Practical c++ metaprogramming pdf

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. What are the coolest examples of metaprogramming that youve. Copyright c 20, decorators with args 47 from functools import wraps def debugprefix. It means that a program can be designed to read, generate, analyze or transform other programs, and even modify itself while running. As most simple and instructive example serves the calculation of the factorial of a number at compile time 7. 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. Lilly about his research conducted at the national institute of mental health. A metaprogram is a program that generates or manipulates program code. Practical c programming, 3rd edition by steve oualline 3rd edition august 1997 isbn. This allows computations to be performed once at compile time rather than at each run time. When im learning a new topic i like to start by walking through base case examples. Programming and metaprogramming in the human biocomputer. There is a very good section on lambda expressions, though ive not had the chance to use them yet. Technically metaprogramming is code that writes code.

Pdf c template metaprogramming download full pdf book. 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. Programming and metaprogramming in the human biocomputer all human beings, all persons who reach adulthood in the world today are programmed biocomputers. Template metaprogramming is generally not used in practical programs, it is an interesting conecpt though. That means much faster serialization and more efficient memory usage. Metaprogramming in c is the art of creating new language constructs, typically using macros. Metaprogramming ruby 2 program like the ruby pros ruby inherits characteristics from various languageslisp, smalltalk, c, and perl, to name a few.

Literally, each of us may be our programs, nothing more, nothing less. I assume he was trying to show off the metaprogramming. 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. It features more extensive examples and an introduction to graphical. 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.

Some more complex parts of the code can be seen in fixp. Mos 4465a is an advanced financial ac modern advanced accounting in canada, 8th edition, mcgraw. Programming and metaprogramming in the human biocomputer was written by dr. None of us can escape our own nature as programmable entities. Recently, however, ive faced a problem that could not be solved by the means outlined in the article. However, before you get visions in your mind of robots writing code to take over the world, understand that its actually much less intense. Not of practical usage except maybe for compiler testing, but metatrace is a whittedstyle i. Concepts, tools, and techniques from boost and beyond pdf, epub, docx and torrent then this site is not for you. Therefore, the specialisation for function types doesnt apply, and the primary template is selected. Nowadays, template metaprogramming has found many applications, the. Julia focuses on speed and user productivity, due in part to its metaprogramming capability. 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. The type of int, double, float is an unnamed class type local to main, called the closure type.

All of the examples that were going to go through will be in the ruby language. The output of these templates include compiletime constants, data structures, and complete functions. Work through a list of examples of metaprogramming, including a practical approach to build code that writes code using the ruby programming language. The use of templates can be thought of as compiletime polymorphism. An introduction to metaprogramming for scientific computing dr conrad sanderson senior research scientist version 1.

I chose ruby because it has a flexible metaprogramming interface. Metaprogramming or more specifically, template metaprogramming is the practice of using templates to create constants, functions, or data structures at compiletime. Metaprogramming is a programming technique in which computer programs have the ability to treat other programs as their data. And yet, c template metaprogramming is ideal for performing automatic compiletime optimization. With that in mind were going to follow that pattern in this guide.