the expressiontemplate technique now is available for everyone.
This post starts a series of articles following the contrived and tortuous path down insanity lane. I initially approached this book with a bit of caution, as i had found other popular books i read previously. You can call this at compile time with something like adder result, which will be expanded at compile time and act exactly like a literal 3 in your program branching. With variadic templates, parameter packs and template aliases. Of course, a type cannot be modified, so it has to be right the first time. Template metaprogramming is generally not used in practical programs, it. Net is a practical introduction to the use of metaprogramming to improve the performance and maintainability of your code. I was motivated to write this after i read eric nieblers thoughtprovoking tiny metaprogramming library article. Template metaprogramming tmp is a metaprogramming technique in which templates are used by a compiler to generate temporary source code, which is merged by the compiler with the rest of the source code and then compiled. In theory, any computable problem can be solved at compile time without ever executing compiled code.