Template metaprogramming can be used to automatically produce the right type. Concepts, tools, and techniques from boost and beyond pdf, epub, docx and torrent then this site is not for you. There have been some articles dealing with template metaprogramming before over here. Technically metaprogramming is code that writes code. Copyright c 20, decorators with args 47 from functools import wraps def debugprefix. This can get quite complex, as the template effectively chooses what code to generate, conditionally. The two newer standards are not used in the code so that the examples can be rich, illustrate the. The output of these templates include compiletime constants, data structures, and complete functions. Concepts, tools, and techniques from boost and beyond david abrahams, aleksey gurtovoy this is basically thorough documentation for the boost mpl. Template metaprogramming is an emerging new direction of generative programming. The purpose of the system is to support the algorithmic construction of programs at compiletime. The mpl is heavily influenced by its runtime equivalent the standard template library stl, a part of.
All readers will leave with a new tool of unprecedented power at their disposalthe boost metaprogramming library. Things like template, which look really weird but behave in an even more bizarre way. The library brings together important abstractions from the generic and functional programming worlds to build a powerful and easytouse toolset which makes template. An introduction to metaprogramming for scientific computing dr conrad sanderson senior research scientist. With help from the excellent boost metaprogramming library, david and aleksey take tmp from the laboratory to the workplace with readable prose and practical examples, showing that compiletime stl is as able as its runtime counterpart. This allows computations to be performed once at compile time rather than at each run time. Pdf c template metaprogramming download full pdf book. Reflection support by means of template metaprogramming pdf.
However, it will be used to generate complete functions. Searching for types in parameter packs which, as its name suggests, describes a library facility for, uh, searching for a type in a parameter pack, among other things. Hossain muhammad muctadir seminar on automation, compilers and codegeneration july 2015 armadillo. Among the application areas of template metaprograms are the expression templates, static interface checking, code optimization with adaption, language embedding and active libraries. 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. The rst article on template metaprogramming 7 was published in 1995. Cd materials are only available with the print edition. It also provides an introduction to the boosttypetraits library. The problems were solved by the traits template idiom see 3. However, before you get visions in your mind of robots writing code to take over the world, understand that its actually much less intense. Boost library documentation template metaprogramming. The book deals with language aspects, design patterns, examples and applications seen as case studies. Metaprogramming with templates yes, the code checks whether the number is a prime number template struct isprime2. Mos 4465a is an advanced financial ac modern advanced accounting in canada, 8th edition, mcgraw.
A complete mpl reference manual, in html and pdf form. Download pdf c template metaprogramming book full free. Like the stl, it defines an open conceptual and implementation framework which can serve as a foundation for future con. The use of templates can be thought of as compiletime polymorphism. A template metaprogramming based linear algebra library. The ability to generate code at compile time allows the programmer to implement such features as polytypic programs, macrolike expansion, user directed optimization such. This is a jump to the typetraits library which is template metaprogramming in a standardised way. Template metaprogramming for haskell microsoft research. C template metaprogramming available for download and read online in other formats. But most of the time, template metaprogramming is used and useful in small, isolated cases, basically to smooth out bumps and exceptional cases, to make a set of types look and behave uniformly, allowing you to use generic programming more efficiently. Metaprogramming or more specifically, template metaprogramming is the practice of using templates to create constants, functions, or data structures at compiletime. The library brings together important abstractions from the generic and functional programming worlds to build a powerful and easytouse toolset which makes template metaprogramming practical.
Techniques for making the mpl work on vc6vc7borlandgcc2. This post starts a series of articles following the contrived and tortuous path down insanity lane. It was introduced to prevent random library header files causing compilation problems. The availability of nontype template parameters makes it possible to perform integer. It can, for the most part, be considered to be programming with types in that, largely, the. Template metaprogramming tmp is a metaprogramming technique in which templates are. We propose a new extension to the purely functional programming language haskell that supports compiletime metaprogramming. A metaprogram is a program that generates or manipulates program code. I have very simple program that uses tmp,it calculates the square of a number, but it doesnt seem to.