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"Abstraction is selective ignorance" —Barbara E. Moo, Andrew R. Koenig in Accelerated C++: Practical Programming by Example, Addison-Wesley, 2000. ISBN 0-201-70353-X (and quoted in Hayles, N. Katherine , My Mother Was a Computer: Digital Subjects and Literary Texts , University of Chicago Press, 2005.
While Alexandrescu didn't invent the technique, he has popularized it among programmers. His book contains solutions to practical problems which C++ programmers may face. Several phrases from the book are now used within the C++ community as generic terms: modern C++ (as opposed to C/C++ style), policy-based design and typelist. [citation needed]
Delayed evaluation solves this problem, and can be implemented in C++ by letting operator+ return an object of an auxiliary type, say VecSum, that represents the unevaluated sum of two Vecs, or a vector with a VecSum, etc. Larger expressions then effectively build expression trees that are evaluated only when assigned to an actual Vec variable ...
In 1989, C++ 2.0 was released, followed by the updated second edition of The C++ Programming Language in 1991. [32] New features in 2.0 included multiple inheritance, abstract classes, static member functions, const member functions, and protected members. In 1990, The Annotated C++ Reference Manual was published. This work became the basis for ...
The C++ Standard Library is based upon conventions introduced by the Standard Template Library (STL), and has been influenced by research in generic programming and developers of the STL such as Alexander Stepanov and Meng Lee. [4] [5] Although the C++ Standard Library and the STL share many features, neither is a strict superset of the other.
In 2004, Abrahams co-authored C++ Template Metaprogramming: Concepts, Tools, and Techniques from Boost and Beyond [7] with Aleksey Gurtovoy. Together with Boost's Metaprogramming Library, the book broke new ground in the practical use of template metaprogramming, including re-implementing much of the Standard Template Library in a compile-time ...
The use of templates as a metaprogramming technique requires two distinct operations: a template must be defined, and a defined template must be instantiated.The generic form of the generated source code is described in the template definition, and when the template is instantiated, the generic form in the template is used to generate a specific set of source code.
In the C++ programming language, decltype is a keyword used to query the type of an expression.Introduced in C++11, its primary intended use is in generic programming, where it is often difficult, or even impossible, to express types that depend on template parameters.