Practical c++ metaprogramming pdf

When you want to serialize an object, there are a lot of things youalready know at compile timeand remember, everything you do at compile time doesnt need to be done any more at runtime. The book deals with language aspects, design patterns, examples and applications seen as case studies. Metaprogramming in c is the art of creating new language constructs, typically using macros. With that in mind were going to follow that pattern in this guide. Recently, however, ive faced a problem that could not be solved by the means outlined in the article. Pdf c template metaprogramming download full pdf book. What are the coolest examples of metaprogramming that youve. Template metaprogramming is generally not used in practical programs, it is an interesting conecpt though. Programming and metaprogramming in the human biocomputer. It features more extensive examples and an introduction to graphical. Copyright c 20, decorators with args 47 from functools import wraps def debugprefix. Concepts, tools, and techniques from boost and beyond pdf, epub, docx and torrent then this site is not for you. In it, he discusses his invention of float tanks, early communication with dolphins, and investigations into the use of lsd for personal and cultural development. Practical c programming, 3rd edition by steve oualline 3rd edition august 1997 isbn.

I chose ruby because it has a flexible metaprogramming interface. A metaprogram is a program that generates or manipulates program code. This allows computations to be performed once at compile time rather than at each run time. Metaprogramming ruby 2 program like the ruby pros ruby inherits characteristics from various languageslisp, smalltalk, c, and perl, to name a few. None of us can escape our own nature as programmable entities. Some more complex parts of the code can be seen in fixp. Metaprogramming is a programming technique in which computer programs have the ability to treat other programs as their data. Metaprogramming applied to numerical problems mario mulansky and karsten ahnert department of physics and astronomy, university of potsdam metaprogramming is a programming technique where a computer program is written that writes or manipulates another program or itself that then solves a given task. Aug 02, 2016 work through a list of examples of metaprogramming, including a practical approach to build code that writes code using the ruby programming language. Programming and metaprogramming in the human biocomputer was written by dr. As most simple and instructive example serves the calculation of the factorial of a number at compile time 7. And yet, c template metaprogramming is ideal for performing automatic compiletime optimization. Mos 4465a is an advanced financial ac modern advanced accounting in canada, 8th edition, mcgraw. It means that a program can be designed to read, generate, analyze or transform other programs, and even modify itself while running.

With this exampledriven ebook, youll learn how improved. An introduction to metaprogramming for scientific computing dr conrad sanderson senior research scientist version 1. 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. Not of practical usage except maybe for compiler testing, but metatrace is a whittedstyle i. Work through a list of examples of metaprogramming, including a practical approach to build code that writes code using the ruby programming language. Great introduction to c metaprogramming by simon tatham can be found here. I assume he was trying to show off the metaprogramming. There is a very good section on lambda expressions, though ive not had the chance to use them yet. Literally, each of us may be our programs, nothing more, nothing less. 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. That means much faster serialization and more efficient memory usage. Lilly about his research conducted at the national institute of mental health. The output of these templates include compiletime constants, data structures, and complete functions. Programming and metaprogramming in the human biocomputer all human beings, all persons who reach adulthood in the world today are programmed biocomputers.

Julia focuses on speed and user productivity, due in part to its metaprogramming capability. The type of int, double, float is an unnamed class type local to main, called the closure type. However, before you get visions in your mind of robots writing code to take over the world, understand that its actually much less intense. All of the examples that were going to go through will be in the ruby language. Technically metaprogramming is code that writes code. Nowadays, template metaprogramming has found many applications, the. Metaprogramming or more specifically, template metaprogramming is the practice of using templates to create constants, functions, or data structures at compiletime. Therefore, the specialisation for function types doesnt apply, and the primary template is selected. My objective is to make a templated function call taking a. The use of templates can be thought of as compiletime polymorphism. Cordy medha shukla software technology laboratory department of computing and information science queens university kingston, canada k7l 3n6 external technical report 92342 october 1992 telephone. When im learning a new topic i like to start by walking through base case examples.